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Br J Dermatol. 2014 Mar;170(3):705-15. doi: 10.1111/bjd.12636.

Impact of brodalumab treatment on psoriasis symptoms and health-related quality of life: use of a novel patient-reported outcome measure, the Psoriasis Symptom Inventory.

Author information

1
Department of Dermatology, Northwestern University, Feinberg School of Medicine, 676 N. St Clair St, Suite 1600, Chicago, IL, 60611, U.S.A.

Abstract

BACKGROUND:

Psoriasis symptoms have a significant negative impact on health-related quality of life, impairing physical functioning and well-being.

OBJECTIVE:

To evaluate the impact of brodalumab, a human anti-interleukin-17R monoclonal antibody, on psoriasis symptom severity as measured by a novel patient-reported outcome measure, the Psoriasis Symptom Inventory, and dermatology-specific health-related quality of life as measured by the Dermatology Life Quality Index (DLQI).

METHODS:

This was a secondary analysis of a phase II, randomized, double-blind, placebo-controlled clinical study of patients with moderate-to-severe psoriasis (n = 198) treated with brodalumab or placebo. This analysis assessed Psoriasis Symptom Inventory scores and DLQI scores over time. Analyses were conducted on all patients who were randomized and received one or more injections of the study drug according to intention to treat using last observation carried forward to impute missing data.

RESULTS:

At week 12, subjects in the brodalumab groups had significant improvements in mean Psoriasis Symptom Inventory total scores [8.5 (70 mg), 15.8 (140 mg), 16.2 (210 mg) and 12.7 (280 mg)] compared with placebo (4.8). Mean improvements in DLQI were clinically meaningful (≥ 5.7) in the brodalumab groups (6.2, 9.1, 9.6 and 7.1, respectively) and significantly greater than placebo (3.1). Improvements in Psoriasis Symptom Inventory were observed as early as week 2 and in DLQI by week 4. All eight Psoriasis Symptom Inventory item scores improved significantly among the brodalumab groups by week 12.

CONCLUSIONS:

Results were from a single randomized clinical trial and may not generalize to broader patient populations. However, treatment with brodalumab provided significant improvement in psoriasis symptoms in patients with moderate-to-severe psoriasis.

TRIAL REGISTRATION:

ClinicalTrials.gov NCT00975637.

PMID:
24079852
PMCID:
PMC4153951
DOI:
10.1111/bjd.12636
[Indexed for MEDLINE]
Free PMC Article
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