ACL Reconstruction with Quadriceps Tendon vs. Patellar Tendon Autograft

This study is comparing two common surgical methods for repairing a torn anterior cruciate ligament (ACL) in your knee. Researchers want to see if using a piece of your quadriceps tendon (Quad tendon) works as well as using a piece of your patellar tendon (BTB) for the new ACL. Both procedures use a piece of your own tissue (autograft) to rebuild the ligament. The study will measure knee stability using a special device called a KT-1000 Arthrometer at the time of surgery and 9 months later. You might be able to join if you are between 14 and 65 years old, need ACL reconstruction, and are a good candidate for either type of autograft. The current recruitment status is unclear, but the study plans to enroll 100 participants.

Study design
This is an interventional, randomized controlled trial, meaning participants will be assigned by chance to one of two treatment groups. It plans to enroll 100 participants, with 50 in each group.
What's involved
You would undergo ACL reconstruction surgery using either a quadriceps tendon or patellar tendon autograft. Your knee stability will be measured on the day of surgery and again at a 9-month follow-up clinic visit.
Compensation
Not stated in the trial record.
Follow-up
Participants will be followed for 9 months after their surgery to measure knee stability.

AI-generated from the public study record. Only the study team can confirm whether you're eligible — confirm details with them before making decisions.

NCT05461326

Quadriceps Tendon Versus Bone Patellar Tendon Bone Autograft ACL Reconstruction RCT

Recruiting
NAAges 14–65InterventionalTreatment
University of Alabama at Birmingham
~100 participants
Updated 2026-06-10 on ClinicalTrials.gov
What's tested:Quad tendonBTB

At a glance

Recruiting sites
1 of 1 listed site is recruiting right now
RecruitingSuspended, closed, or not yet open
What they're measuring
KT-1000 Arthrometer
Measured over Operative Day, 9 Months Post-Operative Clinic Visit
Orthopedic Disorder
Anterior Cruciate Ligament Injuries

NCT05461326

Where you'd take part

This study runs at 1 site. They're the same protocol — you choose where, and that choice sets who your contact draft is addressed to.

  • UAB Hospital Highlands

    Birmingham, Alabamastudy coordinator listed

    Recruiting

Sites open and close at different times, so the status above is per site — it can differ from the study's overall status.

  • Amit Momaya, MD · PRINCIPAL_INVESTIGATOR · Department of Orthopaedic Surgery, University of Alabama at Birmingham

Opens a ready-to-send draft in your own email app — review before sending.

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Eligibility criteria

Inclusion

Skeletally mature patients younger 65
ACL insufficiency
Scheduled to undergo autograft ACL reconstruction
Appropriate candidate for autograft harvest

Exclusion

\<14 or 65\>
Poor autograft candidate (poor tissue quality)
Multi ligamentous reconstruction (PCL, MCL, or PLC)
Pregnant or nursing
High likelihood of remaining non-compliant with physical therapy regimen
Desire to return to sport prior to 6 months
Inability to read and write English
  • KT-1000 ArthrometerOperative Day, 9 Months Post-Operative Clinic Visit

    Measures maximum side-to-side difference of laxity (translation of the tibia in comparison to a fix femur)