The Impact of Tibial Tubercle-trochlear Groove Distance and Patellar Height on the Outcome of Isolated Medial Patellofemoral Ligament Reconstruction

The investigators plan to perform a prospective observational cohort study of patients undergoing MPFL reconstruction for the treatment of episodic patellar instability in the absence of significant degenerative disease. The investigators will follow these study subjects for a minimum of two years to monitor their functional and clinical outcome.

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This study is active but is not currently recruiting participants.

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Key information

Conditions

Patellar Dislocation Joint Diseases Joint Dislocations Knee Injuries Leg Injuries Musculoskeletal Diseases Wounds and Injuries

Age range

13 year–90 year

Sex eligibility

All sexes

Study type

Observational

Primary location

University of Minnesota

Minneapolis, Minnesota, 55454, United States

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

MPFL Reconstruction

Exclusion criteria

Trochleoplasty Required
Prior ipsilateral knee surgery
Iwano grade 2+
CHondral injury requiring surgical treatment beyond debridement
Major ligamentous injury to the knee

Treatment and study plan

Observational

Other

No intervention

Primary outcomes

Recurrent Dislocation

Time frame: 2 years

Recurrent Dislocation

Sponsors and collaborators

Lead sponsor

University of Minnesota

Other

Collaborators

International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine
Ohio State University
OrthoSport Victoria

Registry information

Acronym: TT-TG Outcome

Important dates

Study start: 2016
Primary completion: 2023
Study completion: 2026
First posted: Mar 9, 2017
Registry last updated: Jul 14, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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