A Phase 1/2 Multicenter, Open-Label, Dose-Escalation and Dose-Expansion Trial to Assess the Safety, Tolerability, Pharmacodynamics, and Preliminary Efficacy of AFTX-201 Administered to Adult Participants With BCL2-Associated Athanogene 3 (BAG3) Mutation-Associated Dilated Cardiomyopathy: UPBEAT Trial | Arctuva