Rapid-acting pain relief in knee osteoarthritis: autologous-cultured adipose-derived mesenchymal stem cells outperform stromal vascular fraction: a systematic review and meta-analysis.

Relatively higher-quality human studies compared with other topics in this database, e.g. multiple RCTs or systematic reviews. This does not mean it is standard or approved care.

• Level A · Stronger Clinical Evidence
• Level B · Emerging clinical evidence with positive signals
• Level C · Early human research exploring benefits
• Level D · Scientific groundwork from lab and animal studies
• Emerging · Emerging topic under active research

Abstract (original English)

Background Knee osteoarthritis (OA) is a leading cause of disability, with current treatment options often falling short of providing satisfactory outcomes. Autologous-cultured adipose-derived mesenchymal stem cells (ADMSCs) and stromal vascular fractions (SVFs) have emerged as potential regenerative therapies. Methods A comprehensive search was conducted among multiple databases for studies up to June 2023. The risk of bias was assessed in randomized and non-randomized studies, adhering to PRISMA guidelines. The study has been registered with PROSPERO (CRD 42023433160). Results Our analysis encompassed 31 studies involving 1,406 patients, of which, 19 studies with 958 patients were included in a meta-analysis, examining both SVF and autologous-cultured ADMSC methods. Significant pain reduction was observed with autologous-cultured ADMSCs starting at 3 months (MD = -2.43, 95% CI, -3.99, -0.86), whereas significant pain mitigation in response to SVF therapy was found to start at 12 months (MD = -2.13, 95% CI, -3.06, -1.21). Both autologous-cultured ADMSCs and SVF provided significant improvement in knee function starting at 12 months (MD = -9.19, 95% CI, -12.48, -5.90 vs. MD = -9.09, 95% CI, -12.67, -5.51, respectively). We found no evidence of severe adverse events linked directly to ADMSC therapy. Conclusion Autologous-cultured ADMSCs offer a promising alternative for more rap

Evidence level

Relatively higher-quality human studies compared with other topics in this database, e.g. multiple RCTs or systematic reviews. This does not mean it is standard or approved care.

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