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Adalimumab for the treatment of psoriasis in real life: a retrospective cohort of 119 patients at a single S panish centre
Author(s) -
LópezFerrer A.,
Vilarrasa E.,
Gich I.J.,
Puig L.
Publication year - 2013
Publication title -
british journal of dermatology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.304
H-Index - 179
eISSN - 1365-2133
pISSN - 0007-0963
DOI - 10.1111/bjd.12543
Subject(s) - medicine , hazard ratio , discontinuation , psoriasis , adalimumab , cohort , adverse effect , proportional hazards model , retrospective cohort study , confidence interval , surgery , rheumatoid arthritis , dermatology
Summary Background Patients with moderate‐to‐severe psoriasis treated with adalimumab in daily clinical practice are different from those in clinical trials, and outcomes may differ in different geographical settings. Objectives To analyse the efficacy, retention of treatment and adverse events in a cohort of such patients at a referral centre in B arcelona, S pain. Methods Data from a cohort of 119 consecutive patients treated between J anuary 2008 and M arch 2013 were retrospectively collected. Drug survival was analysed by the K aplan– M eier method with log‐rank test and C ox regression. Results The mean duration of treatment was 25 months (median 22, range 2–60). The 75% improvement in P soriasis A rea and S everity I ndex ( PASI 75) response rates at 16 weeks, 6 months and 1 year of treatment were 64%, 58% and 53%, respectively (intention‐to‐treat analysis). The corresponding PASI 90 values were 49%, 52% and 50%. Biologic‐naive patients (41%) had significantly higher PASI 75 and PASI 90 response rates at 6 months and 1 year. On multivariate analysis, only PASI 90 response at 6 months was significantly associated with treatment retention ( P  = 0·0009), with a hazard ratio of 7·3 (95% confidence interval 2·3–23·6). Forty‐eight adverse events ( AE s) occurred in 29 patients, and were serious in eight (0·032 events per patient‐year). Paradoxical flares of psoriasis or arthritis were seen in five patients. Infections accounted for seven serious AE s, and were the reason for discontinuation in two patients. Conclusions PASI 90 response at 6 months was the only independent variable predicting drug survival on multivariate analysis. Infections, including de novo infection by M ycobacterium tuberculosis , accounted for seven serious AE s.

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