Erica Friedman • May 14, 2025
Cytokinetics Announces Positive Topline Results From MAPLE-HCM

Trial Studies Aficamten in Improving Peak Exercise Capacity in Patients with Obstructive Hypertrophic Cardiomyopathy

Cytokinetics, Incorporated (Nasdaq: CYTK) today announced positive topline results from MAPLE-HCM (Metoprolol vs Aficamten in Patients with LVOT Obstruction on Exercise Capacity in HCM), a Phase 3 clinical trial comparing aficamten as monotherapy to the standard of care beta blocker metoprolol as monotherapy in patients with symptomatic obstructive hypertrophic cardiomyopathy (HCM).

MAPLE-HCM met its primary endpoint, demonstrating a statistically significant improvement in peak oxygen uptake (pVO2) from baseline to Week 24 for aficamten compared to metoprolol. The safety and tolerability profile of aficamten was favorable in comparison to metoprolol in MAPLE-HCM.

The full results from MAPLE-HCM will be presented at an upcoming medical conference.


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