Exercise Performance With Aficamten vs Metoprolol in Obstructive Hypertrophic Cardiomyopathy: The MAPLE-HCM Randomized Clinical Trial.
Of 175 randomized participants (mean [SD] age, 57.7 [13.2] years; 102 [58.3%] male), 165 (94%) had core laboratory-validated exercise tests at baseline and week 24.