Mesenchymal stem cell-based therapy for type 1 & 2 diabetes mellitus patients: a systematic review and meta-analysis of randomized controlled trials.

Authors

Muataz Kashbour, Abubaker Abdelmalik, Mazen Negmeldin Aly Yassin, Mohamed Abed, Ebtesam Aldieb, Duha Milad Abdullah, Taher Elmozugi, Yosser Isawi, Eman Hassan, Fakhruddin Almuzghi

Published in

Diabetology & metabolic syndrome. Volume 17. Issue 1. Pages 189. Jun 03, 2025. Epub Jun 03, 2025.

Abstract

To systematically and statistically evaluate evidence from randomized controlled trials (RCTs) investigating the efficacy and safety of somatic stem cells in achieving glycemic control in type 1 and 2 diabetic patients.
Bibliographic databases including PubMed, Scopus, Web of Science, and Cochrane Library were searched from the time of their establishment till January 2024. Obtained records were meticulously screened by title, abstract, and full text to include only RCTs seeking mesenchymal stem cells (MSCs) treatment for type 1 diabetes mellitus (T1DM) and 2 diabetes mellitus (T2DM). Included studies underwent quality assessment using the Cochrane risk of bias 2 tool (ROB2).
Thirteen studies were deemed eligible for meta-analysis, encompassing 507 patients (T1DM = 199, T2DM = 308). To measure treatment efficacy, the present meta-analysis was conducted on outcomes reported after 12 months following treatment. MSCs therapy group was associated with a significantly reduced glycosylated hemoglobin (HbA1c) compared to the control group, MD = -0.72; 95% CI: [-1.11 to -0.33], P = 0.0003, I² = 56%. Daily insulin requirement was lower in the MSCs group versus placebo, MD = -14.50; 95% CI: [-19.45 to -9.55], P < 0.00001, I² = 0%. Pooled fasting C-peptide levels were significantly higher in the MSCs group compared to placebo, MD = 0.24; 95% CI: [0.05 to 0.43], P = 0.01, I² = 93%. Postprandial blood glucose (PPBG) was observed to be significantly lower in the MSCs arm in contrast to placebo, MD = -11.32; 95% CI: [-16.46 to -6.17], P < 0.0001, I² = 17%. However, pooled analysis of fasting blood glucose (FBG) was not significantly different between both groups, MD = -6.22; 95% CI: [-24.23 to 11.79], P = 0.50, I² = 81% at the end of the 12-month follow-up.
Mesenchymal stem cell-derived therapy is an efficacious glycemia-lowering modality agent compared to conventional therapy in T1DM and T2DM patients. Albeit more sizeable and longer RCTs are warranted to further support and standardize their clinical use.

PMID:
40462158
Bibliographic data and abstract were imported from PubMed on 04 Jun 2025.

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