Dupixent sBLA for Chronic Spontaneous Urticaria

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FDA has accepted for review a Regeneron Pharmaceuticals supplemental BLA for Dupixent (dupilumab) for treating adults and adolescents aged 12 years and older with chronic spontaneous urticaria (CSU) that is not adequately controlled with the current standard of care (H1 antihistamine treatment). The company describes CSU as an inflammatory skin condition driven in part by Type 2 inflammation, which causes sudden hives and swelling on the skin. The agency has set a review action target date of 10/22.

The submission is based on data from two Phase 3 trials (LIBERTY-CUPID Studies A and B) evaluating Dupixent in two different patient populations with uncontrolled CSU. Study A assessed CSU patients who were uncontrolled on standard-of-care antihistamines, and Study B was conducted in CSU patients who were uncontrolled on standard-of-care antihistamines and refractory to omalizumab, according to the company.

Regeneron says Dupixent’s development program has demonstrated clinical benefit and a decrease in Type 2 inflammation in Phase 3 trials, “establishing that IL-4 and IL-13 are key and central drivers of the Type 2 inflammation that plays a major role in multiple related and often co-morbid diseases. These diseases include approved indications for Dupixent, such as atopic dermatitis, asthma, chronic rhinosinusitis with nasal polyposis (CRSwNP), prurigo nodularis and eosinophilic esophagitis (EoE).”

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