A Study About the Natural History in Adults With BAG3 Dilated Cardiomyopathy (a Type of Heart Disease) (BAG3 DCM)

Exclusion Criteria

• •Acute decompensated heart failure within 1 month prior to enrollment.(such as hospitalization)
• •Any of the following within 3 months prior to screening: myocardial infarction (MI), cardiac surgical procedures (other than for pacemaker/ICD/CRT-defibrillator \[CRT-D\] implantation), acute coronary syndrome, or hospitalization for cardiac arrhythmia.
• •History of heart transplantation
• •eGFR \<30 mL/min/1.73 m2 (significantly impaired kidney function)
• •Noncardiac condition that limits lifespan to \<1 year.
• •Presence of other form(s) of cardiomyopathy contributing to heart failure
• •Previous administration with an investigational drug within 30 days (or as determined by the local requirement).
• •No more than 3 first-degree members of the same family who are already participating in the study