Regeneron, Sanofi announce initiation of dupilumab Phase 3 study in adults with atopic dermatitis

Regeneron Pharmaceuticals, Inc. (NASDAQ: REGN) and Sanofi (EURONEXT: SAN and NYSE: SNY) today announced that the first patients have been dosed in a Phase 3 clinical study of dupilumab, an investigational therapy that blocks IL-4 and IL-13 signaling, in adults with moderate-to-severe atopic dermatitis (AD) that is not adequately controlled with topical AD medications.

LIBERTY AD CHRONOS, the first trial in the Phase 3 clinical program for dupilumab, is a randomized, double-blind, placebo-controlled, multi-national study with the primary objective of demonstrating the efficacy of dupilumab in adults with moderate to severe AD when administered concomitantly with topical corticosteroids through 16 weeks. Secondary objectives of the study will evaluate the long-term safety and efficacy of dupilumab up to 52 weeks. The trial will enroll approximately 700 adult patients.

"Moderate-to-severe atopic dermatitis is a serious disease characterized by severe itching, sleep disturbances and widespread rash, and existing treatment options have limited efficacy," said Donald Y. M. Leung, MD, PhD, a member of the LIBERTY AD Clinical Trials Steering Committee and Head of the Division of Pediatric Allergy and Immunology at National Jewish Health in Denver, CO. "This Phase 3 program will evaluate if blocking IL-4 and IL-13, two key cytokines in the Th2 inflammatory pathway, may provide a potential new approach for this chronic, difficult-to-manage disease."


Regeneron Pharmaceuticals, Inc.


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