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Am J Clin Dermatol. 2011 Feb 1;12(1):51-62. doi: 10.2165/11530640-000000000-00000.

Efficacy and safety of adalimumab among patients with moderate to severe psoriasis with co-morbidities: Subanalysis of results from a randomized, double-blind, placebo-controlled, phase III trial.

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1
Harvard Medical School, Boston, Massachusetts 02114, USA. harvardskinstudies@partners.org

Abstract

BACKGROUND:

Psoriasis is associated with a variety of major physical and mental co-morbidities.

OBJECTIVE:

To assess the incremental burden of co-morbidities on patient-reported outcomes and evaluate the efficacy and safety of adalimumab in psoriasis patients with co-morbidities.

STUDY DESIGN:

Data were obtained from the initial 16-week, double-blind treatment period of REVEAL (Randomized controlled EValuation of adalimumab Every other week dosing in moderate to severe psoriasis triAL), a randomized, multicenter, phase III clinical trial.

INTERVENTION:

Patients with moderate to severe psoriasis were randomized in a 2 : 1 ratio to receive adalimumab 80 mg (two 40 mg injections administered subcutaneously) at baseline followed by one 40 mg injection every other week from week 1 to week 15 or placebo.

MAIN OUTCOME MEASURES:

Clinical severity (Psoriasis Area and Severity Index [PASI]) and patient-reported outcomes (Dermatology Life Quality Index [DLQI], Short Form 36 [SF-36] health survey, Work Productivity and Activity Impairment [WPAI] questionnaire) were assessed during the trial. The effect of selected co-morbidities (i.e. hypertension, psoriatic arthritis, hyperlipidemia, obesity, depression, other forms of arthritis, diabetes mellitus, and other cardiovascular diseases) on patient-reported outcomes was evaluated using multivariate analysis of covariance models. Subgroup analyses were performed by co-morbidity type to statistically compare the clinical efficacy, patient-reported outcome benefits, and safety of adalimumab with placebo in the presence of these conditions.

RESULTS:

Study co-morbidities were each independently associated with significantly greater impairment on at least one general patient-reported outcome measured at baseline (all p < 0.05), with the exception of hyperlipidemia. During the 16-week study, adalimumab patients demonstrated significantly greater PASI 75 response rates (defined as a reduction of at least 75% in PASI scores from baseline) compared with placebo patients for all co-morbidity subgroups. Adalimumab provided consistent improvements in DLQI, SF-36 Physical Component Summary and Mental Component Summary scores, and WPAI total scores from baseline to week 16 within co-morbidity subgroups. Rates of serious adverse events (AEs), serious infectious AEs, and AEs leading to discontinuation were comparable between adalimumab and placebo for patients with co-morbidities.

CONCLUSIONS:

Co-morbidities were associated with additionally impaired health-related quality of life and work productivity in patients with psoriasis. Adalimumab significantly improved efficacy and patient-reported outcomes and was well tolerated in patients with co-morbidities.

[Indexed for MEDLINE]

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