๐Ÿ›๏ธ Verified NIH Record โ€ข Updated 2026-07-30

A Phase 2b/3a Study to Evaluate the Efficacy and Safety of JointStem in Patients Diagnosed as Knee Osteoarthritis (NCT04368806)

A 48-Weeks, Phase 2b/3a, Double-Blind, Randomized, Placebo Controlled, Multi-center, Superiority Study to Evaluate the Efficacy and Safety of JointStem, Autologous Adipose Tissue Derived Mesenchymal Stem Cells in Patients Diagnosed as Knee Osteoarthritis

๐Ÿ”ต Active, Not Recruiting Phase2 / Phase3 ๐Ÿ’Š Investigational Drug / Biologic Sponsor: Nature Cell Co. Ltd.

๐Ÿฉบ Plain-English Summary (8th-Grade Level)

This study is a double-blind, randomized, placebo controlled, multi-center, superiority study to evaluate the efficacy and safety of JointStem, autologous adipose tissue derived mesenchymal stem cells (AdMSC), in patients diagnosed as knee osteoarthritis. Following a 2-week screening period, approximately 140 subjects will be randomly assigned into one of the following two arms in a 1:1 ratio (1 JointStem : 1 Placebo). After each subject completes 48-Weeks visit (Visit 8) and the data management team confirms all individual data have no issue, the individual database will be locked and the blinding will be open for the statistical analysis.

Who can join: Review the eligibility criteria below.

Location: TriWest Research Associates โ€” El Cajon, California

Age range: 18 Years

๐Ÿงช Interventions in This Study

๐Ÿ“‹ "Do I Qualify?" โ€” 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria โ†—

๐Ÿ“ All Participating Trial Locations (9 Sites)

  • TriWest Research Associates โ€” El Cajon, California
  • BioSolutions Clinical Research Center โ€” La Mesa, California
  • Neurovations Research โ€” Napa, California
  • Newport Therapeutics โ€” Newport Beach, California
  • Source Healthcare โ€” Santa Monica, California
  • Keimyung University Dongsan Hospital โ€” Daegu, Korea
  • Kyung Hee University Medical Center โ€” Seoul, Korea
  • Kyung Hee University Hospital At Gangdong โ€” Seoul, Korea
  • Smg-Snu Boramae Medical Center โ€” Seoul, Korea

๐Ÿ’ฐ Cost, Insurance & Patient Rights

  • 100% Free Items: The investigational treatment and protocol-required procedures are supplied at zero cost by the sponsor.
  • Routine Patient Care: Under federal law (ACA ยง 2709) and many state statutes, routine care costs are covered during participation.
  • Voluntary Participation: You may withdraw at any time without affecting your standard medical care.

๐Ÿ’ก How to Participate

  1. Check the checklist above to see if you may qualify.
  2. Review the official NIH record below to find the coordinating site.
  3. Ask about the visit schedule, what is covered at no cost, and any travel support.
  4. Confirm with your own doctor before making a decision.
๐Ÿ›๏ธ View Official NIH Record โ†—