Ischemic Cardiomyopathy Clinical Trial
Official title:
A Phase II, Randomized, Placebo-Controlled Study of the Safety, Feasibility, & Efficacy of Autologous Mesenchymal Stem Cells & C-kit+ Cardiac Stem Cells, Alone or in Combination, Administered Transendocardially in Subjects With Ischemic HF
This is a phase II, randomized, placebo-controlled clinical trial designed to assess feasibility, safety, and effect of autologous bone marrow-derived mesenchymal stem cells (MSCs) and c-kit+ cells both alone and in combination (Combo), compared to placebo (cell-free Plasmalyte-A medium) as well as each other, administered by transendocardial injection in subjects with ischemic cardiomyopathy.
This is a randomized, placebo-controlled clinical trial designed to evaluate the feasibility, safety, and effect of Combo, MSCs alone, and c-kit+ cells alone compared with placebo as well as each other in subjects with heart failure of ischemic etiology. Following a successful lead-in phase, a total of one hundred forty-four (144) subjects will be randomized (1:1:1:1) to receive Combo, MSCs, c-kit+ cells, or placebo. After randomization, baseline imaging, relevant harvest procedures, and study product injection, subjects will be followed up at 1 day, 1 week, 1 month, 3 months, 6 months and 12 months post study product injection. All subjects will receive study product injection (cells or placebo) using the NOGA® XP Mapping and Navigation System. Subjects will have delayed-enhanced magnetic resonance imaging (DEMRI) scans to assess scar size and LV function and structure at baseline and at 6 and 12 months post study product administration. All endpoints will be assessed at the 6 and 12 month visits which will occur 180 ±30 days and 365 ±30 days respectively from the day of study product injection (Day 0). For the purpose of the endpoint analysis and safety evaluations, the Investigators will utilize an "intention-to-treat" study population, however an as treated analysis will also be conducted. ;
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