U.S. FDA Approves Update to the Label for WINREVAIRTM (sotatercept-csrk) to Include Data from the Phase 3 HYPERION Trial Evaluating Adults Recently Diagnosed with Pulmonary Arterial Hypertension (PAH, WHO* Group 1 Pulmonary Hypertension)

RAHWAY, N.J.--(BUSINESS WIRE)--Merck (NYSE: MRK), known as MSD outside of the United States and Canada, today announced the U.S. Food and Drug Administration (FDA) has approved an update to the U.S. product label for WINREVAIRTM (sotatercept-csrk) for injection, 45mg, 60mg, based on the Phase 3 HYPERION trial. WINREVAIR, an activin signaling inhibitor, is FDA-approved for the treatment of adults with pulmonary arterial hypertension (PAH, WHO Group 1 pulmonary hypertension) to improve exercise ca