PMID- 38033439 OWN - NLM STAT- PubMed-not-MEDLINE LR - 20231202 IS - 2168-8184 (Print) IS - 2168-8184 (Electronic) IS - 2168-8184 (Linking) VI - 15 IP - 11 DP - 2023 Nov TI - The Safety and Efficacy of Human Umbilical Cord-Derived Mesenchymal Stem Cells in Patients With Heart Failure and Myocardial Infarction: A Meta-Analysis of Clinical Trials. PG - e49645 LID - 10.7759/cureus.49645 [doi] LID - e49645 AB - Evidence from preclinical and clinical studies suggests that human umbilical cord-derived mesenchymal stromal cells (HUC-MSCs) may be useful in treating heart failure and acute myocardial infarction (MI). However, the effects of stem cell therapy on patients with heart failure remain the subject of ongoing controversy, and the safety and effectiveness of HUC-MSCs therapy have not yet been proven. To date, there has been no systematic overview and meta-analysis of clinical studies using HUC-MSCs therapy for heart failure and MI. The purpose of this study is to assess the safety and efficacy of HUC-MSC therapy versus a placebo in patients with heart failure and MI. While preparing this systematic review and meta-analysis, we adhered to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines. A computer literature search of PubMed was performed. We considered randomized controlled trials (RCTs) that reported data on the safety and efficacy of HUC-MSC transplantation in patients with heart failure and MI. Two investigators independently searched the literature, extracted data, and rated the quality of the included research. Pooled data were analyzed using the fixed-effect model or the random-effect model in Review Manager 5.3. The Cochrane risk of bias tool was used to assess the bias of included studies. The primary outcome was ejection fraction (EF), whereas the secondary outcomes were readmission and mortality rates. Three RCTs (201 patients) were included in this meta-analysis. The overall effect did not favor either of the two groups in terms of risk of readmission (risk ratio = 0.5, 95% confidence interval (CI) = 0.22-1.15, p = 0.10) as well as mortality rate (risk ratio = 0.44, 95% CI = 0.14-1.44, p = 0.18). However, there was an improvement in EF in patients who received HUC-MSCs compared to placebo after 12 months of transplantation (mean difference (MD) = 3.21, 95% CI = 2.91-3.51, p < 0.00001). At the six-month follow-up period, there was no significant improvement in EF (MD = 1.30, 95% CI = -1.94-4.54), p = 0.43), indicating that the duration of follow-up can shape the response to therapy. Our findings indicate that HUC-MSC transplantation can improve EF but has no meaningful effect on readmission or mortality rates. Existing evidence is insufficient to confirm the efficacy of HUC-MSCs for broader therapeutic applications. Therefore, additional double-blind RCTs with larger sample sizes are required. CI - Copyright (c) 2023, Abouzid et al. FAU - Abouzid, Mohamed R AU - Abouzid MR AD - Internal Medicine, Baptist Hospitals of Southeast Texas, Beaumont, USA. FAU - Ali, Karim AU - Ali K AD - Internal Medicine, Hennepin Healthcare, Minneapolis, USA. FAU - Kamel, Ibrahim AU - Kamel I AD - Internal Medicine, Steward Carney Hospital, Boston, USA. FAU - Esteghamati, Sadaf AU - Esteghamati S AD - Internal Medicine, University of La Verne, La Verne, USA. FAU - Saleh, Amr AU - Saleh A AD - Faculty of Medicine, Mansoura University, Mansoura, EGY. FAU - Ghanim, Mohammed AU - Ghanim M AD - Internal Medicine, University Hospital Sharjah, Sharjah, ARE. LA - eng PT - Journal Article PT - Review DEP - 20231129 PL - United States TA - Cureus JT - Cureus JID - 101596737 PMC - PMC10686683 OTO - NOTNLM OT - ejection fraction OT - heart failure OT - human umbilical cord-derived mesenchymal stromal cells OT - meta-analysis OT - mortality OT - myocardial infarction OT - regenerative therapy OT - stem cell therapy COIS- The authors have declared that no competing interests exist. EDAT- 2023/11/30 18:45 MHDA- 2023/11/30 18:46 PMCR- 2023/11/29 CRDT- 2023/11/30 17:17 PHST- 2023/11/29 00:00 [accepted] PHST- 2023/11/30 18:46 [medline] PHST- 2023/11/30 18:45 [pubmed] PHST- 2023/11/30 17:17 [entrez] PHST- 2023/11/29 00:00 [pmc-release] AID - 10.7759/cureus.49645 [doi] PST - epublish SO - Cureus. 2023 Nov 29;15(11):e49645. doi: 10.7759/cureus.49645. eCollection 2023 Nov.