Diagnostic and therapeutic guidelines for plaque psoriasis – Brazilian Society of Dermatology*

An Bras Dermatol. 2019 Mar-Apr; 94(2 Suppl 1): 76–107.
doi: 10.1590/abd1806-4841.2019940211
PMCID: PMC6544036
PMID: 31166402
Marcelo Arnone,1 Maria Denise Fonseca Takahashi,1 André Vicente Esteves de Carvalho,2 Wanderley Marques Bernardo,3 Aline Lopes Bressan,4 Andrea Machado Coelho Ramos,5 Aripuanã Cobério Terena,6 Cacilda da Silva Souza,7 Daniel Holthausen Nunes,8 Maria Cecília de Carvalho Bortoletto,9 Maria de Fátima Santos Paim de Oliveira,10 Jane Marcy Neffá,11 Luciana Cristina Fieri,12 Luna Azulay-Abulafia,13,14 Paulo Antônio Oldani Felix,15 Renata Ferreira Magalhaes,16 Ricardo Romiti,1 and Tatiana Jerez Jaime17

Marcelo Arnone

1 Department of Dermatology, Hospital das Clínicas, School of Medicine, Universidade de São Paulo, São Paulo (SP), Brazil.

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Maria Denise Fonseca Takahashi

1 Department of Dermatology, Hospital das Clínicas, School of Medicine, Universidade de São Paulo, São Paulo (SP), Brazil.

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André Vicente Esteves de Carvalho

2 Center of Psoriasis and Psoriatic Arthritis, Service of Rheumatology, Hospital Moinhos de Vento, Porto Alegre (RS), Brazil.

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Wanderley Marques Bernardo

3 Center of Development of Medical Education, School of Medicine, Universidade de São Paulo, São Paulo (SP), Brazil.

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Aline Lopes Bressan

4 Service of Dermatology, Hospital Universitário Pedro Ernesto, Universidade do Estado do Rio de Janeiro, Rio de Janeiro (RJ), Brazil.

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Andrea Machado Coelho Ramos

5 Service of Dermatology, Hospital das Clínicas, Universidade Federal de Minas Gerais, Belo Horizonte (MG), Brazil.

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Aripuanã Cobério Terena

6 Center of Reference in Phototherapy and Cutaneous Photobiology, Belo Horizonte (MG), Brazil.

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Cacilda da Silva Souza

7 Division of Dermatology, Department of Internal Medicine, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto (SP), Brazil.

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Daniel Holthausen Nunes

8 Service of Dermatology, Hospital Universitário, Universidade Federal de Santa Catarina, Florianópolis (SC), Brazil.

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Maria Cecília de Carvalho Bortoletto

9 Outpatient Department of Dermatology, Faculdade de Medicina do ABC, Santo André (SP), Brazil.

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Maria de Fátima Santos Paim de Oliveira

10 DERMAPP – Dermatology Clinic, Salvador (BA), Brazil.

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Jane Marcy Neffá

11 Department of Medicine, Dermatology Clinic, Universidade Federal Fluminense, Niterói (RJ), Brazil.

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Luciana Cristina Fieri

12 Service of Dermatology, Universidade de Mogi das Cruzes, Mogi das Cruzes (SP), Brazil.

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Luna Azulay-Abulafia

13 Faculty of Medical Sciences, Universidade do Estado do Rio de Janeiro, Rio de Janeiro (RJ), Brazil.

14 Institute of Dermatology Prof R. D. Azulay, Santa Casa de Misericórdia do Rio de Janeiro, Rio de Janeiro (RJ), Brazil.

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Paulo Antônio Oldani Felix

15 Service of Dermatology, Hospital Federal dos Servidores do Estado, Rio de Janeiro (RJ), Brazil.

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Renata Ferreira Magalhaes

16 Department of Internal Medicine, Faculdade de Ciências Médicas, Universidade Estadual de Campinas, Campinas (SP), Brazil.

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Ricardo Romiti

1 Department of Dermatology, Hospital das Clínicas, School of Medicine, Universidade de São Paulo, São Paulo (SP), Brazil.

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Tatiana Jerez Jaime

17 Clínica Jerez Dermatologia, Barueri (SP), Brazil.

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Author information Article notes Copyright and License information Disclaimer
1 Department of Dermatology, Hospital das Clínicas, School of Medicine, Universidade de São Paulo, São Paulo (SP), Brazil.
2 Center of Psoriasis and Psoriatic Arthritis, Service of Rheumatology, Hospital Moinhos de Vento, Porto Alegre (RS), Brazil.
3 Center of Development of Medical Education, School of Medicine, Universidade de São Paulo, São Paulo (SP), Brazil.
4 Service of Dermatology, Hospital Universitário Pedro Ernesto, Universidade do Estado do Rio de Janeiro, Rio de Janeiro (RJ), Brazil.
5 Service of Dermatology, Hospital das Clínicas, Universidade Federal de Minas Gerais, Belo Horizonte (MG), Brazil.
6 Center of Reference in Phototherapy and Cutaneous Photobiology, Belo Horizonte (MG), Brazil.
7 Division of Dermatology, Department of Internal Medicine, Faculdade de Medicina de Ribeirão Preto, Universidade de São Paulo, Ribeirão Preto (SP), Brazil.
8 Service of Dermatology, Hospital Universitário, Universidade Federal de Santa Catarina, Florianópolis (SC), Brazil.
9 Outpatient Department of Dermatology, Faculdade de Medicina do ABC, Santo André (SP), Brazil.
10 DERMAPP – Dermatology Clinic, Salvador (BA), Brazil.
11 Department of Medicine, Dermatology Clinic, Universidade Federal Fluminense, Niterói (RJ), Brazil.
12 Service of Dermatology, Universidade de Mogi das Cruzes, Mogi das Cruzes (SP), Brazil.
13 Faculty of Medical Sciences, Universidade do Estado do Rio de Janeiro, Rio de Janeiro (RJ), Brazil.
14 Institute of Dermatology Prof R. D. Azulay, Santa Casa de Misericórdia do Rio de Janeiro, Rio de Janeiro (RJ), Brazil.
15 Service of Dermatology, Hospital Federal dos Servidores do Estado, Rio de Janeiro (RJ), Brazil.
16 Department of Internal Medicine, Faculdade de Ciências Médicas, Universidade Estadual de Campinas, Campinas (SP), Brazil.
17 Clínica Jerez Dermatologia, Barueri (SP), Brazil.
Mailing address: Marcelo Arnone. E-mail: rb.moc.lou@senonra
Received 2018 Dec 14; Accepted 2019 Jan 28.
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Abstract

Psoriasis is a chronic inflammatory disease that affects 1.3% of the Brazilian population. The most common clinical manifestations are erythematous, scaling lesions that affect both genders and can occur on any anatomical site, preferentially involving the knees, elbows, scalp and genitals. Besides the impact on the quality of life, the systemic nature of the disease makes psoriasis an independent risk factor for cardiovascular disease, especially in young patients with severe disease. By an initiative of the Brazilian Society of Dermatology, dermatologists with renowned clinical experience in the management of psoriasis were invited to form a work group that, in a partnership with the Brazilian Medical Association, dedicated themselves to create the Plaque Psoriasis Diagnostic and Treatment Guidelines. The relevant issues for the diagnosis (evaluation of severity and comorbidities) and treatment of plaque psoriasis were defined. The issues generated a search strategy in the Medline-PubMed database up to July 2018. Subsequently, the answers to the questions of the recommendations were devised, and each reference selected presented the respective level of recommendation and strength of scientific evidence. The final recommendations for making up the final text were worded by the coordinators.

Keywords: Biological therapy, Comorbidity, Dermatology, Practice guidelines as topic, Psoriasis

INTRODUCTION

In an initiative of the Brazilian Society of Dermatology, dermatologists with proven practical experience in the clinical management of psoriasis were invited to be part of a work group which, in partnership with the Brazilian Medical Association, was dedicated to develop the Plaque Psoriasis Diagnostic and Treatment Guidelines. Relevant issues for the diagnosis (assessment of severity and comorbidities) and treatment of Plaque Psoriasis were defined. These issues were structured with the P.I.C.O. strategy (patient; intervention or indicators; comparison; outcome). Such strategies used Medline-PubMed database up to July 2018. The articles selected in the first search strategy were submitted to the critical evaluation of evidences using the Jadad score. Subsequently, answers were drafted to the questions of the Recommendations, with each reference selected demonstrating its respective degree of recommendation and strength of scientific evidence. The final Recommendations were drafted by the coordinators for the development of the final text. Details of the methodology as well as the complete version of these guidelines can be accessed through the link http://diretrizes.amb.org.br/?s=psoriase 1

Grade of recommendation and strength of evidence

  1. Experimental and observational studies of best consistency.

  2. Experimental and observational studies of lower consistency.

  3. Case reports (uncontrolled studies).

  4. Opinion lacking critical evaluation, based in consensus, physiological studies or animal models.

OBJECTIVE

To establish the recommendations for the diagnosis (assessment of severity and comorbidities) and the treatment of plaque psoriasis.

1. TOOLS OF SEVERITY ASSESSMENT

With the aim of evaluating the role of the assessment tools applied to psoriasis patients, a Medline-PubMed database search was conducted, resulting in 984 studies, of which 14 were selected to answer to the clinical question.2-15

What is the role of the assessment tools PASI, BSA, DLQI and PGA for the assessment of severity and therapeutic response of plaque psoriasis?

1.1 PASI

In the PASI (Psoriasis Area Severity Index) score, the evaluator should observe the erythema, thickness, scaling, and the percentage of the area affected of four regions (head/neck, trunk, lower and upper limbs) and calculate the score, which varies from 0 to 72 (B).15

In the evaluation of severity in plaque psoriasis patients, the PASI tool demonstrated adequate content validity and internal consistency and moderate intraobserver variation. Despite some limitations, PASI can be recommended for the scientific evaluation of the severity of plaque psoriasis (B). 16

1.2 PGA

This tool [Physician´s Global Assesment (PGA)] only evaluates the features of the lesion, measuring the degree of erythema, scaling and thickness of psoriasis lesions of the whole body, grading in a six-point scale, ranging from 0 (no lesion) to 6 (severe); however, it does not provide information on the extension of the disease (B).15 It demonstrated adequate content validity, moderate interobserver variation and low intraobserver variation (B).16

1.3 BSA

BSA (Body Surface Area) was defined as the percentage of body area, where 1% corresponds to approximately the palm of the hand of the patient being assessed (B).15 It demonstrated little intraobserver variation, however, an unacceptable interobserver variation for the evaluation of the severity of disease. It is not adequate to define psoriasis severity because it does not assess the intensity of the lesion (B).16

1.4 DLQI

The Dermatology Life Quality Index (DLQI) measures the impact of the skin disease in the quality of life of the patient in the last seven days. It consists of 10 items, six dimensions and one overall summary score. Each question has four alternative answers: “not at all”, “a little”, “a lot” or “very much”, with scores of 0, 1, 2 and 3, respectively. The overall summary score aggregates the score of each item and ranges between 0 (the best score) and 30 (the worst score). (B).10 In plaque psoriasis patients, the DLQI tool demonstrated adequate content validity, construct validity, internal consistency, replicability, acceptability and sensitivity in appropriately detecting changes in the disease (B).4 Due to its briefness and simplicity, it is useful for the clinical practice (B).3

1.5 NAPSI

NAPSI (Nail Psoriasis Severity Index) is used to evaluate the severity of psoriasis in the nail bed and nail matrix. The nail plate is divided into quadrants using an imaginary longitudinal and horizontal lines. The involvement of the nail matrix and nail bed is assessed, and the score ranges from 0 to 8 per nail. The tool is replicable and the analysis is simplified (B).13 Although it has a few limitations (B), the scoring agreement among observers was considered between good to moderate with NAPSI (B).2,9

1.6 PGA X BSA (PGA multiplied by BSA)

The instrument PGA X BSA was calculated multiplying the PGA result by BSA. When associated to BSA, a tool that evaluates the body surface area involved, PGA showed moderate to high correlation with changes in PASI (0.53-0.89) to detect disease severity (B).15 Using PGA x BSA to evaluate the clinical response and define minimal disease activity, the author found a significant correlation with percentage changes in PASI (0.915-0.943; P <.001) and medium correlation compared to DLQI (0.303-0.407; P <.008), independent of the category of baseline PASI score (12-19 or higher than 20) (B).5

1.7 PASI versus DLQI

When the mean percentage of PASI improvement was compared to the mean improvement with DLQI, the value of the correlation coefficient observed was of 0.898 (p<0.01), showing a high correlation between the indexes (Spearman correlation coefficient = 0.87, where the coefficient higher than 1 demonstrates total agreement) (A).11

1.8 PASI versus PGA

The two instruments, PASI and PGA, when used to evaluate the PASI 75 therapeutical response (75% or more reduction in the PASI score) e and PGA zero (no lesion) or 1 (almost no lesion), showed high correlation with each other (p<0.01). PGA and PASI are redundant, and the use of either PASI or PGA only is recommended (A).13 There is a high correlation between those two tools (Spearman correlation coefficient = 0.87), with low intra-evaluator variation for PGA (and high variation for PASI. The inter-evaluator variation was higher with PASI when compared to PGA (B).7

Recommendations:

The instrument PASI is recommended for the evaluation of the severity of the disease and the therapeutical response. The reduction in the PASI score has a good correlation with the clinical improvement seen by the physician and with the improvement of the symptoms reported by the patients.

