New PDUFA Action Date of December 13, 2025 $75 Million Royalty Purchase Agreement Payment from RTW Extended Through 2025 MONTREAL and CHARLOTTE, N.C., July 11, 2025 (GLOBE NEWSWIRE) -- Milestone® Pharmaceuticals Inc. (Nasdaq: MIST) (Milestone) today announced that the U.S. Food and Drug Administration (FDA) has accepted for review Milestone’s response to issues raised in the Complete Response Letter (CRL) for CARDAMYST™ (etripamil) nasal spray, an investigational, novel therapy for the treatment of patients ...