Understanding the causes and mechanisms of joint scarring after injury or surgery

Cellular origins and molecular mechanisms of arthrofibrosis

NIH-funded research University of Southern California · NIH-11106056

This study is looking into why some people develop painful stiffness in their joints after ACL surgery, with the goal of finding new ways to help prevent or ease this condition without needing more surgery.

Quick facts

Grant typeR01 grant
Study typeNIH-funded research
Funding institutionUniversity of Southern California NIH-funded
Lab location1 site (Los Angeles, UNITED STATES)
Project IDNIH-11106056 on NIH RePORTER

What this research studies

This research investigates arthrofibrosis, a condition characterized by excessive scar tissue formation in joints following injuries or surgeries, particularly focusing on anterior cruciate ligament (ACL) procedures. The study aims to uncover the cellular and molecular processes that lead to this debilitating condition, which causes painful limitations in joint movement. By examining the role of specific cells and inflammatory signals involved in scar tissue development, the research seeks to identify potential non-surgical treatments to prevent or alleviate arthrofibrosis. Patients suffering from joint stiffness and pain after ACL surgery may find this research particularly relevant.

Who could benefit from this research

Good fit: Ideal candidates for this research are individuals who have undergone ACL reconstruction or similar knee surgeries and are experiencing persistent joint stiffness and pain.

Not a fit: Patients who have not had knee surgery or do not suffer from joint stiffness or pain related to arthrofibrosis may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to new treatments that prevent or reduce painful joint scarring, improving recovery outcomes for patients.

How similar studies have performed: While there is ongoing research into joint scarring, this specific investigation into the cellular mechanisms of arthrofibrosis is relatively novel and aims to fill significant gaps in current knowledge.

Where this research is happening

Los Angeles, 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.
Conditions ACL injuryanterior cruciate ligament injury
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.