The instrument DLQI showed a high correlation with PASI in patients with moderate to severe psoriasis, being a useful instrument for the clinical practice due to its briefness and simplicity.

The instrument PGA, when associated to BSA, has a high correlation with the instrument PASI, and is recommended for the evaluation of disease severity. Differently to PASI, PGA has the advantage of not depending of the experience of the evaluator (low intra-evaluator variation).

NAPSI is a simple tool that can be used to evaluate nail psoriasis. It has good to moderate scoring agreement between observers.

2. PREVALENCE OF COMORBIDITIES

Psoriasis is a chronic inflammatory condition that has been associated to a number of comorbidities. With the aim of determining the main comorbidities associated to plaque psoriasis patients, a search was carried out in the Medline-PubMed database, resulting in 873 studies, of which 73 were selected to answer the clinical question.17-89

What are the main comorbidities associated to psoriasis?

2.1 Depression

The prevalence of depression in psoriasis patients in the random effects model is of 16% (CI 95%: 13.2-19.3; Figure 1).

 

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Figure 1

Prevalence of depression in moderate to severe plaque psoriasis patients

2.2 Anxiety

The prevalence of anxiety disorder in psoriasis patients in the random effects model is of 15.4% (CI 95%: 10.6-21.7; Figure 2).

 

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Figure 2

Prevalence of anxiety in moderate to severe plaque psoriasis patients

2.3 Suicide attempt

The prevalence of suicide attempt in psoriasis patients in the random effects model is of 2.9% (CI 95%: 1.4-5.9; Figure 3).

 

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Figure 3

Prevalence of suicide attempt in moderate to severe plaque psoriasis patients

2.4 Asthma or COPD

The prevalence of asthma or chronic obstructive pulmonary disease (COPD) in psoriasis patients in the random effects model is of 2.7% (CI 95%: 1.3-5.5; Figure 4).

 

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Figure 4

Prevalence of Asthma/COPD in moderate to severe plaque psoriasis patients

2.5 Chronic liver disease

The prevalence of chronic liver disease in psoriasis patients in the random effects model is of 0.8% (CI 95%: 0.1-4.9; Figure 5).

 

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Figure 5

Prevalence of chronic liver disease in moderate to severe plaque psoriasis patients

2.6 Nonalcoholic fatty liver disease

The prevalence of nonalcoholic fatty liver disease in psoriasis patients in the random effects model is of 15.3% (CI 95%: 5.8-34.5; Figure 6).

 

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Figure 6

Prevalence of non-alcoholic fatty liver disease in moderate to severe plaque psoriasis patients

2.7 Obesity

The prevalence of obesity in psoriasis patients in the random effects model is of 25.6 (CI 95%: 22.7-28.7; Figure 7).

 

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Figure 7

Prevalence of obesity in moderate to severe plaque psoriasis patients

2.8 Dyslipidemia

The prevalence of dyslipidemia in psoriasis patients in the random effects model is of 20.4% (CI 95%:13.6-29.3; Figure 8).

 

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Figure 8

Prevalence of dyslipidemia in moderate to severe plaque psoriasis patients

2.9 Systemic hypertension

The prevalence of systemic hypertension (SHT) in psoriasis patients in the random effects model is of 26.9% (CI 95%: 21.5-33; Figure 9).

 

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Figure 9

Prevalence of systemic hypertension in moderate to severe plaque psoriasis patients

2.10 Diabetes mellitus

The prevalence of diabetes mellitus (DM) in psoriasis patients in the random effects model is of 11.7% (CI 95%: 8.9-15.2; Figure 10).

 

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Figure 10

Prevalence of diabetes mellitus in moderate to severe plaque psoriasis patients

2.11 Coronary insufficiency

The prevalence of ischemic cardiomyopathy or coronary insufficiency in psoriasis patients in the random effects model is of 3.4% (CI 95%: 2.3-5%; Figure 11).

 

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Figure 11

Prevalence of coronary insufficiency in moderate to severe plaque psoriasis patients

2.12 Inflammatory bowel disease

The prevalence of inflammatory bowel disease in psoriasis patients in the random effects model is of 0.9% (CI 95%: 0.6-1.3; Figure 12).

 

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Figure 12

Prevalence of inflammatory bowel disease in moderate to severe plaque psoriasis patients

2.13 Migraine

The prevalence of migraine in psoriasis patients in the random effects model is of 15.5% (CI 95%: 0.3-84.8; Figure 13).

 

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Figure 13

Prevalence of migraine in moderate to severe plaque psoriasis patients

2.14 Other comorbidities

Other prevalent comorbidities in psoriasis patients were alexithymia; other dermatological conditions such as seborrheic dermatitis, acne, rosacea; pulmonary hypertension; and celiac disease (Table 1).

Table 1

Other comorbidities associated to psoriasis

Study N Comorbidity Prevalence (%)
2016_Sampogna 670 Alexithymia 24.8
2014_Vanaclocha 528 Seborrheicdermatitis 8
2017_Zander 2781 Rosacea 3.4
2017_Zander 2781 Acne 2.1
2017_Choi 13936 Pulmonaryhypertension 1.6
2008_Birkenfeld 12502 Celiac disease 0.29
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Recommendations:

Psychiatric comorbidities, such as depression and anxiety, and the diseases associated to metabolic syndrome, such as obesity, nonalcoholic fatty liver disease, diabetes, systemic hypertension and dyslipidemia stand out among the possible comorbidities associated to psoriasis.

3. TOPICAL TREATMENT

The topical treatment modality is used in clinical practice for all patients with plaque psoriasis, regardless of the severity of the disease. With the aim of establishing the recommendations on the topical treatment of plaque psoriasis, a search was carried out in the Medline-PubMed database, and 29 studies were selected to answer the clinical questions.42,89-116

3.1. What is the efficacy and the risk of topical corticosteroids for the treatment of psoriasis?

Twice-daily application of 0.05% clobetasol propionate spray or placebo for four weeks, in placebo-controlled studies, showed improvement of psoriasis lesions after four weeks [Number Needed to Treat (NNT=2)], with significant response in the intervention group already on the first week of treatment (p<0.001). Local burning sensation was observed in similar rates to the placebo group. No serious adverse event was reported89 (A)101 (A).

In a study that evaluated clobetasol propionate lotion, cream or its vehicle, the use of lotion and cream showed significant and similar improvement (p<0.001). There was a reduction of lesions in 55% of patients using clobetasol propionate in both groups of active treatment (NNT=2) on the fourth week. Three patients of each treatment group with the active ingredient reported telangiectases, and four patients in the group using clobetasol cream reported mild to moderate skin atrophy (A).92

The use of 0.05% clobetasol propionate foam for two weeks was more effective than placebo (vehicle with no active ingredient), with improvement ranging from 47% to 22% (placebo) of patients reaching PGA score 0 or 1 (p<0.0001, NNT=3). The most common adverse event was burning sensation on the area of application (5% of the patients in the intervention group and 7% of the comparison group). There were no severe side effects, (A).97,108

The use of betamethasone valerate (BMV) on one side of the body and placebo on the other side, twice daily for 12 weeks lead to at least 50% improvement against 24% in the placebo group (NNT= 4). Adverse events were limited, being burning sensation and pruritus the most common (A).114 When the investigator’s global assessment is used for completely clear or almost clear lesions, there is a 64% reduction (p<0.0001, NNT=2) for the use of clobetasol propionate foam and 57% reduction (p<0.0001, NNT=2) for the use of clobetasol propionate solution when compared to their corresponding vehicles on the scalp. The percentage of patients that reported adverse events was not significantly different among the comparison groups (A).96

The safety and efficacy of 0.005% fluticasone propionate ointment for four weeks was evaluated, in comparison with its vehicle. There was significantly more improvement in the intervention group (p<0.0001) measured by PGA 0/1 between 29.4% (NNT=4) and 36% (NNT=3). The adverse events were mild to moderate, the most common being burning sensation and pruritus on the area of application, which occurred in 6% of patients, both in the intervention and the comparison group (A).109

In the comparison between 0.05% betamethasone propionate ointment, its ointment vehicle and 0.05% diflorasone diacetate ointment, the group using betamethasone showed a faster improvement, seen already on the first week of treatment, with significant difference in relation to the group using diflorasone or to the control group (p=0.01). The improvement seen was maintained on the third week. The adverse events were minimal (A).105

Recommendations:

In plaque psoriasis, the use of the topical corticosteroids clobetasol propionate, betamethasone valerate and fluticasone propionate, proved to be significantly effective in improving signs and symptoms of erythema, scaling, thickness of the plaque and pruritus, besides the significant improvement in the evaluation of the physician or the patient regarding clearance of the lesions. The most frequent adverse events were burning sensation and stinging on the area of application, both with the active ingredient and the placebo, with no significant difference among the comparison groups.

3.2 What is the efficacy and risk of tar derivatives (coal tar and liquor carbonis detergens – LCD) for the treatment of psoriasis?

The use of 2% dithranol ointment, for one minute, once daily, associated to UVB phototherapy, resulted in significant clearance measured by the physician and the patient after eight weeks, except for pruritus (p=0.004). The adverse event reported during the study was skin irritation on the area of application (A).42

Recommendations:

Of the tar derivatives, only dithranol (associated to phototherapy) showed significant efficacy in the improvement of erythema, scaling and thickness of psoriasis plaques, not being effective for the improvement of pruritus. The adverse event observed with dithranol was local skin irritation.

There are no evidences that allow for the recommendation of coal tar and Liquor Carbonis Detergens for the treatment of Plaque Psoriasis.

3.3 What is the efficacy and risk of topical calcineurin inhibitors for the treatment of psoriasis?

The use of 6% salicylic acid gel associated to 0.1% tacrolimus ointment twice daily, on one side of the body, compared to 6% salicylic acid gel associated to placebo on the other side, lead to an improvement in the pruritus, erythema and scaling on weeks 1, 2 and 8 (p<0.05), as well as a significant improvement in the global assessment of the disease in week 8, except for the evaluation of erythema (A).90,90 In a study that evaluated twice-daily 0.005% calcipotriol ointment or once-daily 0.3% tacrolimus ointment or placebo, there was no significant reduction in PASI with the use of topical tacrolimus in relation to placebo (p=0.77) (A).116

Recommendations:

Regarding the topical use of calcineurin inhibitors, tacrolimus does not show significant improvement in PASI reduction. However, in an evaluation eight weeks after starting the application, it proved to be effective for the improvement of pruritus, erythema and scaling of psoriatic plaques. When using the global assessment index from 0 to 5 points, there is no significant improvement in the erythema with the use of tacrolimus. There is no response evaluation after eight weeks of follow-up.

3.4 What is the efficacy and the risk of vitamin D analogues for the treatment of psoriasis?

Calcipotriol ointment at 0.05% significantly improved lesions compared to the control group (p<0.001) (A), however, the active ingredient in a cream, in the same concentration did not show improvement when compared to placebo (p=0.12).112

In the physician’s global assessment there is also a statistically significant difference between treatments, favoring twice-daily 0.005% calcipotriol, since the first week (p<0.001), which was maintained after the eighth week of treatment (A).100

The use of twice-daily 50µg/mg calcipotriol ointment for four weeks on one side of the body showed improvement in the efficacy evaluation with PASI at two weeks (19.8%, p<0.001, NNT=5), as well as at four weeks (23.2%, p<0.001, NNT=5) (A).94

In the investigator’s global assessment, 56%, 22% and 22% of patients using twice-daily 50µg/mg calcipotriol ointment for eight weeks showed moderate or marked improvement or clearance, respectively (p<0.004) (A). 104

When evaluating the use of 0.005% calcipotriol foam according to the PGA, between 7% (p=0.058, NNT=15) and 11% (p=0.016, NNT=9) of patients achieved PGA 0/1 for the intervention group in the study. The adverse events were reported in 1 to 2 % of patients (irritation, erythema, or pruritus on the area of application) (A).95

When compared to placebo, the use of 3 µg/g calcitriol showed difference between 11.9% (p=0.05, NNT=9) and 21% (p<0.01, NNT=5) in the physician’s global assessment. The adverse events reported were mild, and included discomfort, pruritus or erythema (A).107

The efficacy evaluation of 15 µg/g calcitriol according to the PASI score, showed there was a significant difference of response of 81% favoring topical treatment with calcitriol after two months of follow-up (NNT=2). Nonetheless, in the control group, 83.3% did not show any changes in the lesions and 1.2% had worsening (A). 111

Regarding PGA, when 15µg/g calcitriol was evaluated on one side of the body and its vehicle on the other side, there was a significant difference between the treatments on both sides of the body from the first week (p=0.0004), which was maintained after the sixth week (p=0.002), favoring calcitriol use (NNT=3) (A).106

Recommendations:

Vitamin D analogues, 50 µg/g calcipotriol ointment, 0.005% calcipotriol foam and 6µg/g calcitriol, were shown to be effective for the topical treatment of plaque psoriasis in a period of 4 to 16 weeks for the analysis of clinical features like erythema, scaling and plaque thickness, and for PASI and the investigator’s or patient’s global assessment. This class of drugs proved to be safe, since most side effects are mild and related to reactions on the areas of application such as erythema, pruritus and burning sensation.

