New therapy hopes to boost knee recovery in teens after ACL surgery
NCT ID NCT07015541
First seen Jun 27, 2026 · Last updated Jul 24, 2026 · Updated 3 times
Summary
This study looks at whether adding two extra treatments—neuromuscular electrical stimulation (NMES) and blood flow restriction (BFR)—to standard physical therapy can help teens recover better after ACL reconstruction. Forty adolescents who had ACL surgery will be assigned to either standard therapy or standard therapy plus NMES and BFR. Researchers will measure knee strength and movement during jumping to see if the extra treatments make a difference.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- NMES (neuromuscular electrical stimulation) and BFR (blood flow restriction) during exercise
- What this could lead to
- If successful, this could lead to a more effective physical therapy approach for teens recovering from ACL surgery, helping them regain knee strength and function faster.
- What could go wrong
- This is a small, early-stage study with only 40 participants, so results may not apply to everyone. The added interventions may not provide significant benefit over standard therapy.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 20 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Aug 2026
An estimate. Start dates often move.
- Expected to finish
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Nov 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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13 to 17 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * no history of knee injury/surgery of the contralateral limb Exclusion Criteria: * (1) bilateral knee injuries * (2) prior knee ligament injury and/or surgery * (3) multiple ligament injuries and/or ruptures * (4) conditions in which NMES and BFR are contraindicated
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Stanford Medicine Children's Health
RECRUITINGSunnyvale, California, 94087, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- MRI 3D knee models could eliminate radiation in surgery planning
- Stem cell byproduct may boost ACL graft healing — trial puts it to the test
- Can a cuff that restricts blood flow speed up ACL recovery?
- Vibration therapy may reduce second ACL injury risk
- Could an extra stitch save Kids' ACL repairs? new trial aims to find out
- ACL surgery study halted: did tourniquet use matter?