Could a simple injection after a broken ankle prevent arthritis?

NCT ID NCT03652753

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests whether injecting N-acetylcysteine (NAC), an antioxidant, into the ankle right after a severe pilon fracture can keep cartilage cells alive and reduce the chance of developing post-traumatic arthritis. Thirty adults with closed high-energy pilon fractures will receive either NAC or a saline placebo during their initial surgery. The researchers will then check cartilage cell health during the follow-up surgery about two weeks later.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance
N-acetylcysteine
What this could lead to
If it works, this could point toward a simple injection to prevent arthritis after severe ankle fractures.
What could go wrong
This is a very small early-phase trial with only 30 people, and it is testing a lab-measured outcome (cell viability) rather than long-term arthritis prevention. The effect seen in animals may not translate to humans.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • University of Missouri Health System

    RECRUITING

    Columbia, Missouri, 65212, United States

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