Skip to content

Clinical Research Protocol on the Safety and Efficacy of Allogeneic Human Adipose-Derived Mesenchymal Stem Cell Exosomes in the Treatment of Knee Osteoarthritis

Clinical Research Protocol on the Safety and Efficacy of Allogeneic Human Adipose-Derived Mesenchymal Stem Cell Exosomes in the Treatment of Knee Osteoarthritis

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600123490
Enrollment
Unknown
Registered
2026-04-27
Start date
2026-04-29
Completion date
Unknown
Last updated
2026-05-04

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Knee osteoarthritis

Interventions

Low dose group:Allogeneic Human Adipose-derived Mesenchymal Stem Cells Exosomes(Low dose group 1.25×10^11)
High dose group:Allogeneic Human Adipose-derived Mesenchymal Stem Cells Exosomes(High dose group 5×10^11)
Medium dose group:Allogeneic Human Adipose-derived Mesenchymal Stem Cells Exosomes(Medium dose group 2.5×10^11)

Sponsors

The first people's Hospital of Yunnan Province
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 75 Years

Inclusion criteria

Inclusion criteria: 1.Patients diagnosed with knee osteoarthritis (according to the "2021 Osteoarthritis Diagnosis and Treatment Guidelines" by the Orthopaedic Society of the Chinese Medical Association); 2.Kellgren-Lawrence grade II to III; 3.Age between 18-75 years old; 4.VAS pain score (Visual Analog Scale) of 4 or above, and WOMAC pain score >= 2 points; 5.The target knee joint has chronic pain that lasts for at least 3 months, or has poor, intolerable, or unresolvable effects after 3 months of physical/medication treatment; 6.Willing to follow the treatment plan and sign the informed consent form;

Exclusion criteria

Exclusion criteria: 1. Acute inflammatory phase; 2. BMI > 40; 3. History of joint replacement surgery or arthroscopic surgery; 4. Presence of other joint diseases or diseases causing knee pain, such as rheumatoid arthritis, suppurative arthritis, ankylosing spondylitis, anterior cruciate ligament tear, meniscus tear, villonodular synovitis, synovial chondromatosis, traumatic arthritis, infectious diseases, etc.; 5. Presence of systemic diseases, such as uncontrolled severe systemic diseases, tumors, etc.; 6. Intra-articular steroid injection in the knee within 4 weeks; 7. Received stem cell or other biological treatments within the past year; 8. Systemic immunosuppressive medication use within the past year; 9. Use of antirheumatic drugs within the past 3 months (including methotrexate or other antimetabolic drugs); 10. Infectious diseases such as pulmonary tuberculosis, HIV, hepatitis, and syphilis; 11. Fever of unknown origin > 38.0 ?; 12. History of alcohol or drug abuse; 13. Moderate to severe anxiety, depression, or other psychological disorders; 14. Known allergy to any component of the study drug; 15. Does not understand Mandarin or cannot recognize Chinese characters.

Design outcomes

Primary

MeasureTime frame
Incidence of adverse events;Incidence of dose-limiting toxicity;Immunological indicators;

Secondary

MeasureTime frame
safety indicators(Immunological indicators, inflammatory indicators, laboratory tests, vital signs, physical examination);Knee joint pain and functional improvement;Slowing down or inhibiting cartilage degeneration in knee joint osteoarthritis;Exploratory efficacy endpoint (to assess changes in cartilage degradation markers related to cartilage metabolism and inflammation (C-terminal telopeptide of type II collagen (CTX-II)) levels);

Countries

China

Contacts

Public ContactHou Jianhong

The first people's Hospital of Yunnan Province

18808713303@163.com+86 871 63638020

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: May 7, 2026