Measuring Knee Laxity and Pivot Shift in ACL-Deficient Patients

Starting soon

Conditions studied: Anterior Cruciate Ligament (ACL) Tear

In brief

The goal of this observational study is to learn whether the Robotic Knee Testing system can measure knee looseness in adults with an anterior cruciate ligament, or ACL, tear. The main question it aims to answer is whether measurements from the Robotic Knee Testing system are related to the doctor's pivot shift exam grade. Participants will complete one study visit before ACL reconstruction. During the visit, both knees will be tested in the Robotic Knee Testing system. Researchers may also review existing medical information and imaging.

Key facts

Study ID

NCT07688967

Run by

Arthroresearch LLC

People needed

25

Starts

2026-07-07

Expected to finish

2027-07-01

Last updated by the study team

2026-07-07

Who can join

Age: 18 and older, up to 65. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Adults aged 18-65 years
• Confirmed ACL tear by MRI or arthroscopic diagnosis
• Able to provide informed consent

You may not qualify if…

• Prior major surgery on the affected knee
• Multi-ligament knee injury
• Active infection or inflammatory arthropathy
• Inability to tolerate passive motion testing
• Pregnant or planning to become pregnant during the study period
• Unable to provide informed consent

Where it is running

• Trailer — Atlanta, Georgia, United States

Full record on ClinicalTrials.gov

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