Injectable engineered treatment for post‑traumatic osteoarthritis

Engineered Biotherapeutic Agent for Treatment of Post-Traumatic Osteoarthritis

NIH-funded research Provizigen LLC · NIH-10935988

This project will try an injectable gel that slowly releases anti‑inflammatory and cartilage‑protecting medicine into injured knees to help people who develop post‑traumatic osteoarthritis after ACL or other joint injuries.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionProvizigen LLC NIH-funded
Lab location1 site (New York, United States)
Project IDNIH-10935988 on NIH RePORTER

What this research studies

The team developed HydroGEN, a protein‑engineered hydrogel that forms a gel inside the joint and provides sustained release of an anti‑inflammatory, chondroprotective molecule. In a rabbit ACL‑transection model, giving HydroGEN immediately after injury largely prevented post‑traumatic cartilage degeneration, and giving it eight weeks later promoted cartilage repair. This SBIR project is focused on moving that approach toward use in people by preparing for early clinical testing of safety, joint retention time, and biological effects on inflammation and cartilage.

Who could benefit from this research

Good fit: People with recent knee joint injuries such as ACL tears who are at risk for or in the early stages of post‑traumatic osteoarthritis would be the most likely candidates.

Not a fit: Patients with advanced, end‑stage osteoarthritis or those whose joint problems are not related to traumatic injury are unlikely to benefit from this early cartilage‑protective approach.

Why it matters

Potential benefit: If successful, the treatment could reduce inflammation, slow or stop cartilage breakdown after joint injury, and lower the chance of needing early joint replacement.

How similar studies have performed: Preclinical animal studies, including the developer's rabbit ACL model, have shown benefit, but human clinical evidence for this specific hydrogel approach is still limited.

Where this research is happening

New York, United States

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.