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Published in: American Journal of Clinical Dermatology 2/2019

01-04-2019 | Original Research Article

Efficacy and Safety of Brodalumab in Patients with Moderate-to-Severe Plaque Psoriasis and Skin of Color: Results from the Pooled AMAGINE-2/-3 Randomized Trials

Authors: Amy McMichael, Seemal R. Desai, Aamir Qureshi, Shipra Rastogi, Andrew F. Alexis

Published in: American Journal of Clinical Dermatology | Issue 2/2019

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Abstract

Background

Data on treatment outcomes in patients with psoriasis who have skin of color are limited. Brodalumab has shown efficacy in patients with moderate-to-severe plaque psoriasis.

Objective

Our objective was to evaluate the efficacy, safety, and health-related quality of life associated with brodalumab in patients with skin of color participating in two phase III, multicenter, randomized, double-blind, placebo- and active comparator–controlled studies (AMAGINE-2/-3).

Methods

Patients were self-categorized into racial subgroups (black, Asian, or white) or the non-mutually exclusive ethnic subgroup Hispanic/Latino. Patients were randomized to receive brodalumab 210 mg every 2 weeks (Q2W) or ustekinumab (45 mg in patients weighing ≤ 100 kg and 90 mg in patients weighing > 100 kg) for 52 weeks. Skin clearance was monitored using the Psoriasis Area and Severity Index (PASI) and Static Physician’s Global Assessment (sPGA). Treatment-emergent adverse events (TEAEs) were summarized by treatment and racial and ethnic subgroup. Health-related quality of life was assessed using the Dermatology Life Quality Index (DLQI).

Results

During the 12-week induction phase, 613 patients received ustekinumab (black, n = 20; Asian, n = 24; white, n = 551; Hispanic/Latino, n = 68) and 1236 patients received brodalumab 210 mg Q2W (black, n = 36; Asian, n = 39; white, n = 1116; Hispanic/Latino, n = 132). At week 52, a total of 590 patients received continuous ustekinumab (black, n = 19; Asian, n = 23; white, n = 532; Hispanic/Latino, n = 64) and 339 patients were re-randomized to continue receiving brodalumab 210 mg Q2W (black, n = 10; Asian, n = 7; white, n = 308; Hispanic/Latino, n = 40). Among patients who received brodalumab 210 mg Q2W, skin clearance response rates were similar across racial and ethnic subgroups at week 12 and week 52; rates of 75%, 90%, and 100% improvement in PASI from baseline were also higher, as was sPGA score ≤ 1, than in patients who received ustekinumab across all racial and ethnic subgroups. Rates of TEAEs and ≥ 5-point improvement in DLQI score were similar across racial and ethnic subgroups.

Conclusions

Brodalumab 210 mg Q2W is well tolerated and efficacious across diverse racial and ethnic subgroups in patients with psoriasis, including black, Asian, white, and Hispanic/Latino patients.

Trial Registry

ClinicalTrials.gov identifier NCT01708603 (AMAGINE-2); NCT01708629 (AMAGINE-3).
Appendix
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Metadata
Title
Efficacy and Safety of Brodalumab in Patients with Moderate-to-Severe Plaque Psoriasis and Skin of Color: Results from the Pooled AMAGINE-2/-3 Randomized Trials
Authors
Amy McMichael
Seemal R. Desai
Aamir Qureshi
Shipra Rastogi
Andrew F. Alexis
Publication date
01-04-2019
Publisher
Springer International Publishing
Published in
American Journal of Clinical Dermatology / Issue 2/2019
Print ISSN: 1175-0561
Electronic ISSN: 1179-1888
DOI
https://doi.org/10.1007/s40257-018-0408-z

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