Tralokinumab plus topical corticosteroids for the treatment of moderate-to-severe atopic dermatitis: results from the double-blind, randomized, multicentre, placebo-controlled phase III ECZTRA 3 trial*

Document Type

Journal Article

Publication Date

3-1-2021

Journal

British Journal of Dermatology

Volume

184

Issue

3

DOI

10.1111/bjd.19573

Abstract

© 2020 The Authors. British Journal of Dermatology published by John Wiley & Sons Ltd on behalf of British Association of Dermatologists Background: Tralokinumab is a fully human monoclonal antibody that specifically neutralizes interleukin-13, a key driver of atopic dermatitis (AD). Objectives: To evaluate the efficacy and safety of tralokinumab in combination with topical corticosteroids (TCS) in patients with moderate-to-severe AD who were candidates for systemic therapy. Methods: This was a double-blind, placebo plus TCS controlled phase III trial. Patients were randomized 2 : 1 to subcutaneous tralokinumab 300 mg or placebo every 2 weeks (Q2W) with TCS as needed over 16 weeks. Patients who achieved an Investigator’s Global Assessment (IGA) score of 0/1 and/or 75% improvement in Eczema Area and Severity Index (EASI 75) at week 16 with tralokinumab were rerandomized 1 : 1 to tralokinumab Q2W or every 4 weeks (Q4W), with TCS as needed, for another 16 weeks. Results: At week 16, more patients treated with tralokinumab than with placebo achieved IGA 0/1: 38·9% vs. 26·2% [difference (95% confidence interval): 12·4% (2·9–21·9); P = 0·015] and EASI 75: 56·0% vs. 35·7% [20·2% (9·8–30·6); P < 0·001]. Of the patients who were tralokinumab responders at week 16, 89·6% and 92·5% of those treated with tralokinumab Q2W and 77·6% and 90·8% treated with tralokinumab Q4W maintained an IGA 0/1 and EASI 75 response at week 32, respectively. Among patients who did not achieve IGA 0/1 and EASI 75 with tralokinumab Q2W at 16 weeks, 30·5% and 55·8% achieved these endpoints, respectively, at week 32. The overall incidence of adverse events was similar across treatment groups. Conclusions: Tralokinumab 300 mg in combination with TCS as needed was effective and well tolerated in patients with moderate-to-severe AD.

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