A Trial to Evaluate the Efficacy and Safety of Ninerafaxstat in Patients With Symptomatic Non-obstructive Hypertrophic Cardiomyopathy

Select Inclusion Criteria: * Has a clinical diagnosis of HCM consistent with current American College of Cardiology/American Heart Association and European Society of Cardiology Guideline definitions * Has had confirmation of nHCM by the echocardiography core laboratory based on screening rest and exercise stress echocardiography * New York Heart Association (NYHA) functional Class II or III at screening * Functional limitation as defined by a screening CPET Select Exclusion Criteria: * Has a known or suspected infiltrative, genetic, or storage disorder causing cardiac hypertrophy that mimics nHCM * Has any other condition judged by the investigator to be the primary cause of dyspnea, exercise intolerance, and/or angina * Has an inability to exercise on a treadmill or bicycle (eg, orthopedic limitations) * Has any medical condition that precludes upright exercise stress testing Other protocol-defined inclusion and exclusion criteria apply.