3.5 What is the advantage of using the combination betamethasone + calcipotriol and the advantage in relation to topical corticosteroids for the treatment of psoriasis?

The comparison between 50µg/g calcipotriol associated to 0.5mg/g betamethasone, or 50µg/g calcipotriol alone, or 0.5mg/g betamethasone alone, when the SUM score is used (it evaluates erythema, thickness and scaling in the lesion), demonstrates that the mean percentage of score reduction in four weeks is of 61% for the combination of drugs, 32% for calcipotriol alone and 41% for betamethasone alone; on the sixth week, this reduction was of 58%, 45% and 56%, respectively (A).115

When the difference in PASI change (in percentage) between the combination of drugs compared to betamethasone alone was evaluated, the result was 10.3% (CI95% 5.8% to 14.7%, p<0.001, NNT=10). (A).110 If the mean PASI difference is evaluated in points during the treatment, the result was -13.1 for the intervention group (CI95% -16.9 to -9.3, p<0.001) in one study (A) and -14.2 for the intervention group (CI95% -17.6 to -10.8, p<0.001) in another (A) in up to eight weeks.93,102 Side effects were mild and comparable between the groups analyzed (A).93,102

Recommendations:

In plaque psoriasis lesions, the use of calcipotriol associated to topical betamethasone shows statistically significant improvement in comparison to the use of the topical corticosteroid alone, in a period of assessment of 4 to 8 weeks, regarding the evaluation with the PASI score.

3.6. What is the advantage of the use of the combination of betamethasone + calcipotriol and the advantage in relation to calcipotriol alone for the treatment of psoriasis?

When 50µg/g calcipotriol ointment, 50µg/g calcipotriol cream, 50µg/g calcipotriol associated to 0.5mg/g betamethasone dipropionate ointment, the same association in gel and 25µg/g calcipotriol associated to 10mg/g hydrocortisone for up to 21 days were evaluated, there was a statistically significant difference between the use of calcipotriol associated to betamethasone compared to the use of calcipotriol alone, considering erythema, scaling and thickness of psoriatic lesions (A).112

When evaluated with the SUM score, there is a statistically significant difference in the three variables analyzed on the fourth and sixth weeks (p<0.001) favoring the use of the combination of drugs. The mean percentage of reduction on the fourth week was of 61% for the use of the combination of drugs, 32% for calcipotriol alone and 41% for betamethasone alone; on the sixth week, this reduction was of 58%, 45% and 56% respectively (A).115 In the evaluation of the mean reduction in PASI, this was of 6.99 for the intervention group and 5.04 for the comparison group (A).113 The evaluation of the PASI reduction in eight weeks showed 73.3% reduction of the mean PASI percentage for the compound twice daily, 68.2% for the combination for four weeks, followed by calcipotriol alone for four more weeks and 64.1% for calcipotriol alone (A).103 The difference in the mean reduction of the thickness of the lesions at the end of the treatment ranged from 16.3% (CI95% 11.5 to 21, p<0.001 NNT=7) (A) to 25.2% favoring the combination of drugs (CI95% 20.1 to 30.1, p<0.001, NNT=4) (110) (A).93 In regards to the number of daily applications, there was no difference between once-or twice-daily application in efficacy measurements, being the combination calcipotriol/betamethasone always superior in comparison to calcipotriol alone. The most common adverse events were local and mild, with pruritus being the most frequent (A).98

Recommendations:

The use of calcipotriol associated to topical betamethasone demonstrates a statistically significant improvement in relation to the use of topical calcipotriol alone for plaque psoriasis lesions in the period of 2 to 8 weeks of evaluation.

4. PHOTOTHERAPY

With the aim of establishing the recommendations on the efficacy and safety of phototherapy for plaque psoriasis, a search was carried out in the Medline-PubMed database, resulting in 436 studies, with 09 selected to answer the clinical questions.

4.1 What is the efficacy and risk of phototherapy for the treatment of psoriasis?

In the evaluation of the treatment of plaque psoriasis with the concurrent use of narrowband ultraviolet B (NB-UVB) phototherapy and fumaric acid esters and the use of fumaric acid esters alone, it was observed that the NB-UVB combined treatment led to a higher median reduction in the PASI score in six weeks of treatment, when compared to the use of fumaric acid alone (p=0.016), therefore, with a higher positive impact in the quality of life (p=0.031) and less side effects (A).117

In a study that compared NB-UVB phototherapy, the association of NB-UVB with methotrexate and methotrexate alone, there was no difference in the concurrent use of methotrexate (MTX) regarding clearance of lesions. The rates observed were of 94.74% with NB-UVB and MTX, 92.11% with NB-UVB alone, and 89.19% of those with only MTX, (p=0.674)) (A).118

The association of NB-UVB phototherapy and etanercept also showed better results than therapy with etanercept only (best result showing a difference of patients achieving PASI 90 of 39.5% (p=0.018, NNT=3)) (A).119,120 The association of phototherapy to adalimumab also significantly accelerated and improved resolution of lesions, assessed by the PASI adapted for half of the body, with a 33% reduction of the PASI in the sixth week (NNT=3) (B).121

Adding calcipotriol to the NB-UVB phototherapy regime lead to a significant improvement (p<0.001) in week 12 when compared to NB-UVB alone or twice-daily calcipotriol only (A).122 Only one study did not show difference between the application of the topical active ingredient alone and the same application associated to phototherapy (A).123

In patients with palmoplantar plaque psoriasis, the use of PUVA (psoralen + ultraviolet A) phototherapy yielded better lesion resolution when evaluated according to complete or partial improvement of lesions (>50% improvement or <50% improvement). More people achieved complete response with PUVA (UVB group: 30%; PUVA group: 42%; p<0.001). More people achieved partial response with PUVA and the absence of response was lower for PUVA (p<0.001), however, more adverse events were observed with PUVA, albeit mild (p=0.04) (B).124

Recommendations:

Phototherapy with PUVA or UVB, associated or not to other treatments such as etanercept, adalimumab, methotrexate, fumaric acid esters and calcipotriol ointment, accelerates the process of improvement of psoriasis, in evaluations with 6 and 16 weeks of follow-up, with significant reduction in PASI compared to these treatments alone.

4.2 What are the advantages and disadvantages of NB-UVB in relation to PUVA?

A study proved NB-UVB to be superior to PUVA for plaque psoriasis, with 75% of achieving complete resolution in the NB-UVB versus 54% in the PUVA group. There was no significant difference between the groups regarding time for remission, neither in the number of adverse events (A).125 When comparing NB-UVB with the use of UVA associated to trisoralen, there was a median PASI reduction in 32% favoring UVB phototherapy (p<0.001, NNT=3) (A). 126

A study showed that, in patients with skin phototype I to IV, PUVA was significantly more effective than NB-UVB regarding response to resolution (84% vs. 65%, p=0.02, NNT=6), but with more side effects and longer treatment time for clearance of lesions (A).127 Another similar study showed that clearance of psoriasis lesions was achieved in a significantly higher proportion of patients treated with PUVA (84%) compared to those treated with NB-UVB (63%) (CI95%, 1.18 to 7.84, p=0.018, NNT=5), but at the expense of more side effects (A).128 When PASI median was evaluated, treatment with PUVA showed a significantly higher reduction in PASI median than in the NB-UVB group (26.72%, CI 95%, p=0.005, NNT=4) (A).129 The index of resolution with NB-UVB was of 80% in patients pre-treated with topical retinoids, compared to a 90% index in patients pre-treated with topical retinoids that were submitted to NB-UVB, and an index of 100% in patients using PUVA ant topical retinoids concomitantly (A).129 The association of etretinate and PUVA lead to 100% of complete improvement in a study, while the association of the medication with NB-UVB improved 80% of patients.130 When the combined treatment of phototherapy and acitretin was analyzed, psoriasis clearance was seen in 56.6% of patients treated with NB-UVB and in 63.3% of patients treated with PUVA (A).131

In other studies, no difference in improvement as measured by PASI was observed between the use of NB-UVB and PUVA in the treatment of plaque psoriasis, (A), but there seems to be a higher frequency of side effects in patients using PUVA (A).132,133

Evaluating a 0 to 4 index similar to PGA for the treatment of palmoplantar psoriasis, a higher percentage in the reduction of the index with PUVA (85.45%) was observed, rather than with NB-UVB (61.08%-p=0.0001) (A).134

Recommendations:

In the efficacy comparison between NB-UVB and PUVA, most studies demonstrate a higher efficacy of PUVA in relation to NB-UVB in the evaluation of up to 3 months of treatment, although there is evidence that NB-UVB can occasionally be superior. The mean number of necessary treatments for clearance of the lesions was also significantly lower in patients undergoing PUVA, compared to patients undergoing UVB. The most frequent adverse events in all treatments were mucocutaneous xerosis, erythema, pruritus and nausea, most of the times mild, not interfering with the treatments.

5. CLASSIC SYSTEMIC TREATMENT

With the aim of establishing recommendations on the classic treatment for plaque psoriasis (acitretin, methotrexate and cyclosporine), a search was carried out using the Medline-PubMed database and the best scientific evidences were selected to answer the clinical questions.

5.1 What is the efficacy and risk of methotrexate in the systemic treatment of psoriasis?

Patients diagnosed with plaque psoriasis (n=120) were treated with methotrexate 17.5mg SC once weekly or placebo injections in the first 16 weeks of the study (phase 1). In the second phase of the study (weeks 16 to 52), all patients were treated with methotrexate. In week 16, PASI 75 response was obtained in 37 (41%) patients of the methotrexate group compared to three (10%) patients in the placebo group (RR 3.93 CI95% 1.31-11.81; p=0.0026). The PGA response ‘clear’ (0) or ‘almost clear’ (1) occurred in 25 (27%) patients treated with methotrexate in the evaluation at 16 weeks compared to two (7%) patients receiving placebo; 16 (18%) versus no patient, respectively, showed PASI 90 response. (A).135

A double-blind, randomized study evaluated the efficacy of 7.5 to 25mg of oral methotrexate (110 patients), compared to adalimumab 80mg SC as induction and maintenance with 40mg SC fortnightly (108 patients) and placebo (53 patients). After 16 weeks of follow-up, 79.6% of patients treated with adalimumab reached PASI 75, compared to 35.5% for the group of patients treated with methotrexate (p<0.001 vs. adalimumab) and 18.9% for the group treated with placebo (p<0.001 vs. adalimumab – NNT=2 and p<0.05 vs. methotrexate – NNT=6). There was a statistically significant improvement in the complete resolution of lesions (PASI 100) in the patients treated with adalimumab (16.7%) in relation to patients treated with methotrexate (7.3%) or in patients treated with placebo (1.9%). Regarding adverse events, there was no statistically significant difference between the groups for infections, moderate to severe adverse events and adverse events related to the drugs. More adverse events lead to discontinuation of the study in the methotrexate group, mainly due to the events related to liver dysfunction. (A).136,137

Recommendations:

In the treatment of moderate to severe psoriasis with methotrexate, there is significant PASI reduction in relation to baseline at 2, 4 and 6 months of evaluation when compared to placebo, with a number necessary to treat varying from 3 to 6 patients. The most frequent adverse events are nausea, vomiting and abnormalities in transaminases.

5.2 What is the efficacy and risk of acitretin in the systemic treatment of psoriasis?

A randomized, double-blind study evaluated the efficacy and safety of oral acitretin in the treatment of moderate to severe plaque psoriasis, in three treatment groups with different doses: 25mg, 35mg or 50mg/day. Clinical improvement was observed in all groups with PASI 75 response at week 12. The mean PASI dropped 76% in the 35mg group after 12 weeks of treatment, this difference was statistically significant compared to the 25mg and 50mg groups (p<0.05). In the evaluation at 12 weeks of treatment, PASI 75 response was achieved in 47%, 69% and 53% patients in the 25, 35 and 50mg/day acitretin groups, respectively. Most adverse events were mucocutaneous, mild to moderate and dose-dependent (A).138

In another study, patients with moderate to severe plaque psoriasis were randomized to the following doses of acitretin: eight patients using 10mg to 25mg per day, or 16 patients using 50mg to 75mg per day. Patients treated with acitretin doses of 50 to 75mg per day showed a significant therapeutical response (p<0.05) in the evaluation at eight weeks. More adverse events occurred in patients receiving the dose of 25mg per day or more of acitretin, but usually mild and with no need to discontinue the treatment(A).139

Recommendations:

In patients with moderate to severe plaque psoriasis, the use of doses of acitretin of 35 to 75mg per day showed significant improvement, evaluated by the PASI response. The most frequently observed adverse events are cheilitis, scaling of palmoplantar regions and alopecia, however, the need to discontinue the treatment was rare.

