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  • Title: Adalimumab for the treatment of moderate to severe psoriasis: subanalysis of effects on scalp and nails in the BELIEVE study.
    Author: Thaçi D, Unnebrink K, Sundaram M, Sood S, Yamaguchi Y.
    Journal: J Eur Acad Dermatol Venereol; 2015 Feb; 29(2):353-360. PubMed ID: 24846518.
    Abstract:
    BACKGROUND/OBJECTIVE: This post hoc analysis examined the effects of adalimumab in patients with scalp and/or nail psoriasis from BELIEVE (a randomized, controlled, multicentre phase 3 safety and efficacy trial). METHODS: Efficacy was assessed in the pooled treatment group (adalimumab with or without calcipotriol plus betamethasone dipropionate) by Psoriasis Area and Severity Index (75% improvement; PASI 75), Psoriasis Scalp Severity Index (PSSI), Nail Psoriasis Severity Index (NAPSI), Dermatology Life Quality Index (DLQI) and a visual analog scale (VAS) for pain. RESULTS: Of the 730 enrolled patients, 663 (91.3%), 457 (63.1%) and 433 (60.1%) had psoriasis of the scalp, nails, or both, respectively. Similar proportions of patients with (68.2%) and without (63.5%) scalp involvement achieved a PASI 75 response at week 16 [adjusted odds ratio (OR), 1.34; P = 0.320]. PASI 75 response rates were lower in patients with nail psoriasis compared with patients without nail psoriasis at week 8 (53.0% vs. 62.9%; OR, 0.68; P = 0.019) and week 16 (65.0% vs. 73.0%; OR, 0.70; P = 0.052). PASI 75 response rates were 66.1% in patients with scalp and nail involvement and 70.8% in patients without both scalp and nail involvement at week 16 (OR, 0.87; P = 0.423). Patients in all scalp and nail subgroups reported improvements in DLQI and VAS pain scores throughout the study. Patients with scalp psoriasis exhibited large improvements in scalp symptoms demonstrated by a median (mean ± SD) decrease from baseline PSSI at week 16 of 100% (77.2 ± 96.9%). Patients with nail psoriasis improved, demonstrated by a median (mean ± SD) decrease from baseline NAPSI at week 16 of 39.5% (9.4 ± 164.5%). CONCLUSION: Our results indicate that adalimumab improves overall psoriasis and scalp and nail symptoms in this patient population with scalp psoriasis and/or nail involvement. In addition, similar PASI 75 response rates are achieved in patients with and without scalp involvement, whereas patients with nail involvement demonstrate a moderate (perhaps delayed) PASI 75 response rate.
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