A systematic review and meta-analysis of clinical trials of mesenchymal stem cell therapy for cartilage repair.

 

Review Published 15th of September 2017
BY: Borakati et al.

Osteoarthritis (OA) is a major global burden creating significant morbidity worldwide. Current curative therapies are expensive, challenging to access and have significant risks, making them infeasible and difficult in many cases. Mesenchymal stem cells (MSCs) can be applied to joints and may regenerate the cartilage damaged in OA, this therapy may be advantageous to existing treatments. We systematically reviewed clinical trials of MSCs for cartilage repair and provide an overview of the literature in this area here. MEDLINE, Embase, CENTRAL, clinicaltrials.gov and OpenGrey were searched for controlled trials and case series with >5 patents involving MSC therapy for cartilage repair. The controlled trials were meta-analysed and the primary outcome measure was improvement in pain over the control group. A narrative synthesis was composed for the case series. A significant reduction in pain was found with the use of MSCs over controls: Standardised mean difference= -1.27 (95% Confidence intervals -1.95 to -0.58). However, the data was extremely heterogeneous with I2=95%, this may be attributed to differing therapies, clinical indication for treatment and joints treated amongst others. Case series showed improvements in treated patients with a variety of differing treatments and by many outcomes. There were no severe adverse outcomes found across all studies that could be attributed to MSCs, implying their safety. We conclude that MSCs have significant potential for the treatment of OA, however, larger, more consistent trials are needed for conclusive analysis.

REF: Borakati, A., Mafi, R. and Khan, W. (2017). A systematic review and meta-analysis of clinical trials of mesenchymal stem cell therapy for cartilage repair. Current Stem Cell Research and Therapies.

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