5.3 What is the efficacy and risk of cyclosporine in the systemic treatment of psoriasis?

Patients with moderate to severe plaque psoriasis in remission after treatment with continuous cyclosporine during eight to 16 weeks were evaluated, with 162 receiving oral cyclosporine 5mg/ kg/day for two consecutive days on the weekend and 81 patients receiving placebo, in the same dosing regimen. The primary end point was a rate of clinical success in 24 weeks, as defined by the absence of relapse or PASI 75 response (in comparison to the PASI precyclosporine treatment). There was no statistically significant difference in the rates of clinical success in the evaluation at 24 weeks between the comparison groups (66.9% in the cyclosporine group versus 53.2% in the placebo group, p=0.072). The time frame till the first relapse was significantly longer in the group using cyclosporine (p=0.023). Cyclosporine was well tolerated, with no differences regarding renal function and blood pressure among those receiving the active drug or placebo (A).140

A study evaluated the efficacy and safety of cyclosporine for the treatment of severe psoriasis (PASI ≥ 18), in two different dosing regimens: 2.5mg/kg/day and 5mg/kg/day. The mean PASI score reduction at the end of the induction phase was 69% in the 2.5mg/kg/ day group and 89% in the 5mg/kg/day group (p=0.0001, NNT=5). Eighty-six percent of patients described some adverse event during the treatment period (for up to 21 months), most of them mild to moderate. The most frequent events were systemic hypertension, hirsutism/hypertrichosis, headache, paresthesia, nausea, abdominal discomfort, flu-like symptoms, fatigue, tremor, edema and renal abnormalities. The severe adverse events reported were the development of malignancies in eight patients (of those, four were skin cancers) and two patients had myocardial infarction (A).141

In another study, the efficacy and safety of cyclosporine for the treatment of moderate to severe plaque psoriasis was evaluated in two different dosing regimens. One of the groups initially received cyclosporine 1.25mg/kg/day, increasing to 2.5mg/kg/day or 5mg/kg/day in cases where there was no PASI reduction of 10% in two weeks or 30% in six weeks. Another group for comparison received cyclosporine 2.5mg/kg/day, increasing to 5mg/kg/day in the cases where there was no PASI reduction of 10% in two weeks or 30% in six weeks. After 12 weeks of treatment, 18% of patients with the initial dose of 1.25mg/kg/day and 56% of patients with the initial dose of 2.5mg/kg/day showed a PASI 75 response. The most frequent adverse events were gastrointestinal abnormalities and viral infections (B).142

Recommendations:

The use of cyclosporine in moderate to severe plaque psoriasis demonstrates significant improvement evaluated by the PASI response, with the best responses obtained with the dose of 5mg/ kg/day. The most important severe adverse events were reported in long treatments (21 months), encompassing malignancies and systemic hypertension. For those patients who showed an adequate therapeutic response in up to 16 weeks, maintenance treatment with administration of cyclosporine on weekends proved to safely and effectively prolong maintenance of the therapeutic response.

6. TREATMENT WITH IMMUNOBIOLOGICS

With the aim of establishing the recommendations on the treatment of psoriasis with immunobiologics, questions regarding indication, efficacy and safety of these medications were structured. A search was carried out in Medline-PubMed database and the best scientific evidences were selected to answer the clinical questions. This search encompassed all immunobiologics approved in Brazil for the treatment of plaque psoriasis: adalimumab, etanercept, infliximab, ustekinumab, secukinumab, ixekizumab and guselkumab.

6.1 In which conditions is the treatment with immunobiologics indicated?

The indications for the use of immunobiologics in patients older than 18 years of age, with moderate to severe plaque psoriasis, with PASI score above 10 to 12 or involvement of more than 10% of body surface area are:

  • Patients that did not respond to the treatment or have contraindications or intolerance to the adequate dose and course of at least one of the systemic drugs or phototherapy (A).6,12,136,137,143-173

  • Less than 50% improvement in the baseline PASI or less than 75% improvement in the baseline PASI associated to a significant impact of the disease on the quality of life as measured by the DLQI (Dermatology Life Quality Index) >=10 is considered therapeutic failure.

Some groups of patients with moderate to severe plaque psoriasis were not studied for the treatment with immunobiologics (A).6,12,136,137,143-173

  • Patients with infections associated to the use of antibiotics in the last week prior to the beginning of the study;

  • Patients with other associated skin conditions, besides guttate, erythrodermic or pustular psoriasis;

  • Patients with hematologic, renal and/or liver abnormalities;

  • Patients with history of cancer of any etiology in the last five years;

  • Treatment with PUVA in the four previous weeks or topical steroids, vitamin A or D analogues, dithranol or UVB phototherapy in the two previous weeks; or use of any immunobiologic or anti-TNF antibody at any time before the beginning of the study;

  • Patients who are pregnant or planning pregnancy.

Recommendations:

The indications for the use of immunobiologic drugs in patients older than 18 years of age, with moderate to severe plaque psoriasis, with PASI score above 10 or body surface area involvement higher than 10% are: the lack of response to systemic treatment or phototherapy, contraindications or intolerance to the adequate dose and course of at least one of the systemic treatments.

6.2 What is the efficacy and risk of etanercept for the treatment of psoriasis?

Recommendations:

The treatment with etanercept for moderate to severe plaque psoriasis, for the period of 12 weeks, was effective and safe with the evaluation of the PASI 75 response (Table 2). The adverse events presented were mild to moderate, mainly of reactions on the site of injection. The best responses occurred in patients using 50mg twice weekly. PASI 75 response rates in 12 weeks in the different regimens ranged from10-28% with the dose of 25 mg once weekly; 26-39% in the dose of 25mg twice weekly; and 35-54%, in the dose of 50 mg twice weekly.144,149,151,152,155,158,162,167

Table 2

Evaluation of etanercept expressed by the benefit estimated in percentage

Author Dose (mg/week) Time of follow-up PASI 50 (%) PASI 75 (%) PASI 90 (%) PGA (%) DLQI (%)
Bagel J (144) 100 12 weeks 78 54 23
Gottlieb AB (151) 50 12 weeks 39.6 29.5
Van de Kerkhof PCM (155) 50 12 weeks 37.5 38.5 49.2
Krueger (158) 50 12 weeks 46
Feldman ST (149) 25 12 weeks 22
Feldman ST (149) 50 12 weeks 26
Feldman ST (149) 100 12 weeks 35
Papp KA (167) 50 12 weeks 55 29 10 35
Papp KA (167) 100 12 weeks 68 43 20 53
Gottlieb AB (152) 25 12 weeks 28
Leonardi CL (162) 25 12 weeks 27 10 18
Leonardi CL (162) 50 12 weeks 44 30 11 29
Leonardi CL (162) 100 12 weeks 60 45 21 44
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6.3 What is the efficacy and risk of infliximab for the treatment of psoriasis?

Recommendations:

The induction treatment with infliximab in moderate to severe plaque psoriasis for the period of 10 weeks, was effective with the evaluation of the PASI 75 response (65.8-79.6%) and improvement in quality of life with the DLQI score (8.9 to 9.9%), besides being safe, com few mild to moderate side effects reported, mainly infusion reactions, with the doses of 3mg/kg, 5mg/kg or 10mg/kg, on weeks 0, 2 and 6 (Table 3).6,12,146,148

Table 3

Evaluation of infliximab expressed by the benefit estimated in percentage

Author Dose Time of follow-up PASI 50 (%) PASI 75 (%) PASI 90 (%) PGA (%) DLQI (%)
Feldman ST (148) 3mg/kg 10 weeks 8.9
Feldman ST (148) 5mg/kg 10 weeks 9.9
Reich K (12) 5mg/kg 10 weeks 79.6 55.8 9.9
Gottlieb AB (6) 3mg/kg 10 weeks 62.2 65.8 45.5 61.9
Gottlieb AB (6) 5mg/kg 10 weeks 75.4 82 55.6 80.1
Chaudhari U (146) 5mg/kg 10 weeks 63.6
Chaudhari U (146) 10mg/kg 10 weeks 54.5
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6.4 What is the efficacy and risk of adalimumab for the treatment of psoriasis?

Recommendations:

The treatment of moderate to severe plaque psoriasis with adalimumab, during 12 to 16 weeks, was effective with the evaluation of the PASI 75 response and improvement in quality of life with the DLQI score (49-81%), in the following therapeutic regimen: 40 mg every two weeks (PASI 75 57.9-79.6%, PASI 90 43%, PASI 100 16.7-19% and PGA 80.5%); 80 mg in week 0 followed by 40 mg every two weeks (PASI 75 62.8%); and 80 mg every two weeks (PASI 75 81%); besides being safe, with the report of few mild to moderate adverse events (Table 4).136,137,143,145,150,170

Table 4

Evaluation of adalimumab expressed by the benefit estimated in percentage

Author Dose (mg/sem) Time of follow-up PASI 50 (%) PASI 75 (%) PASI 90 (%) PASI 100 (%) PGA (%)
Cai L (145) 40 + 80 12 weeks 77.8 80.5
Reich K (136) 80 + 40 16 weeks 79.6 16.7
Revicki D (170) 80 + 40 16 weeks 64 43 19
Asahina A (143) 40 every 2 weeks 16 weeks 57.9
Asashina A (143) 0 every 2 weeks + 40 from week 2 16 weeks 62.8
Asashina A (143) 80 every 2 weeks 16 weeks 81
Gordon KB (150) 80 + 40 from week 1 12 weeks 49
Gordon KB (150) 80 + 40 from week 2 12 weeks 76
Saurat JH (137) 80 + 40 from week 2 16 weeks 79.6
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6.5 What is the efficacy and risk of ustekinumab for the treatment of psoriasis?

Recommendations:

the studies conducted in the evaluation of the efficacy and safety of ustekinumab for moderate to severe plaque psoriasis showed improvement evaluated by the PASI 75 response (52.9-76.5% for 45mg and 61.2-78.6% for 90mg) and in the quality of life with the DLQI score (46.4-58.1%), besides mild to moderate adverse events, upon analysis of a period of 12 weeks (Table 5).157,166,169,174-177 When compared to etanercept, ustekinumab in the 45 and 90mg doses was superior when PASI 75 and PGA 0/1 were evaluated in 12 weeks of follow-up. After this period, although studies have performed a crossover, the treatment with ustekinumab for up to five years was safe and effective after dose adjustment.

Table 5

Evaluation of ustekinumab expressed by the benefit estimated in percentage

Author Dose (mg) Time of follow-up (weeks) PASI 50 (%) PASI 75 (%) PASI 90 (%) PASI 100 (%) PGA(%) DLQI(%)
Langley RG (174) 45 244 weeks 76.5 50
Langley RG (174) 90 244 weeks 78.6 55.5
Kimball AB (157) 45 12 weeks 47.2
Kimball AB (157) Reich K (169) 90 12 weeks 46.4
Papp KA (175) 45 12 weeks 73 63 41.6 18.1 72.6 48.9
Reich K (169) 90 12 weeks 78.7 72 50.2 18.2 71.4 54.6
Nakagawa H (166) Nakagawa H (166) 45 12 weeks 69.9 52.9 29.6 58.1
Igarashi A (176) 90 12 weeks 71 61.2 40.3 54.1
Tsai TF (177) 45 12 weeks 62.2 62.2
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6.6 What is the efficacy and risk of guselkumab for the treatment of psoriasis?

Recommendations:

the studies on the evaluation of efficacy and safety of guselkumab for moderate to severe plaque psoriasis showed improvement in 16 weeks, evaluated by the PASI 90 response (50mg of 70.8% and 100mg of 69.8-73.3%) and PGA (0/1) (Table 6).178,179 Mild to moderate adverse events occurred in the analysis during a period of 36 weeks. When compared to adalimumab, guselkumab (100mg) was superior to adalimumab (80 and 40mg) in the PGA and PASI 90 response.

Table 6

Evaluation of guselkumab expressed by the benefit estimated in percentage

Author Dose Time of follow-up PASI 75 (%) PASI 90 (%) PGA (%)
Ohtsuki M (178) 50mg 16 weeks 89.2 70.8 92.3
Ohtsuki M (178) 100mg 16 weeks 84.1 69.8 88.9
Blauvelt A (179) 100mg 16 weeks 73.3 85.1
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6.7 What is the efficacy and risk of ixekizumab for the treatment of psoriasis?

Recommendations:

the studies performed for the evaluation of the efficacy and safety of ixekizumab for the treatment of moderate to severe plaque psoriasis showed improvement evidenced by the PASI 75 (90-93.4%), PASI 90 (79.7%), PASI 100 (56.3%) and PGA (57-81.9%) responses (Table 7).180,181 When compared to etanercept, the results of ixekizumab used in doses every two or four weeks were significantly better for the outcomes PASI 75, PASI 90, PASI 100 and PGA 0/1. Mild to moderate adverse events were observed in the analysis of a period of 96 weeks, that did not require discontinuation of treatment.

