Sanofi Reports Positive Proof Of Concept Data For Dupilumab In AD

(RTTNews.com) - Sanofi ( SNY ) and Regeneron Pharmaceuticals Inc. ( REGN ) said Saturday that pooled data from two Phase 1b trials with dupilumab (REGN668/SAR231893), an investigational, high-affinity, subcutaneously administered, fully-human antibody targeting the alpha subunit of the interleukin 4 receptor (IL-4R alpha), were presented at the 71st Annual Meeting of the American Academy of Dermatology (AAD) in Miami.

The primary objective of the Phase 1b studies was to assess the safety profile of dupilumab. Other exploratory endpoints included pharmacokinetic, biomarker, and efficacy parameters.

The efficacy data showed that treatment with four weekly subcutaneous injections of dupilumab at either 150 milligrams or 300mg per week, significantly improved the signs and symptoms of patients with moderate-to-severe atopic dermatitis (AD) whose disease was not adequately controlled with topical medications.

Specifically, patients treated with dupilumab had significant improvements in body surface area (BSA) score, Investigator Global Assessment (IGA) score, and Eczema Area Severity Index (EASI) from baseline to week 4 compared to placebo.

The most common adverse events (AEs) were nasopharyngitis (19.6% vs 12.5% for placebo) and headache (11.8% vs 6.3% for placebo).

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