Blocking NOX4 to reduce muscle scarring after spinal cord injury

Influence of NOX4 activity on muscle fibrosis after spinal cord injury

NIH-funded research Veterans Health Administration · NIH-11446449

A drug that blocks the NOX4 enzyme to lower muscle scarring and help people with spinal cord injuries regain muscle strength.

Quick facts

Grant typeNIH-funded research
Study typeNIH-funded research
Funding institutionVeterans Health Administration NIH-funded
Lab location1 site (Gainesville, United States)
Project IDNIH-11446449 on NIH RePORTER

What this research studies

Researchers will use a rat model that mimics long-term muscle scarring and weakness after spinal cord injury to test blocking NOX4. They will use both genetic approaches and a drug called GKT831 to reduce the scar-forming cells (myofibroblasts) in muscle. The team will measure muscle scarring, muscle size, and muscle force to see whether NOX4-blocking reduces fibrosis and improves function. Successful results in the animal model would guide future human trials targeting muscle fibrosis after SCI.

Who could benefit from this research

Good fit: People with spinal cord injury who have developed persistent muscle fibrosis, weakness, or contractures would be the likely candidates for future trials of NOX4 inhibitors.

Not a fit: People whose limb problems are caused mainly by nerve loss rather than muscle fibrosis, or those without established fibrosis, may not benefit from a NOX4-targeted treatment.

Why it matters

Potential benefit: If successful, this could lead to a treatment that reduces muscle scarring, improves muscle strength, and makes rehabilitation more effective for people with spinal cord injuries.

How similar studies have performed: Preclinical work in muscular dystrophy and fibrosis in heart, kidney, liver, and lung has shown that blocking NOX4 or using GKT831 can reduce fibrosis and improve tissue function, so this builds on promising animal data.

Where this research is happening

Gainesville, 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.