A Phase 2A, Double-blind, Randomized, Placebo-controlled, Multi-center Study to Evaluate the Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of BMS-986435/MYK-224 in Participants With Heart Failure With Preserved Ejection Fraction (HFpEF)

Inclusion Criteria \- Adult participants with stable, symptomatic HFpEF with a normal heart pumping ability. Exclusion Criteria * Participants must not have a known diagnosis of obstructive or genetic hypertrophic cardiomyopathy or infiltrative/storage disorder such as cardiac amyloidosis, or any other acute or serious condition that could interfere with assessments during the study or may pose a risk to the participant. * Other protocol-defined Inclusion/Exclusion criteria apply.