New ACL repair: does age matter?
NCT ID NCT03348995
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study is testing a new way to repair torn ACLs called the BEAR procedure, where a special implant and the patient's own blood are used to help the ligament heal naturally. Researchers want to see if younger or older patients have better results two years after surgery. About 250 people with recent ACL tears will take part, and their knee function and safety will be tracked.
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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 250 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2018
- Expected to finish
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Apr 2034
An estimate. End dates often move.
- Lead sponsor
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A company
The lead sponsor is a pharmaceutical, biotech, or medical-device company.
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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12 to 80 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: ACL tear, within 50 days of injury, at least 5% of the ACL attached to the tibia. \- Exclusion Criteria: Prior surgery on the affected knee, history of knee infection, use of tobacco, use of corticosteroid, chemotherapy, allergy to bovine products or gelatin, history of anaphylaxis, BMI over 35, moderate osteoarthritis. \-
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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.
Contacts and locations
Locations
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Boston Children's Hospital
Boston, Massachusetts, 02115, United States
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Cynthia Chrostek
Providence, Rhode Island, 02903, United States
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Emory University School Of Medicine
Atlanta, Georgia, 30329, United States
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Florida Orthopedic Institute
Tampa, Florida, 33637, United States
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Inova Sports Medicine
Fairfax, Virginia, 22031, United States
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MedStar Health Surgery Center of Timonium
Lutherville, Maryland, 21093, United States
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Ochsner Sports Medicine Institute
New Orleans, Louisiana, 70121, United States
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Orthopedic Institute of Sioux Falls
Sioux Falls, South Dakota, 57105, United States
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Scripps Health
San Diego, California, 92121, United States
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UT Southwestern
Dallas, Texas, 75390, United States
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Virtua Health
Marlton, New Jersey, 08053, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Could a surgical tourniquet skew a key knee stability test?
- Pressure cuff on the leg: a new way to ease pain after ACL surgery?
- Can a surgical device prevent stiff knee after ACL surgery?
- Can muscle activity patterns guide ACL recovery?
- Knee surgery tension: a hidden key to arthritis prevention?
- Can the ankle fully recover after donating a tendon for ACL repair?