Table 7

Evaluation of ixequizumab expressed by the benefit estimated in percentage

Author Dose (mg) Time of follow-up PASI 75 (%) PASI 90 (%) PASI 100 (%) PGA (%)
Blauvelt A (180) 80 every 4 weeks 12 weeks 93.4 79.7 56.3 57.0
Leonardi C (181)
Blauvelt A (180) 80 every 2 weeks 60 weeks 90 81.9
Leonardi C (181)
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6.8 What is the efficacy and risk of secukinumab for the treatment of psoriasis?

Recommendations:

the studies conducted in the evaluation of the efficacy and safety of secukinumab for moderate to severe plaque psoriasis showed improvement evaluated by the PASI 75 response (77.1-81.6% for 300mg and 67.0-71.6% for 150mg) and PGA 0 or 1, and maintenance of quality of life (DLQI) with the use for up to three years, with the best results achieved with the weekly dose of 300 mg in the first four weeks of treatment, followed by 300mg every four weeks (Table 8).159,182 It was superior when compared to etanercept, evidenced by better results in the response rates for PASI 90 and PASI 100 in 12 weeks (54.2% vs. 20.7% and 24.1 vs. 4.3%, respectively).

Table 8

Evaluation of secukinumab expressed by the benefit estimated in percentage

Author Dose (mg) Time of follow-up PASI 75 (%) PASI 90 (%) PASI 100 (%)
Bissonnette R (182) 300/ 150 3 years 63.8 42.6
Langley RG (159) 300 12 weeks 81.6
Langley RG (159) 150 12 weeks 71.6
Langley RG (159) 300 12 weeks 77.1
Langley RG (159) 150 12 weeks 67.0
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6.9 Is there a difference of safety and efficacy between immunobiologic treatments?

In the comparison between ustekinumab (UST) and etanercept, there was a significant improvement for PASI 75 for the use of UST 45mg in relation to etanercept in 10.7% (CI95% 2.4 to 19, p=0.001, NNT=10) and for the use of UST 90mg in relation to etanercept in 17% (CI95% 10 to 24, p<0.001, NNT=6). For PASI 90, the benefit was of 13.3% for UST 45mg in relation to etanercept (CI95% 5.8 to 20.7, p<0.001, NNT=8) and of 21.6% for the use of UST 90mg in relation to etanercept (CI95% 14.6 to 28.5, p<0.001, NNT=5). In the evaluation with PGA score regarding resolution of the lesions, the benefit was of 16.1% for UST 45mg in relation to etanercept (CI95% 7.6 to 24.2, p<0.001, NNT=7) and of 21.6% for the use of UST 90mg in relation to etanercept (CI95% 14.4 to 28.6, p<0.001, NNT=5) (A).183

In a comparative study with certolizumab pegol, CZP 400 mg was superior (NNT=19, p<0.0001) on week 12 to etanercept for the PASI 75 response rate. (184) (A).

Evaluating the response measured with PGA and PASI90, guselkumab was superior to adalimumab in PGA 0/1 (NNT=6, p<0.001) and PASI 90 (NNT=5, p<0.001) on week 16 (85.1% vs 65.9% and 73.3% vs 49.7%); on week 24 (84.2% vs 61.7% (NNT=5, p<0.001) and 80.2% vs 53.0% (NNT=4, p<0.001)) and on week 48 (80.5% vs 55.4% (NNT=4, p<0.001) and 76.3% vs 47.9% (NNT=4, p<0.001)). The rates of adverse events were similar between treatments (A).179

When compared to etanercept 100mg/week, ixekizumab 160 mg at week 0 followed by 80 mg every two weeks for 12 weeks, demonstrated superior PASI 75, 90 and 100 response rates (41.6% vs. 89.7%, 18.7% vs. 70.7% and 5.3% vs. 40.5%- p<0.0001).180

In a study comparing two doses of brodalumab and ustekinumab, PASI 90 response rates on week 12 were significantly higher with 210mg brodalumab than with ustekinumab (44% vs 22% [AMAGINE-2] and 37% vs 19% [AMAGINE-3], (NNT= 5 and NNT=6, p<0.001). PASI 100 response rates with brodalumab 140mg were 26% in AMAGINE-2 (p=0.08 for the comparison with ustekinumab) and 27% in AMAGINE-3 (p=0.007) (A).184

Secukinumab 300mg on weeks 0, 1, 2, 3 and 4 and every four weeks thereafter also demonstrated better PASI 75, 90 and 100 response rates when compared to etanercept 100mg per week for 12 weeks (77.1% vs. 44%, 54.2% vs. 20.7% and 24.1% vs. 4.3%, respectively) on week 12 (p<0.001) (A).185

In a study that evaluated the difference between PASI 75 outcomes, comparing briakinumab and etanercept in 12 weeks, the result was 41% superior for briakinumab in relation to etanercept (p<0.001, NNT=3) (A).173

Recommendations:

In the evaluation of immunobiologic drugs regarding PASI 75 score, similar benefits were found with: etanercept, infliximab, adalimumab, ustekinumab, guselkumab, ixekizumab, secukinumab. Guselkumab was superior to adalimumab in IGA 0/1 and PASI 90.

There was a significant improvement for PASI 75 and in the evaluation with PGA score for the use of ustekinumab in relation to etanercept. Results of ixekizumab used in doses every two or four weeks were significantly better for the outcomes PASI 75, 90, 100 and IGA 0/1 when compared to etanercept. There was a significant improvement for PASI 75, 90 and 100, as well as for PGA 0/1 for the use of secukinumab in relation to etanercept.

Even though not all drugs have studies assessing the PGA score, the best results were with: ustekinumab, guselkumab, secukinumab and ixekizumab.

6.10 Is there a difference of efficacy and risk when we compare the treatment of psoriasis with the classic drugs (methotrexate, acitretin and cyclosporine) and immunobiologics?

The study that compared the efficacy of adalimumab in relation to methotrexate and placebo showed statistically significant superior therapeutic responses with adalimumab, achieving PASI 75 response in 16 weeks in 79.6% of patients using adalimumab, 35.5% of those using methotrexate and 18.9% of those using placebo (A).137 In a study comparing infliximab (n=653) with methotrexate (n=215), here was a significantly better improvement in patients treated with infliximab (78% vs. 42%, p<0.001, NNT=3) and the proportion of patients achieving PASI 90 was significantly higher (p<0.001) in patients in the infliximab group (A).186

Sixty patients were included in a study, and of these 30 were using etanercept 50mg twice weekly and the other 30 patients were using acitretin 0.4mg/kg/day; 56.7% of the patients in the etanercept group and 26.7% of the patients in the acitretin group showed PASI 75 response (p<0.005, NNT=4) (A).187

Regarding safety, the study comparing adalimumab with methotrexate showed similar rates of adverse events among patients using methotrexate and adalimumab. Regarding the study that compared etanercept with acitretin, safety data between both groups were also very similar.

In the study that evaluated the efficacy and safety of infliximab and methotrexate for the treatment of psoriasis, severe adverse events were reported more frequently in the group using infliximab, encompassing severe infections (tuberculosis, opportunistic infections such as P. carinii pneumonia, listeriosis, atypical mycobacteria, histoplasmosis, salmonellosis and viral infections) and infusion reactions (A).186

Recommendations:

Immunobiologics are more effective in the treatment of moderate to severe plaque psoriasis when compared to the classic treatment. Except for infliximab, immunobiologics are safer and better tolerated when compared to the classic drugs. Studies with infliximab showed higher risk of severe infections and infusion reactions.

6.11 Is there a difference in the efficacy of the treatment with immunobiologics in patients with psoriasis that already used one or more immunobiologics in comparison to those patients who never used an immunobiologic?

In a publication presenting integrated data of efficacy results of 12 weeks of two phase 3 studies, where patients were treated with ixekizumab 80mg every two weeks (n=736), ixekizumab 80mg every four weeks (n=733) after initial 160mg dose, or etanercept 50mg twice weekly, patients with and without previous use of immunobiologic were included. Of the total of patients evaluated, 497 (19.3%) had been previously exposed to immunobiologics. In patients being treated with ixekizumab, PASI 75 response rates were very similar among patients with previous use of immunobiologics (91.5%) and with no previous use of immunobiologics (87.7%). For patients being treated with etanercept, PASI 75 response rates were superior in the group that did not previously use immunobiologics (50.7%) when compared to those that has used immunobiologics previously (34.6%) (B).188

A study evaluated the efficacy of adalimumab in 30 patients with moderate to severe plaque psoriasis with primary or secondary treatment failure (PASI<50), or intolerance to etanercept. In relation to PASI scores prior to commencement of etanercept, PASI 75 response was obtained in 27% (NNT=4), 36% (NNT=3) of patients on weeks 12 and 24, respectively, of treatment with adalimumab. These response rates are similar to those presented by patients who responded to etanercept. The total rate of adverse events per year with etanercept was of 3.41% compared to 3.18% in patients treated with adalimumab. The most frequent events were infections, mainly respiratory, muscular, joint, gastrointestinal complaints, and dermatological abnormalities. The efficacy of treatment with adalimumab was not influenced by previous failure to etanercept (B).189

Sixty-nine treated with adalimumab were evaluated, which have already had previous treatment with other immunobiologics and/or TNF-alpha blockers (etanercept, efalizumab, alefacept, infliximab or ustekinumab). The comparison was with 16 patients using adalimumab as the first immunobiologic treatment. In relation to the original baseline (beginning of the study), the difference to PASI 75 in the evaluation at 12 weeks was of 27% favoring the group that used immunobiologics for the first time (NNT=4, p=0.004). There was no significant difference between the comparison groups for PASI 75 response rate in the evaluation at 24 and 48 weeks. Of all patients in the study, 19% presented adverse events, and only 29% of these were possibly or probably related to the drug being investigated (B).190

The evaluation of 282 patients using adalimumab which had not used TNF-alpha blocker previously, was compared to 448 patients on adalimumab, with previous use of TNF-alpha blockers. In the evaluation at 16 weeks, there was a 22.7% difference for PASI 75 favoring patients who had not been previously treated with TN-F-alpha blockers, compared to the group of patients that had been previously treated with two or more TNF-alpha blockers (NNT=5, p=0.016). the adverse events were similar in both groups, with the presence of infections being the most common (A).191

Another study had 26 patients on etanercept as the intervention group, after treatment failure with a previous immunobiologic drug; and comparison with 98 patients on etanercept as the first immunobiologic drug. After 12 weeks of follow-up, that patients that were not previously treated with immunobiologic had a gain of 11% (NNT=9) for PASI 50 and 12.9% (NNT=8) for PASI 75; after 24 weeks of follow-up, the patients with no previous treatment with immunobiologics kept the 20.3% gain (NNT=5) for PASI 50 and 10.1% (NNT=10) for PASI 75. All evaluations at 12 and 24 weeks were significant when the comparison was performed according to baseline (p<0.001), but there was no statistically significant difference in the evaluation of the results between weeks 12 versus week 24. The adverse events reported were injection site reactions (n=11), asthenia (n=9), cystitis (n=6), headache (n=5), labial herpes (n=3), pharyngitis (n=2), and otitis (n=1). None of these reactions required discontinuation of treatment (B).192

Recommendations:

In the efficacy evaluations at treatment weeks 12 and 16, adalimumab showed better response rates for the patients who were not previously treated with other immunobiologic drugs or tumor necrosis factor blockers; however, in the evaluations at 24 and 48 weeks this benefit was not observed.

In the efficacy evaluations at treatment weeks 12 and 24, etanercept 50mg demonstrated better response rates in patients that did not receive previous treatment with immunobiologics.

Regarding ixekizumab, there was no difference between those previously treated with other immunobiologics and those not.

7 – COMBINED TREATMENT

With the aim of establishing the recommendations on the combined treatment of plaque psoriasis with different drugs (immunobiologics, phototherapy and drugs from the classic regimen – Acitretin, Methotrexate and Cyclosporine), a search was carried out using Medline-PubMed database and 24 studies were selected to answer the clinical questions.118,119,187-208

7.1 What are the advantages and disadvantages of the combined treatment between drugs of the classic regimen (acitretin, methotrexate and cyclosporine) when compared to isolated treatments?

Thirty-nine male patients with plaque psoriasis, randomly allocated into control group (n=10), acitretin (n=11), methotrexate (n=9) and combination methotrexate + acitretin (n=9) were evaluated. The patients were treated for four weeks, with the following doses: Acitretin 20mg/day; and methotrexate 7.5mg/week on the first week, followed by 25mg/week. The combination group had better responses (PASI and DLQI) than the acitretin and methotrexate and lower DLQI than the acitretin group (p<0.05). PASI 50 and PASI 75 responses were also calculated, showing that the combination group had more patients achieving PASI 50 than the other groups. The patients tolerated well the use of both medications in combinations, in the usual doses (B).193

In a retrospective study, 18 patients receiving combined treatment (methotrexate + cyclosporine) were evaluated. The doses of cyclosporine used ranged from 150 to 250mg/day, with the initial dose of 3mg/kg/day. Methotrexate doses ranged from 7.5 to 22.5 mg/week. Of the total 18 patients, 14 had a short-term treatment (3 months) and 4 patients had long-term treatment (mean duration 284.5 ± 93.2 days). Twelve patients from the group receiving short-term combined treatment and all patients receiving combined treatment for longer than three months achieved PASI 50 response. PASI 75 response was achieved in five patients in the short-term group and one patient in the long-term group. Nine patients from the first group and all patients from the second group had adverse events, being the main ones increase in creatinine levels, hypertension, hypertriglyceridemia, depression and raised transaminases. The most common adverse event was increased levels of creatinine (higher than 30%), observed in eight patients (57%) (B).203

Twenty patients received combined treatment with intramuscular methotrexate 10 mg per week associated to cyclosporine 3.5 mg/kg/day, divided into two doses. The mean combined treatment was 9.5 weeks and median PASI reduction was of 77.4% (ranging from 51.2 to 90.2) (p<0.001). Fourteen patients had some kind of adverse event, being gastrointestinal and renal and hepatic abnormalities the most common (B).195

Recommendations:

Although the treatment combination (methotrexate + cyclosporine and methotrexate + acitretin) show superior efficacy data when compared to efficacy data as monotherapy, the lack of studies proving the safety of these associations limit the recommendations for their use in the management of patients with moderate to severe plaque psoriasis.

