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The purpose of this study is to determine whether it is safe to receive an injection of your own bone marrow adult stem cells (autologous BM-MNC) to your heart wall during coronary artery bypass graft (CABG).
The experimental design will be a Phase I safety trial in which all subjects from the VA Salt Lake City Health Care System presenting with CAD and associated depressed LV function requiring myocardial surgical revascularization will be eligible for enrollment. Patients enrolled in the study will receive autologous BM-MNC as adjunct to CABG. The primary outcome measure will be safety as measured by the incidence of postoperative Serious Adverse Events (SAE) and Adverse Events (AE). The secondary outcome measures will be LV function, myocardial perfusion, and clinical improvement. The trial will have one experiment with one patient group. Group 1 (n=15) will follow standard Phase I dose escalation curve on a magnitude of 0.5 log increase after every third patient. Dose escalation will continue until a dosage of 1 x108 cells/pt is reached or maximum tolerated dose equivalent (MTDE) is identified. Cellular therapeutic products such as BM-MNCS do not possess the same pharmacologic profile as small molecule drugs, and thus, do not possess predictable metabolic activity and metabolite production, as do traditional pharmaceuticals. This can make the identity of a maximum tolerated dose somewhat difficult. We are therefore using the term MTDE instead of MTD to indicate a cell dosage that is consistent with clinical morbidity beyond obvious clinical benefit. The characteristics identifying a MTDE could be any adverse event felt to be related to the actual cell dosage or its escalation. Although unlikely, MTDE events could include microembolic phenomena, hematoma at the injection site, obvious myocardial congestion or ischemia at the injection site.
Allocation: Non-Randomized, Control: Historical Control, Endpoint Classification: Safety Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment
Autologous stem cell therapy, CABG, CMRI
VA Salt Lake City Health Care System, Salt Lake City
Salt Lake City
Department of Veterans Affairs
Published on BioPortfolio: 2014-08-27T03:38:57-0400
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The transfer of STEM CELLS from one individual to another within the same species (TRANSPLANTATION, HOMOLOGOUS) or between species (XENOTRANSPLANTATION), or transfer within the same individual (TRANSPLANTATION, AUTOLOGOUS). The source and location of the stem cells determines their potency or pluripotency to differentiate into various cell types.
Transfer of HEMATOPOIETIC STEM CELLS from BONE MARROW or BLOOD between individuals within the same species (TRANSPLANTATION, HOMOLOGOUS) or transfer within the same individual (TRANSPLANTATION, AUTOLOGOUS). Hematopoietic stem cell transplantation has been used as an alternative to BONE MARROW TRANSPLANTATION in the treatment of a variety of neoplasms.
Transfer of MESENCHYMAL STEM CELLS between individuals within the same species (TRANSPLANTATION, HOMOLOGOUS) or transfer within the same individual (TRANSPLANTATION, AUTOLOGOUS).
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