Pediatric and Adolescent Patellar Instability

Enrolling by invitation · Not applicable

Conditions studied: Patellar Instability

In brief

This is a multi-center, randomized controlled clinical trial, the purpose of which is to determine if patients age 25 and younger who undergo medial patellofemoral ligament (MPFL) reconstruction have lower rates of recurrent instability compared to those treated non-operatively. The MPFL is a ligament that stabilizes the kneecap, and maintains its proper position in the groove on the femur (thighbone). Instability refers to a situation in which the kneecap moves out of place, or dislocates. When instability is recurrent, it occurs more than once in the same knee.

Key facts

Study ID

NCT02333825

Run by

Hospital for Special Surgery, New York

People needed

240

Starts

2015-12-01

Expected to finish

2026-12-01

Last updated by the study team

2026-02-13

Who can join

Age: 8 and older, up to 25. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Patients must be age 25 or younger
• Patients must be first-time dislocators, meaning have had only one episode of patellar instability, during which they dislocated their patella (kneecap)

You may not qualify if…

• Patients with more than one episode of patellofemoral instability
• Patients who have had prior patellofemoral surgery on the knee of interest
• Patients with large cartilage tears in the knee. These patients will undergo stabilization of the patellofemoral joint (MPFL reconstruction) as per standard of care, and will not be included in the study.

Full record on ClinicalTrials.gov

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