Condition
ACL Tear clinical trials and research
As of November 12, 2026, Find a Trial lists 5 ACL Tear clinical trials that are recruiting, at sites in 2 countries (most in United States (4), United Kingdom (1)). By phase: Phase 2 (1). Every study is explained in plain English. Data from ClinicalTrials.gov and NIH RePORTER, updated November 12, 2026.
- 5Clinical trials
- 2Countries
Newest ACL Tear clinical trials
| Study | Phase | Where | Status | Registered |
|---|---|---|---|---|
| Quadriceps strengthening after ACL reconstruction in adolescents | — | Sunnyvale, California | Recruiting | Jun 11, 2025 |
| Assessing soleus muscle strength in patients with ACL tears | — | Liverpool | Recruiting | Feb 1, 2024 |
| Using metformin to reduce knee pain after ACL surgery | Phase 2 | Atlanta, Georgia and 8 other locations | Recruiting | Oct 23, 2023 |
| Evaluating ACL and ALL Reconstruction in Children | — | Chicago, Illinois | Recruiting | Apr 1, 2021 |
| Accelerated MRI techniques for assessing cartilage health | — | Cleveland, Ohio | Recruiting | Sep 2, 2020 |
All recruiting trials (5)
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Quadriceps strengthening after ACL reconstruction in adolescents
This project will test whether adding neuromuscular electrical stimulation (NMES) and blood flow restriction (BFR) training to standard physical therapy improves knee strength and movement in adolescents after ACL reconstruction.
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Assessing soleus muscle strength in patients with ACL tears
This study is testing the strength of a muscle in the calf of people with ACL tears to see how it compares to their uninjured leg and to healthy volunteers.
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Using metformin to reduce knee pain after ACL surgery
This study is testing if metformin can help reduce knee pain and prevent arthritis in people recovering from ACL surgery.
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Evaluating ACL and ALL Reconstruction in Children
This study is testing if kids who have surgery for a knee ligament injury do better when they have two ligaments fixed instead of just one.
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Accelerated MRI techniques for assessing cartilage health
This study is testing new, faster MRI methods to see if they can help people at risk for osteoarthritis by checking the health of their cartilage more accurately.
Related topics
Quick answers
How many ACL Tear clinical trials are recruiting right now?
5, as of November 12, 2026. We update this list each time we refresh our data from ClinicalTrials.gov.
Where are these trials running?
In 2 countries. The most sites are in United States (4 trials), United Kingdom (1 trial). Each study page lists its sites and which ones are recruiting.
What phases are they in?
Phase 2: 1. Trials with no phase listed are usually device, behavioural or observational studies.
How do I join one?
Open a study, check the "Is this trial a fit for you?" section, then contact the study team listed on the page. They will ask a few screening questions. Asking is free and does not commit you to anything. Talk it over with your doctor first.
Find the studies that fit you
A list is a starting point. Tell us your situation in your own words and we'll rank the studies that match and explain why. It's free and needs no account.