An experimental drug from Cytokinetics has shown promising Phase 3 results in improving heart function during exercise for patients with obstructive hypertrophic cardiomyopathy (oHCM), a rare cardiovascular disease. The drug, aficamten, demonstrated a significant increase in peak oxygen uptake compared to a placebo and had a consistent treatment effect across patient subgroups. The drug works by stabilizing the heart muscle protein myosin to prevent excessive contractions. In comparison to a similar drug on the market, aficamten showed a potential advantage in terms of safety profile and could support a less restrictive Risk Evaluation and Mitigation Strategy program. The full results of the study will be presented at an upcoming medical conference.
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