Phosphatase Inhibition by Intracoronary Gene Therapy in Subjects With Non-Ischemic NYHA Class III Heart Failure

This is a Phase 2 adaptive, double-blinded, placebo-controlled, randomized, multi-center trial study to evaluate the safety and efficacy of a single dose of AB-1002, administered via antegrade intracoronary artery infusion, in males and females age \>18 years with non-ischemic cardiomyopathy and NYHA Class III symptoms of HF. Subjects will be randomized into one of three treatment groups in a 1:1:1