🏛️ Verified NIH Record • Updated 2026-07-24

A Trial to Investigate the Safety and Efficacy of Intra-articular 4P004 Injection in Subjects With Knee Synovitis and Osteoarthritis (NCT07225829)

A Multicenter, Randomized, Double-blind, Placebo-controlled, Proof of Concept Trial to Investigate the Efficacy and Safety of Intra-articular 4P004 in Subjects With Knee Synovitis and Osteoarthritis

🔵 Active, Not Recruiting Phase2 💊 Investigational Drug / Biologic Sponsor: 4Moving Biotech

🩺 Plain-English Summary (8th-Grade Level)

This phase 2a trial is an international, multicenter, randomized, double-blind, placebo-controlled trial to investigate the efficacy and safety of one single intra-articular (IA) injection of 4P004 or placebo in: * patients between 40 and 80 years of age, * with synovitis and grade 2 to 4 osteoarthritis (OA) of the knee according to Kellgren and Lawrence (KL) classification.

Who can join: Review the eligibility criteria below.

Location: Tucson Orthopaedic Institute — Tucson, Arizona

Age range: 40 Years to 80 Years

🧪 Interventions in This Study

📋 "Do I Qualify?" — 1-Minute Self Screener

Instant Checklist

Full eligibility criteria are available on the official NIH protocol. View the criteria ↗

📍 All Participating Trial Locations (22 Sites)

  • Tucson Orthopaedic Institute — Tucson, Arizona
  • Northwestern University Feinberg School of Medicine — Chicago, Illinois
  • Skylight Health Research Burlington — Burlington, Massachusetts
  • Durham Bone and Joint Specialists — Ajax,
  • SJHC London Rheumatology Centre — London,
  • G.R.M.O. (Groupe de recherche en maladies osseuses) Inc — Québec,
  • Parker Institute Bispebjerg, Frederiksberg Hospital — Frederiksberg,
  • Sanos Clinic Herlev — Herlev,
  • CHU Montpellier — Montpellier,
  • ChU de Nice — Nice,
  • Hôpital Cochin — Paris,
  • Hôpital Lariboisière — Paris,
  • Centre Hospitalier Universitaire CHU de Reims - Hopital Maison Blanche — Reims,
  • Care Access Kraków — Krakow,
  • Centrum Medyczne Reuma Park — Warsaw,
  • MICS Centrum Medyczne Warszawa — Warsaw,
  • Clínica Gaias Santiago — A Coruña,
  • Complejo Hospitalario Universitario de A Coruna - Hospital Universitario de A Coruna — A Coruña,
  • HLA Clínica Vistahermosa — Alicante,
  • Corporacio Sanitaria Parc Tauli - Hospital de Sabadell — Sabadell,
  • Clinica Nuestra Senora de la Esperanza — Santiago de Compostela,
  • Hospital Quirónsalud Sagrado Corazón — Seville,

💰 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 § 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.

💡 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.
🏛️ View Official NIH Record ↗