7.2 What are the advantages and disadvantages of the combined treatment with phototherapy and drugs from the classic regimen (acitretin, methotrexate and cyclosporine) when compared to the isolated treatments?

One-hundred and twenty patients with plaque psoriasis, allocated into three groups, were evaluated: group 1 with 38 patients receiving the combination of NB-UVB phototherapy associated to methotrexate in the dose of 0.2mg/kg per week, with a maximum of 20mg per week; group 2 with 38 patients receiving NB-UVB phototherapy alone and group 3 with 37 patients receiving methotrexate alone. A minimum 90% clearance of the lesions was observed in 94.74% of the patients in the group using the combination of treatments, in 92.11% of the patients using phototherapy alone and in 89.19% of the patients receiving methotrexate alone, with no significant difference between the three groups (p=0.674). However, the mean number of weeks to achieve clearance was significantly lower in the combined treatment group (6.11 weeks vs. 11.42 weeks vs. 20.87 weeks, p<0.0001). Also, there was no significant difference between the groups for relapse during follow-up period and for the adverse events described (A).119

In another study, the efficacy of combined treatment (NB-UVB + oral methotrexate) was compared to NB-UVB phototherapy alone. PASI 75 response was observed in 95% of patients with the combined treatment and in 70% of the phototherapy treatment only (NNT=4, p<0.04). The mean number of weeks (p=0.001), the mean cumulative dose of NB-UVB (p=0.001) and the number of phototherapy treatments (p=0.0001) to achieve PASI 75 were significantly lower in the combined treatment group in relation to phototherapy alone (A).202

In another study including 24 patients, the efficacy of phototherapy (NB-UVB) associated to methotrexate 15mg/week was compared to phototherapy (NB-UVB) associated to placebo. Best results were observed in the combination group of phototherapy + methotrexate, and the difference of the median PASI score reduction between both groups was 5.6 (p=0.013). The number of adverse events in both comparison groups did not change from four cases of mild erythema, two in each group, and generalized hyperpigmentation in all patients (A).194

Another study evaluated the efficacy of the combination of UVB phototherapy + acitretin, compared to the monotherapy with UVB phototherapy and monotherapy with acitretin. Patients were allocated into three groups: 16 patients receiving acitretin 50 mg per day associated to ultraviolet B (UVB), 18 patients receiving UVB only and 16 patients receiving acitretin only. The patients with the combined treatment of acitretin associated to UVB showed superior response rates in comparison to the groups receiving single treatment. There was no significant difference between the adverse events of the three comparative groups (A).201

The association of PUVA + acitretin versus PUVA alone was evaluated in 60 patients with severe psoriasis. Patients were allocated into two groups, with 30 patients using acitretin 1mg/kg/day associated to PUVA and 30 treated with PUVA alone. Complete or almost complete improvement (minimum 90% clearance of lesions) occurred in 96% patients in the group receiving combined treatment and in 80% of those treated with PUVA (NNT=7). The most frequent adverse events in both comparison groups were cheilitis, dryness of mucous membranes of the nose and mouth, conjunctivitis, scaling, asteatosis, pruritus and hair loss (A).206

Authors studied nine patients being treated with UVB phototherapy and low dose of acitretin (0.34 to 0.44mg/kg), comparing with 32 patients treated with UVB phototherapy alone. Clearance of lesions occurred significantly more in patients under combined treatment compared to patients using only UVB (89% vs. 62.5%, NNT=4) (A).200

Recommendations:

The combination of phototherapy (UVB and PUVA) with classic systemic treatments showed higher efficacy than the respective treatments separately, according to evaluation of both PGA 0 or 1 response and PASI 75 response.

7.3 What are the advantages and disadvantages of the combined treatment with phototherapy and immunobiologics when compared to those treatments separately?

In the first phase of the study (8 weeks), 322 patients were treated with phototherapy as the first line treatment option. After eight weeks of phototherapy, patients who did not achieve PASI 75 response joined the second phase of the study, and were treated with conventional systemic therapies or etanercept 50mg twice weekly. After the end of the second phase of the study, those who did not achieve PASI 75 in 12 weeks, joined the third phase of the study, where NB-UVB phototherapy was added. After finishing the first phase of the study, PASI 75 response was obtained in 262 patients (81.4%) treated with NB-UVB phototherapy. In the second phase of the study, 24 patients (7.5%) were treated with at least one of the conventional systemic treatments for psoriasis and 20 patients (6.2%) were treated with etanercept. Of the patients who were treated with etanercept in the second phase of the study, eight (2.5%) joined the third phase of the study and NB-UVB was associated. All these patients achieved PASI 75 and three of them had complete remission after 14.6±3.3 NV-UVB exposures. Combination treatment was well tolerated, with no acute adverse events (B).196

In a 2-phase study, 30 patients were treated with etanercept 50mg once weekly for 12 weeks in the first phase. In the second phase of the study (weeks 12 to 24), patients were randomized into two groups: one group received etanercept alone, and the other group etanercept associated to NB-UVB phototherapy three times per week. At the end of the first phase, 48% of all patients studied achieved PASI 75 response, 41.7% of them with BMI above 35. On week 24, PASI 75 response rates were similar in the etanercept group and combination etanercept + phototherapy (46.7% vs. 53.3%, respectively) (A).205

Seventy-five plaque psoriasis patients who did not achieve PASI 90 response in 12 weeks of treatment with etanercept 50mg twice weekly were assessed. These patients were randomized into two groups: 37 patients treated with NB-UVB phototherapy three times per week for at least four weeks associated to etanercept, and 38 patients using only etanercept in the comparison group. On week 24, PASI 90 was achieved by 16.2% of patients with combined treatment of etanercept and NB-UVB, in comparison with 15.8% of patients who received monotherapy with etanercept (there was no statistically significant difference; p=1.000). On week 16, the proportion of patients that achieved PASI 90 was 39.5% more in the group with combined treatment (p=0.018). There was no significant difference for treatment safety between the comparison groups (A).119

In another study, 10 patients treated with ustekinumab 45 mg or 90 mg (dose standardized according to the weight), subcutaneous on weeks 0 and 4, were treated with NB-UVB on one half of the body, three times a week for six weeks. The end point was to compare PASI response of the half of the body that received phototherapy to the half of the body that did not. On week six, PASI 75 was achieved in 78% of those treated with the combined treatment and in 11% of those receiving monotherapy (NNT=2, p=0.007). On week 12, the synergistic effect of phototherapy did not show a significant difference (A).207

Recommendations:

In the comparison of etanercept as monotherapy or associated to NB-UVB phototherapy, there was no difference for PASI 75 or PASI 90 in the evaluation at 24 weeks. However, in the evaluation at 12 and 16 weeks after starting the treatment, there are controversies regarding the benefit of the combined treatment for PASI 90.

With ustekinumab, the association with UVB phototherapy speed up the process of improvement of the lesions on week 6, with a difference of PASI 75 in 67% for the half of the body receiving the combined therapy (NNT=2), in relation to the half of the body that was treated with the immunobiologic alone.

7.4 What are the advantages and disadvantages of the combined treatment with drugs from the classic regimen and immunobiologics when compared to their use separately?

In a randomized, double-blind study, 60 patients were randomized into three treatment groups: (a) etanercept 50mg twice weekly every week for 12 weeks, followed by etanercept 25mg twice weekly every week for 12 more weeks (ETN-ETN); (b) etanercept 25 mg twice weekly every week and acitretin 20 mg/day for 24 weeks (ETN-ACT); (c) acitretin 20mg/day for 24 weeks. The proportions of patients with PASI 75, PASI 50 and PGA 0 or 1 on week 24 in the groups ETN-ETN (52.4, 71.4 and 52.4%, respectively) and ETN-ACT (57.9, 84.2 and 52.6%, respectively) were higher than in the ACT group (22.2; 44.4; and 16.7%, respectively).the incidence of adverse events was similar in all three groups (A).187

In a study, 478 patients with moderate to severe plaque psoriasis with normal liver and hematologic functions were included. All patients were treated with etanercept 50mg, subcutaneously, twice weekly for 12 weeks, followed by 50mg per week. In the intervention group (n=239), weekly oral methotrexate, in doses of 7.5 mg to 15 mg was added from week 12 to 24. In the comparison group, all patients received etanercept associated to placebo only after the 12th week (n=211). On week 24, there was a 17% difference in PASI 75 response, favoring patients treated with the combined therapy (NNT=6, p<0.0001); for PASI 50, the difference was of 7% (NNT=15, p=0.01) favoring the group of combined therapy, and for PASI 90, the difference was of 19.6% (NNT=6, p=0.01), also favoring the group receiving the combined therapy. of the patients, 74.9% of the combined therapy group and 59.8% of the monotherapy group had adverse events. The most common events were nasopharyngitis, headache, upper respiratory tract infection and nausea (A).199

In a double-blind, randomized study, 60 patients with moderate to severe plaque psoriasis allocated into three groups were evaluated: group 1 with 22 patients receiving etanercept 25mg, twice weekly, subcutaneously; group 2 with 20 patients using acitretin 0.4mg/kg/day, orally; group 3 with 18 patients using etanercept 25mg per week, associated to acitretin 0.4mg/kg/day. On week 24, 45%of the patients in group 1, 30% of patients in group 2 and 44% of patients in group 3 achieved PASI 75 (p=0.001 for both groups receiving etanercept in comparison to the patients who were treated with acitretina only). There was no significant difference regarding the variation of the mean values of ALT, AST, cholesterol and triglycerides between the three groups (A).198

In another study, with 24 weeks duration, patients with partial response to methotrexate (at least three months of treatment) were included and allocated into two groups: the first group (n=28) received etanercept for 24 weeks associated to a short course of oral methotrexate (four weeks); and the second group (n=31) received subcutaneous etanercept and continuous oral methotrexate for 24 weeks. Etanercept was administered subcutaneously, in the dose of 50mg twice weekly every week for 12 weeks, followed by 25 mg twice weekly for another 12 weeks. PGA 0 or 1 response was superior in the group using methotrexate continuously (66.7 vs 37.0%, respectively) (NNT=4, p=0.025). Both comparison groups showed PASI improvement compared to baseline. However, the difference was significant for PASI 75 on week 24 (p=0.013) in the group receiving etanercept associated to continuous methotrexate and there was no significant reduction for PASI 90 (p=0.077). regarding adverse events, there was no difference between the comparison groups, with the most common events being infections, pustular psoriasis on the hands, pneumonia, heart failure/atrial fibrillation (A).208

Recommendations:

In the evaluation of the use of etanercept as monotherapy compared to the immunobiologic associated to methotrexate or acitretin, there was improvement to PASI 75 on week 24 in patients treated with the association. Adverse events were reported in 74.9% of the patients receiving combined therapy and in 59.8% of the patients receiving monotherapy with immunobiologic or the classic treatment.

