RecruitingPhase 2Drug trialStudy to Evaluate Safety, Tolerability and Drug Levels of BMS-986435/MYK-224 in Participants With Heart Failure With Preserved Ejection Fraction (HFpEF)The purpose of this study is to evaluate the safety, tolerability, and exposure-response (E-R) of BMS-986435/MYK-224 in participants with symptomatic Heart Failure with Preserved Ejection Fraction (HFpEF).