Treatment for Pilon Fractures with N-Acetylcysteine Injection

Prevention of Cartilage Cell Death Following a Pilon Fracture With Intra-articular Injection of N-Acetylcysteine (Pilon NAC)

Phase 4 Interventional University of Missouri-Columbia · NCT03652753

This study is testing if an injection of N-acetylcysteine can help people with high energy pilon fractures avoid developing arthritis after their injury.

Quick facts

PhasePhase 4
Study typeInterventional
Enrollment30 (estimated)
Ages18 Years and up
SexAll
SponsorUniversity of Missouri-Columbia Academic / other
Locations1 site (Columbia, Missouri)
Trial IDNCT03652753 on ClinicalTrials.gov

What this trial studies

This clinical trial investigates the use of N-acetylcysteine (NAC) as an intra-articular injection for patients with high energy pilon fractures. The study aims to assess whether NAC can reduce the incidence of post-traumatic osteoarthritis (PTOA), a common complication following these injuries. Participants will receive either NAC or saline as a control during a staged surgical procedure. The trial is designed to evaluate the effectiveness of NAC in improving long-term outcomes for patients suffering from this type of fracture.

Who should consider this trial

Good fit: Ideal candidates for this study are adults aged 18 and older with closed high energy pilon fractures requiring a staged surgical procedure.

Not a fit: Patients with open fractures, intra-articular injuries not requiring a staged procedure, or those with allergies to NAC may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could significantly reduce the risk of developing post-traumatic osteoarthritis in patients with pilon fractures.

How similar studies have performed: While the use of NAC in this context is novel, other studies have explored its benefits in different orthopedic applications, suggesting potential for success.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Closed high energy pilon fracture requiring a staged procedure

Exclusion Criteria:

* Younger than 18
* Open fracture
* Intra-articular injury not requiring a staged procedure
* Allergy to NAC
* Wounds preventing safe intra-articular injection
* Unwilling to participate in the study
* Pregnancy

Where this trial is running

Columbia, Missouri

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Pilon Fracture
Last reviewed 2026-06-10 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.