Clinical trial Recruiting at 1 site Phase 2 Interventional Ages 18 to 30

Effects of Tranexamic Acid on Joint Health After ACL Injury

Official title: Novel Strategies to Combat Post-Traumatic Osteoarthritis (PTOA):The Effects of Tranexamic Acid on Joint Inflammation and Cartilage Health in Anterior Cruciate Ligament Injured Patients

Run by Stanford University · NCT03552705 · Data updated 2026-11-12

This study is testing whether Tranexamic Acid can help young adults with ACL injuries have better joint health and reduce inflammation after their injury.

More Anterior Cruciate Ligament Reconstruction trials

Quick facts

PhasePhase 2
Study typeInterventional
Ages18 Years to 30 Years
SexAll
Enrollment50 (estimated)
SponsorStanford University
Academic / other
Locations1 site (Stanford, California)
StatusRecruiting
StartedAugust 1, 2019
Main results expectedJanuary 14, 2027
Study endsJanuary 14, 2027
Registry record updatedFebruary 27, 2026
Trial IDNCT03552705 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are individuals aged 18-30 who have sustained a unilateral ACL injury within the last four days and exhibit joint effusion or hemarthrosis.

Probably not a fit

Patients with inflammatory arthritis, pre-existing osteoarthritis, or those requiring immediate surgical intervention for other knee injuries may not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This study investigates the impact of Tranexamic Acid (TXA) on joint inflammation and cartilage health in patients who have suffered an anterior cruciate ligament (ACL) injury. TXA is an FDA-approved medication that reduces bleeding and may help prevent post-traumatic osteoarthritis (PTOA) by minimizing inflammation following ACL reconstruction. The study aims to enroll patients aged 18-30 who are within four days of their ACL injury and have joint effusion or hemarthrosis. Participants will receive either TXA or a placebo to assess the effectiveness of TXA in improving joint health.

Why it matters

Potential benefit: If successful, this treatment could significantly reduce the risk of developing arthritis in young patients after ACL injuries.

How similar studies have gone: While the use of TXA in surgical settings is established, this specific application for preventing PTOA in ACL injuries is novel and has not been extensively tested in prior studies.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* age 18-30 years
* within 4 days of unilateral ACL injury
* presence of effusion/hemarthrosis.

Exclusion Criteria:

* inflammatory arthritis, radiographic osteoarthritis (K-L Grade 2 or higher), gout/ pseudogout
* systemic or acute illness requiring medications
* concomitant knee injury aside from meniscus tear and MCL tear not requiring surgery
* prior surgery to either knee
* prior injury to either knee requiring crutches
* history of thromboembolic disease
* current use of combination hormonal contraception
* chronic NSAID use
* cortisone injection to either knee within the prior 3 months
* not indicated for or unable to undergo ACLR within 3 months of injury

Where it's running

  • Stanford University
    Stanford, California, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 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.