8. TREATMENT OF PREGNANT AND BREASTFEEDING WOMEN

Psoriasis is a chronic inflammatory condition that is more frequent in adults and the need for therapeutic intervention in women of child-bearing age is common. With the aim of establishing the recommendations for the treatment of plaque psoriasis in pregnant or breastfeeding women, a search was carried out using Medline-PubMed database, retrieving 324 studies, out of which 43 were selected to answer the clinical questions.209-251

8.1 Treatment of plaque psoriasis in pregnant women

8.1.1 Topical Corticosteroids

The safety of topical glucocorticoids varies according to the strength of the agent and the specific vehicle used. Current evidence suggests that mild/moderate topical corticosteroids are preferred during pregnancy. The risk of high potency applied in large areas of the body surface approach those seen with systemic steroids due to the increased potential of systemic absorption (D).247

It was also observed in one study that the use of low and medium potency did not show significant increase of the risk of fetal growth restriction, on the other hand, those of high and very high potency showed increase of the risk (RR 2.08; 95% CI 1.40-3.10; p<0.001, NNH=168). There was no association between maternal exposure to topical corticosteroids of all potencies and increased risk of fetal death, premature labor or fetal malformations (B).216

8.1.2 Calcineurin inhibitors (Tacrolimus)

Authors found an association with prematurity and low birth weight. When used topically, calcineurin inhibitors are weakly absorbed systemically (242) (D). Their use is allowed in small areas when there is no other alternative, due to the lack of studies on safety during pregnancy (B).241

8.1.3 Vitamin D analogues (Calcipotriol)

Calcipotriol or calcipotriene, vitamin D analogue, when applied in small areas and doses < 10,000 IU/day has a small risk of systemic absorption (D).210 There are no studies conducted on pregnant women (B).223

In animal studies, calcipotriol resulted in a higher incidence of skeletal abnormalities, including incomplete ossification of the pubic bones and anterior phalanges (D).211,234

When there are no alternatives, the topical use of calcipotriol on small surfaces is allowed, but it should be avoided under occlusive dressings, avoiding systemic absorption and reducing the risk of toxicity (D).247

8.1.4 Topical retinoids (adapalene, tretinoin and tazarotene)

Some topical retinoids, such as adapalene and tretinoin, are categorized into pregnancy category C according to the FDA’s classification, due to the risk of teratogenesis. On the other hand, tazarotene is currently labeled as pregnancy category X, and is totally contraindicated in pregnant women due to the risk of teratogenesis. Its risk is enhanced by the fact that it is applied on large areas of the body surface in cases of moderate to severe psoriasis, therefore increasing its systemic absorption. Topical tazarotene should be avoided in pregnant women (D).227

8.1.5 Salicylates

There are many concerns regarding the use of topical salicylates during pregnancy. When combined to other drugs, particularly topical corticosteroids, salicylic acid increases percutaneous absorption of other agents. There is also a concern with the systemic absorption of the salicylic acid itself applied topically, in concentrations ranging from 9% to 25%. Some cases of acute systemic toxicity by salicylates after topical use have been reported, usually with the prolonged use on extensive body surfaces and/or the use of occlusive dressings (D).227

8.1.6 Tar Derivatives

A retrospective study evaluated 23 pregnant women who used coal tar during pregnancy and no increase in the risk of mal-formations was observed, when compared to population data (B).220

Even though there are animal studies demonstrating that the maternal exposure to high doses resulted in perinatal mortality and increased risk of palate fissures and pulmonary abnormalities in the offspring, literature on human exposure did not reveal any effect (D).234

The use of dithranol and coal tar is not recommended during pregnancy (D).247

8.1.7 Methotrexate

Methotrexate was shown to be teratogenic and abortive during pregnancy. There are evidences that methotrexate is found on the liver for up to four months after exposure and a prospective review of nine cases of methotrexate exposure prior to pregnancy showed that in four cases, where the exposure took place within six months of the pregnancy, spontaneous abortions occurred (D).211,234,251 There are reports of spontaneous abortions after its use on the first trimester of pregnancy (B).231

Multiple malformations (craniofacial, skeletal, cardiopulmonary and gastrointestinal) were detected on the 18th week of gestation in a patient who received the drug on the first week of gestation (C).219,236

8.1.8 Acitretin

Acitretin, a synthetic derivative of vitamin A, was shown to be teratogenic in animal studies, supporting it being absolutely contraindicated in pregnant women (D).224

The teratogenic effects associated to retinoids and hypervitaminosis A include craniofacial dysmorphia, hip malformations, meningomyelocele, meningoencephalocele, multiple synostoses and limb abnormalities. There are six known cases of fatal outcome after exposure to acitretin, including two with malformations consistent with the teratogenic effects (D),251 (B).214

Since acitretin can be re-esterified into etretinate, that has a longer elimination half-life (up to 150 weeks), it is necessary to ensure contraception for at least two years after finishing treatment with acitretin (D),251 (B).214

8.1.9 Cyclosporine

The physiologic adaptations and clinical changes that occur in pregnant women can affect cyclosporine absorption, distribution and clearance. Gastric emptying and motility of the small intestine are reduced during pregnancy, what can lead to a higher absorption time and a lower peak serum level of cyclosporine. Therefore, it is paramount that its serum levels be monitored more frequently and, when necessary, dose adjustments be made (B).238 High levels of cyclosporine in the placenta and/or umbilical cord blood were found in many studies, with 6% of the maternal concentration of cyclosporine reaching the fetus albeit no detection of the drug in the maternal or fetal brain (B).238

A meta-analysis with 15 studies including 410 pregnant women who underwent a transplant and were exposed to cyclosporine during gestation was conducted to determine if exposure to cyclosporine during pregnancy is associated to an increased risk of congenital malformations, premature labor or low birth rate. The results suggest that the use of cyclosporine during pregnancy is not teratogenic, but can be associated to premature labor and low birth weight in children (2,500g) (B),212 (D). 211

Many studies indicate that a short course of cyclosporine (3 to 4 months), with a low dose (less than 5 mg/kg/day), results in an 80-90% improvement in psoriasis, demonstrating the efficacy of cyclosporine use during pregnancy to control severe psoriasis. No incidence of maternal complications was reported, although prematurity and/or low birth weight are common (B). 238

8.1.10 Phototherapy

Phototherapy, narrowband ultraviolet B (NB-UVB) and broadband ultraviolet V (BB-UVB) are considered safe options during pregnancy (D).238

The use of narrowband UVB seems to reduce the serum levels of folate, and can increase the risks of neural tube defects in the fetus/ therefore, the concurrent use of folic acid 5 mg/day is recommended (B).218

In a prospective study that followed 159 pregnant women, psoralen + UVA (PUVA) did not show an increase in the incidence of fetal malformations or fetal deaths (B).225,246 Since psoralen is a known mutagen and teratogen, avoidance of treatment with PUVA during pregnancy is recommended (D).234

8.1.11 Immunobiologics

There are reports that the use of infliximab during pregnancy did not cause abnormalities in fetal development (C).245

Adalimumab and infliximab are complete IgG1 antibodies, so its transplacental transport is expected. An international, multicentric, prospective cohort study of 80 pregnant women with inflammatory bowel disease (IBD) that received adalimumab or infliximab, found an inverse correlation between the time since the last exposure to the drug during pregnancy and the concentration in the blood from the cord (B).228

A case report found a ratio of concentration of etanercept between maternal blood and blood from the umbilical cord of 14:1 during delivery, in a woman with ankylosing spondylitis receiving 25 mg subcutaneously once a week during the second and third trimester, evidencing the low transplacental transport (B).228 Anti-TNF-alpha transplacental transport seems not to occur before the second trimester and, although it increases during the third trimester, etanercept shows considerably less transport than other anti-TNFs (B).215

Two ustekinumab studies on fetal development conducted in monkeys did not reveal any evidence of maternal toxicity, embryotoxicity or teratogenicity. There are very limited data on treatment safety, with only two case reports in the literature, all with healthy infants. A report grouped 4-year data of clinical trials with 31 pregnant women, with no incidences of fetal malformations or death. The FDA attributed pregnancy category B to ustekinumab, similar to anti-TNF-alpha; however, due to lack of evidences proving its safety during pregnancy, its use is not recommended (D).211

Animal studies with secukinumab, a monoclonal antibody against IL-17A, do not show harmful effects regarding the pregnancy, embryonic/fetal development, labor or post-natal development, including that of the immune system (B).249

In a global safety database, the results of pregnancies where there was maternal or paternal exposure to secukinumab were analyzed, and overall rates of spontaneous abortion were 30/292 (10.3%), according to the rates observed for the general population. Most of the spontaneous abortions happened within 10 weeks of gestation and there were no stillbirths (> 20 weeks’ gestation). Of the 38 cases of exposure in patients with psoriatic arthritis spontaneous abortions occurred in 7.9% and in 6.7% of 15 patients with adverse events. Most patients discontinued the treatment in the first trimester, knowing that secukinumab is transferred through the placenta in the third trimester. There are no human data about the effect of secukinumab in the immune system of newborns after in utero exposure (B).249

Ixekizumab, a humanized monoclonal antibody (IgG4) that binds to IL-17A, has very limited usage data in pregnant women. In the development toxicity studies, ixekizumab crossed the placenta and was present in the blood up to six months of age, but animal studies still do not indicate directly or indirectly harmful effects regarding pregnancy, embryos, or fetal development, labor or post-natal development (D).239

Recommendations:

There are evidences that the use of low and medium potency topical corticosteroids are safe for the treatment of the pregnant woman with psoriasis. There seems to be an association of very high potency topical corticosteroids with low birth weight, and it should be avoided.

Since tazarotene has teratogenic potential, it is contraindicated during pregnancy.

Tacrolimus used topically is very little absorbed, however, due to the lack of safety studies in pregnant women, it is indicated to be used on small areas when there is no other therapeutic alternative.

There are no studies with calcipotriol conducted in pregnant women, and it should be avoided in this population.

The use of topical salicylates should be avoided in pregnant women due to the risk of systemic absorption of the salicylate and subsequent fetal risk.

Ultraviolet B phototherapy is the systemic therapy with best evidence of safety during pregnancy. PUVA phototherapy should be avoided during pregnancy due to the teratogenic potential of psoralen.

Despite being classified as category C by the FDA (US – Food and Drug Administration Agency), cyclosporine has good evidences of safety for use during pregnancy.

Acitretin is absolutely contraindicated in pregnant women because of its teratogenic potential, and effective contraception must be ensured during its use and for at least two years after ceasing the drug.

Methotrexate is contraindicated during pregnancy because it is teratogenic and abortive.

There are reports that the use of infliximab, etanercept and adalimumab do not alter fetal development, being safe to the fetus when used during pregnancy. Nonetheless, there are no sufficient data for recommending these medications for the treatment of psoriasis in the pregnant woman, and effective contraception is recommended during their use in women of childbearing age.

There are very limited data on the safety of the treatment with ustekinumab, secukinumab, ixekizumab and guselkumab during pregnancy, with not enough data yet to recommend their use in pregnant women; effective contraception is recommended during their use in women of childbearing age.

8.2 Treatment of plaque psoriasis in breastfeeding women

8.2.1 Topical Corticosteroids

The first line of treatment for breastfeeding mothers is limited to emollients and low to medium potency topical corticosteroids (D).232

Topical corticosteroids have been proven safe during breastfeeding (C).250 There is one report of hypertensive crisis in an infant after maternal use of high potency topical corticosteroid (C).244

8.2.2 Calcipotriol

Regarding calcipotriol, a vitamin D analogue, it presents a low risk of systemic absorption when used in small doses < 10,000 IU/day, however, there are no reports of its use during breastfeeding (D).223

8.2.3 Tar Derivatives

Coal tar can be transferred to the infant during breastfeeding through skin-to-skin or skin-to-mouth contact (C).243 Cases of detection of tar derivatives in breast milk have been reported (D).232

8.2.4 Phototherapy

Ultraviolet B (UVB) phototherapy is compatible with breastfeeding. Regarding PUVA, topical psoralen has little systemic absorption, however, it is unknown if it is absorbed into breast milk. PUVA phototherapy is contraindicated during breastfeeding (B).210

8.2.5 Acitretin

Acitretin should be avoided during breastfeeding due to its cumulative toxic effect. Breastfeeding infants are not capable of excreting the drug through the kidneys or liver due to the immaturity of these organs; this would increase the serum levels of the drug and it could reach toxic levels.

