The purpose of this study is to evaluate the mavacamten impact on myocardial structure with cardiac magnetic resonance imaging (CMR) in adult participants with symptomatic obstructive hypertrophic cardiomyopathy (oHCM) \[New York Heart Association (NYHA) Functional Class II or III\].
Specified dose on specified days
Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina
Ciudad Autónoma de Buenos Aires, Buenos Aires, Argentina
Pilar, Buenos Aires, Argentina
Córdoba, Córdoba Province, Argentina
Rosario, Santa Fe Province, Argentina
Buenos Aires, Argentina