RecruitingGenetic interventionAn AAV Gene Therapy Trial of AFTX-201 in Adults With BAG3-Associated Dilated Cardiomyopathy (DCM)This is a Phase 1/2, open-label, dose-exploration and dose-expansion, clinical trial evaluating the safety, tolerability, pharmacodynamics, and preliminary efficacy of a single intravenous infusion of AFTX-201 in adults with dilated cardiomyopathy caused by a BAG3 gene mutation