It was recently described that there are traces of acitretin (30-40 ng/ml) excreted in the breast milk; this corresponds to a ratio of concentration milk/serum of 0.18. the estimated dose for the infant is 1.5% of the maternal dose. Acitretin is almost exclusively found in the fat component of breast milk, thus, there are no reports of neonatal toxicity after exposure to acitretin in breast milk; however, it should be avoided in breastfeeding women. Recommendations are lacking regarding the time frame after finishing treatment during which breastfeeding should be contraindicated (B).214

8.2.6 Methotrexate

Methotrexate has reports of transference into breast milk in small concentrations, and can be deposited in the child’s tissues for many months. Due to the limited number of studies in breastfeeding women and analysis of its long term effects in infants, its use is not recommended (C).229

Two-hourly samples of breast milk from a patient treated with a first dose of 22.5mg of methotrexate for postpartum choriocarcinoma showed it was excreted in small concentrations in the breast milk. The maximum level of methotrexate measured in the breast milk was around 3% of the maximum maternal serum level, with the higher ratio milk-serum of 0.08 at 10 hours (D).251 The meaning of these measures is uncertain due to limited reports, and its use is contraindicated during breastfeeding (B),210 (D).226

8.2.7 Cyclosporine

There are reports of infants, born from renal transplant recipients using cyclosporine during breastfeeding, who did not develop renal toxicity or other side effects, with undetectable levels of cyclosporine (B),237 even though other reports show cytotoxicity and suggest avoiding the drug during breastfeeding (C).221

Data show that the use of calcineurin inhibitors such as cyclosporine during pregnancy does not increase the risk of congenital defects in breastfeeding infants. Besides, it is known that cyclosporine is excreted in breast milk and the American Association of Pediatrics advises against breastfeeding during the use of the drug. Of the 15 cumulative breastfeeding infants in different reports, only one had detectable cyclosporine. The mother ceased breastfeeding and the child was well and developing adequately in the last follow-up. Although any immunosuppressing exposure to the baby can exceed safety limits, the relatively small amount of the drug transferred and the absence of reported adverse events, together with the documented benefits from breastfeeding, can overcome theoretical risks of this exposure (B).238

8.2.8 Immunobiologics

Data on the use of immunobiologic drugs are still scarce. The absorption of maternal antibodies through breast milk in humans is limited. Small amounts of IgG and other larger immunoglobulins cross mammary acini and, therefore, would hardly reach significant concentrations in the infant’s blood. For this reason, the flow of anti-TNF drugs through breast milk is expected to be minimal (D).232

Adalimumab and infliximab are complete IgG1-type antibodies, and can cross the placental barrier. The mean clearance time for adalimumab in breastfeeding infants is four months, and for infliximab is 7.3 months. The latter was detected until 12 months of age (B).228

Etanercept is only found in small concentrations in breast milk and is undetectable in the blood of breastfeeding infants (C).213,235 In all case reports of mothers using etanercept, the breastfeeding infants achieved all development milestones. The authors described the concentration in breast milk of 5 ng/ml and etanercept was not detected in the infants’ blood. Because it is a large protein, oral absorption of etanercept is believed to be minimal or absent (D).232 Adalimumab and infliximab had similar results to etanercept and seem to be safe for use during breastfeeding according to some reports (C).213,221,230,245

Ixekizumab is excreted in low levels in breast milk from cynomolgus monkeys, but it is unknown if it is excreted in human breast milk or if it is systemically absorbed after ingestion. It is a large protein molecule (molecular weight of 146,000 kDa), therefore, absorption is unlikely after the first weeks after delivery. The same is described for secukinumab (molecular weight 151,000 kDa) (D).239

Data on monoclonal antibodies anti-IL-12/23 are very immature to make any recommendations. Since ustekinumab has a molecular weight of 149,000 kDa, the amount in breast milk is likely to be very low and the absorption is unlikely due to its destruction in the infant’s gastrointestinal tract (D).239

The effects of the use of ustekinumab during breastfeeding were studied in cynomolgus monkeys, in which low levels of ustekinumab (1/1000 of the level found in maternal serum) were found in breast milk. There are no reports of breastfeeding in humans; however, due to the fact that other immunoglobulins and proteins are present in colostrum, it is suggested that ustekinumab is excreted in breast milk (B).214

Recommendations:

Topical corticosteroids have been proven safe during breastfeeding.

There are no reports on the use of calcipotriol during breastfeeding.

Ultraviolet B phototherapy is the safest modality of systemic treatment to be indicated during breastfeeding. PUVA phototherapy should be avoided.

Methotrexate, acitretin, cyclosporine and psoralen (PUVA) are contraindicated during breastfeeding.

Adalimumab, infliximab and etanercept are safe for use during breastfeeding.

The lack of data on ustekinumab, ixekizumab, secukinumab and guselkumab does not allow to recommend their use during breastfeeding.

9. MEDICATIONS ASSOCIATED TO THE DEVELOPMENT OR AGGRAVATION OF PSORIASIS

With the aim of establishing the recommendations on systemic medications associated to the development or aggravation of psoriasis, a search was carried out using Medline-PubMed database, and the best scientific evidences were selected to answer the clinical questions. This search encompassed drugs that have been historically associated to the development and/or aggravation of psoriasis: angiotensin converting enzyme I inhibitors, angiotensin II receptor antagonists, lithium, beta-blockers, anti-inflammatories, antimalarials and interferon.

9. Which systemic medications are associated to the development or aggravation of psoriasis?

9.1 TNF-alpha blockers

Patients with chronic inflammatory conditions being treated with TNF-alpha blockers can progress with psoriasis as a paradoxical effect, also known as reactive psoriasis, most frequently reported in patients with inflammatory bowel disease (C).252-256 Many studies evidenced this relationship, with incidence ranging from 1.6% to 2.5% (253-256) (C). Smoking (C)252,256 and female gender (C) 254,256 were considered significant among the factors possibly related with the development of psoriasis as a paradoxical effect.

9.2 Interferon Alpha

During treatment with interferon alpha for the Hepatitis C, 36 cases of patients who developed psoriasis lesions (aggravation in 22 cases and triggering in 14 cases) were reported in 32 publications (C).257

9.3 Angiotensin II Receptor Antagonists

The use of losartan for the treatment of hypertension in a 49-year-old man lead to the subsequent appearance of psoriasiform lesions (confirmed by biopsy) one week after the medication was commenced. The skin lesions gradually resolved after discontinuation of losartan (C).258

9.4 Nonsteroidal Anti-inflammatories

Isolated cases of patients with inflammatory arthopathies are reported with the development of psoriasis for using nimesulide259 (C) and rofecoxib (C)260, with subsequent remission of psoriasis after withdrawal of the anti-inflammatory.

The association between many pain killers widely used, including aspirin, nonsteroidal anti-inflammatories (NSAIDs) and acetaminophen (paracetamol) and the risk for psoriasis and psoriatic arthritis (PsA) was evaluated in 95,540 participants during follow-up. During 1,321,280 person-years of follow-up, 646 cases of psoriasis and 165 cases of PsA were documented. Compared to women who did not report their use, regular acetaminophen and NSAIDs users, with longer than 10 years of use, showed multivariate risk rates of 3.60 (CI95%:2.02-6.41] and 2.10 (CI95%:1.11-3.96), respectively, for PsA. There was no clear association between aspirin and psoriasis risk or PsA. In conclusion, the prolonged use of acetaminophen and NSAIDs can be associated to an increased risk of psoriasis and PsA (B).261

9.5 Betablockers

An analysis of 36,702 patients (and the same number of controls) with first-time diagnosis of psoriasis who used cardioselective and non-cardioselective betablocker revealed that according to the number of prescriptions (1-4, 5-19, >20) the incidence of psoriasis was, respectively OR 0.93 (0.70 to 1.13 CI95%), 1.10 (0.97 to 1.24 ) and 1.10 (1.01 to 1.20), not supporting evidences that the use of betablockers increase the incidence of psoriasis (B).262

Twenty-three psoriasis patients using betablockers first developed psoriasis after commencing the drug in seven cases, and this number was statistically significant when compared to the control group (psoriasis patients with no previous use of betablocker) – p<0.001. four of these patients had a generalized presentation (severe) of psoriasis and in three the symptoms remitted after discontinuation (B).263

9.6 Lithium

The use of lithium in 36,702 patients (and the same number of controls) with first-time diagnosis of psoriasis registered between 1994 and 2005, when compared to non-use prior to development of psoriasis, resulted in an Odds Ratio (OR) of 1.68 (CI95% 1.18- 2.39, p<0.01), demonstrating that the use of lithium was associated to a small risk of an increased incidence of psoriasis (B).264

Patients with psychiatric disorders that received lithium for the first time developed psoriasis in 6% of cases (of the 51 patients receiving lithium, three developed lesions); compared to the control group, p value was not significant (B).265

9.7 Angiotensin I Converting Enzyme Inhibitors

There are reports that the angiotensin II converting enzyme inhibitors (ACEI) captopril and lisinopril exacerbated or triggered psoriasiform lesions (C).266

In a cohort where 16,342 patients received captopril, 25,686 patients received enalapril maleate and 11,235 patients received lisinopril, six developed psoriasiform lesions (one case of exacerbation and five cases of new onset). The rate of association of psoriasiform lesions was 1.3 for 10,000 in total, 2.1 for each 10,000 women and 0.4 for each 10,000 men (C).267

9.8 Antimalarials

Six days after starting chloroquine phosphate 500mg/week and proguanil 200mg/day for malaria prophylaxis, a 45-year-old patient with psoriasis presented with worsening of the inflammation and pain in preexisting lesions (C).268

Another report revealed exacerbation of plaque psoriasis lesions in a patient using chloroquine sulfate 400mg/week and proguanil 200mg/day as prophylaxis, requiring hospitalization for systemic treatment with methotrexate (C).269

Recommendations:

TNF alpha blockers can paradoxically cause psoriasiform lesions in patients with chronic inflammatory conditions, being more frequent in inflammatory bowel disease, occurring in 1.6-2.5% of patients.

Results of the largest studies regarding betablockers and lithium are still controversial because they are drugs with considerable evidences, however insufficient, to cause or aggravate psoriasis.

Therapy with interferon alpha, nonsteroidal anti-inflammatories, angiotensin receptor antagonists and ACE inhibitors seem to trigger or exacerbate preexisting psoriasiform lesions, although with weak evidences of causal relationship.

Footnotes

*Work conducted at the Sociedade Brasileira de Dermatologia, Rio de Janeiro (RJ), Brazil.

Financial Support: None.

Conflict of Interest: The coauthors hereby declare that they participated in meetings and talks and/or received support from the following pharmaceutical laboratories: Marcelo Arnone: Abbvie, Glenmark, Janssen, Leo Pharma, Lilly, Novartis, Pfizer, UCB Biopharma; Maria Denise Fonseca Takahashi: Abbvie, Janssen, and Pfizer; André Vicente Esteves de Carvalho: Abbvie, Janssen, Lilly, Novartis, and UCB; Biopharma; Wanderley Marques Bernardo: none; Aline Lopes Bressan: Abbvie; Andréa Machado Coelho Ramos: Abbvie, Janssen, Lilly, Novartis, Sanofi, and UCB; Biopharma; Aripuana Cobério Terena: Abbvie, Janssen, Lilly, Novartis, and Sanofi; Cacilda da Silva Souza: Abbvie, Janssen, Leo Pharma, Lilly, and Novartis; Daniel Holthausen Nunes: Abbvie, Janssen, Novartis, and Sanofi; Maria Cecília de Carvalho Bortoletto: Abbvie, Janssen, and Novartis; Maria de Fátima Santos Paim de Oliveira: Abbvie, Janssen, Leo Pharma, and Novartis; Jane Marcy Neffá: Abbvie and Pfizer; Luciana Cristina Fieri: none; Luna Azulay-Abulafia: Abbvie, Janssen, Leo Pharma, Lilly, Novartis, Pfizer, and Roche; Paulo Antônio Oldani Felix: Abbvie, Astra-Zeneca, Janssen, Leo Pharma, Lilly, Novartis, UCB Biopharma; Renata Ferreira Magalhaes: Abbvie, Janssen, Lilly, Novartis, and Pfizer Ricardo Romiti: Abbvie, Galderma, Janssen, Leo Pharma, Lilly, Novartis, Sanofi, and UCB Biopharma; Tatiana Jerez Jaime: none

Contributed by

AUTHORS’ CONTRIBUTIONS

Marcelo Arnone

0000-0002-7192-5161

Approval of the final version of the manuscript; Design and planning of the study; Preparation and writing of the manuscript; Data collection, analysis and interpretation; Critical literature review; Critical manuscript review

Maria Denise Fonseca Takahashi

0000-0001-8671-6680

Approval of the final version of the manuscript; Design and planning of the study; Preparation and writing of the manuscript; Data collection, analysis and interpretation; Critical literature review; Critical manuscript review

André Vicente Esteves de Carvalho

0000-0002-0407-538X

Approval of the final version of the manuscript; Preparation and writing of the manuscript; Data collection, analysis and interpretation; Critical literature review; Critical manuscript review

Wanderley Marques Bernardo

0000-0002-8597-5207

Statistical analysis; Approval of the final version of the manuscript; Design and planning of the study; Preparation and writing of the manuscript; Data collection, analysis and interpretation; Critical literature review; Critical manuscript review

Aline Lopes Bressan

0000-0002-3296-5232

Data collection, analysis and interpretation; Critical literature review

Andrea Machado Coelho Ramos

0000-0001-7414-3395

Data collection, analysis and interpretation; Critical literature review

Aripuanã Cobério Terena

0000-0002-2550-1341

Data collection, analysis and interpretation; Critical literature review

Cacilda da Silva Souza

0000-0002-8157-7658

Data collection, analysis and interpretation; Critical literature review

Daniel Holthausen Nunes

0000-0002-1303-5419

Data collection, analysis and interpretation; Critical literature review

Maria Cecília de Carvalho Bortoletto

0000-0002-6156-6097

Data collection, analysis and interpretation; Critical literature review

Maria de Fátima Santos Paim de Oliveira

0000-0002-8594-200X

Data collection, analysis and interpretation; Critical literature review

Jane Marcy Neffá

0000-0002-7888-0154

Data collection, analysis and interpretation; Critical literature review

Luciana Cristina Fieri

0000-0002-7981-9398

Data collection, analysis and interpretation; Critical literature review

Luna Azulay-Abulafia

0000-0002-4698-2009

Data collection, analysis and interpretation; Critical literature review

Paulo Antônio Oldani Felix

0000-0002-1055-0597

Data collection, analysis and interpretation; Critical literature review

Renata Ferreira Magalhaes

0000-0001-9170-932X

Data collection, analysis and interpretation; Critical literature review

Ricardo Romiti

0000-0003-0165-3831

Data collection, analysis and interpretation; Critical literature review

Tatiana Jerez Jaime

0000-0002-7594-620X

Data collection, analysis and interpretation; Critical literature review

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