Knee surgery recovery gets a digital boost: new app tested in 448-Patient trial
NCT ID NCT07030764
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares standard physical therapy to standard therapy plus a smartphone app (DOCT'UP®) for people recovering from ACL knee surgery. The app provides home exercises that target a common problem called 'arthrogenic muscle inhibition' (AMI), where the thigh muscle doesn't activate properly after injury. Researchers will measure how many patients still have AMI and how well they stick to their rehab program. The goal is to see if the app leads to faster, better recovery.
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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 448 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jul 2025
- Expected to finish
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Jun 2027
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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18 years and older
- 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.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Patient, male or female, aged ≥ 18 years * Patient with a scheduled primary ACL reconstruction * Patient with a smartphone and able to use a mobile application on a smartphone * Patient affiliated to or benefiting from a social security scheme * French-speaking patient who has signed an informed consent form Exclusion Criteria: * Patients with residual AMI * Patient with previous ipsi or contralateral knee surgery * Patient with a multi-ligament injury * Patient with contraindications to physical exercise: severe cardiovascular disease or uncontrolled metabolic disease * Patients with cognitive problems * Patient without internet access * Patient taking part in another study * Pregnant or breast-feeding women * Protected patient: adult under guardianship, curatorship or other legal protection, deprived of liberty by judicial or administrative decision
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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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Hôpital Privé Jean Mermoz
RECRUITINGLyon, France, 69008, France
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Which fixation method best heals a reconstructed ACL?
- Bone scaffold may help ACL grafts heal stronger
- Why some knees freeze after ACL surgery: scientists probe muscle inhibition
- Inside the knee: new navigation tech could make ACL surgery more precise
- Brain and body: new test may predict safe return to sport after knee injury