Targeting osteoarthritis with small extracellular vesicle therapy: potential and perspectives

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)

Osteoarthritis (OA) is a degenerative joint disease marked by inflammation, cartilage degradation, and pain, leading to a significant decline in quality of life. Recent advancements in extracellular vesicle (EV) research have introduced new therapeutic possibilities, with small extracellular vesicles (sEV) emerging as a promising strategy for OA treatment. sEV, particularly those derived from mesenchymal stem cells (MSCs), synoviocytes, chondrocytes, and induced pluripotent stem cells (iPSCs), demonstrate substantial anti-inflammatory and regenerative properties. These nanosized vesicles facilitate intercellular communication, delivering bioactive molecules that can modulate the joint microenvironment, promote chondrogenesis, and alleviate pain. Preclinical and early clinical studies indicate that sEV-based therapies may slow disease progression and enhance cartilage repair in OA patients. Despite the promising potential, challenges remain, including standardizing isolation techniques, understanding underlying mechanisms, and navigating regulatory pathways. This systematic review analyzes relevant publications published between 2019 and 2025, highlighting the therapeutic and biomarker potential of sEV in OA. Although there is substantial ongoing research into sEV and biomarkers, the fundamental understanding of OA pathogenesis remains largely unchanged, with most studies contin

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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