Complete Response Letter for gefapixant, an investigational, non-narcotic, oral selective P2X3 receptor antagonist, under development for the treatment of refractory chronic cough – Merck

Merck Inc., known as MSD outside of the United States and Canada, announced that the FDA has issued a Complete Response Letter (CRL) regarding Merck’s New Drug Application (NDA) for gefapixant, an investigational, non-narcotic, oral selective P2X3 receptor antagonist, under development for the treatment of refractory chronic cough (RCC) or unexplained chronic cough (UCC) in adults . In the CRL, […]