Cytokinetics Says MYQORZO Approved By China NMPA For Treatment Of Adults With NYHA Class II-III Obstructive Hypertrophic Cardiomyopathy To Improve Exercise Capacity And Symptoms

Approval Triggers Milestone Payment of $7.5 Million from Sanofi; 

Cytokinetics Eligible to Receive Additional Milestone Payments and Royalties on Net Sales in Greater China

SOUTH SAN FRANCISCO, Calif., Dec. 17, 2025 (GLOBE NEWSWIRE) -- Cytokinetics, Incorporated (NASDAQ:CYTK) today announced that MYQORZO® (aficamten) has been approved by the China National Medical Products Administration (NMPA) for the treatment of adults with New York Heart Association (NYHA) class II-III obstructive hypertrophic cardiomyopathy (oHCM), to improve exercise capacity and symptoms.

Under the terms of its license and collaboration agreement with Cytokinetics, Sanofi has exclusive rights to develop and commercialize MYQORZO for the treatment of patients with obstructive and non-obstructive hypertrophic cardiomyopathy (HCM) in Greater China. The approval of MYQORZO in oHCM in China triggers a $7.5 million milestone payment from Sanofi to Cytokinetics. Cytokinetics remains eligible to receive up to $142.5 million in development and commercial milestone payments from Sanofi as well as royalties in the low-to-high teens on future sales of MYQORZO in Greater China.

MYQORZO is only approved for use in China. Aficamten is currently under regulatory review in the U.S, where the FDA is reviewing a New Drug Application (NDA) for aficamten with a Prescription Drug User Fee Act (PDUFA) target action date of December 26, 2025. On December 12, 2025 the Committee for Medicinal Products for Human Use (CHMP) of the EMA adopted a positive opinion recommending marketing authorization in the European Union (EU) for aficamten, and a final decision is anticipated from the European Commission in the first quarter of 2026.