RecruitingDrug trialMavacamten Outcomes in Hypertrophic Cardiomyopathy (HCM) and the Associated Patient and Physician Experiences in the USThe purpose of this study is to understand the real-world clinical outcomes and treatment patterns of adults with obstructive hypertrophic cardiomyopathy (HCM) treated with mavacamten, and to understand patient and physician experiences with mavacamten treatment, in the US community-based practice