Sanofi and Regeneron have announced they plan to file a supplemental biologics licence application (sBLA) with the FDA for Dupixent® (dupilumab) to treat chronic obstructive pulmonary disease (COPD) by the end of 2023. This application will be based on two phase III clinical trials.
On 20 October 2023, Sanofi and Regeneron received a complete response letter from the FDA regarding its sBLA for Dupixent® for its use in chronic spontaneous urticaria.