NCT03076008

Brief Summary

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.

Trial Health

75
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
201

participants targeted

Target at P75+ for all trials

Timeline
2mo left

Started Oct 2016

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
active not recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress99%
Oct 2016Jun 2026

Study Start

First participant enrolled

October 1, 2016

Completed
5 months until next milestone

First Submitted

Initial submission to the registry

March 6, 2017

Completed
3 days until next milestone

First Posted

Study publicly available on registry

March 9, 2017

Completed
6.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

March 31, 2023

Completed
3.3 years until next milestone

Study Completion

Last participant's last visit for all outcomes

June 30, 2026

Expected
Last Updated

January 8, 2026

Status Verified

January 1, 2026

Enrollment Period

6.5 years

First QC Date

March 6, 2017

Last Update Submit

January 5, 2026

Conditions

Patellar Dislocation

Outcome Measures

Primary Outcomes (1)

  • Recurrent Dislocation

    Recurrent Dislocation

    2 years

Study Arms (1)

MPFL Reconstruction

Subjects undergoing MPFL Reconstruction

Other: Observational

Interventions

ObservationalOTHER

No intervention

MPFL Reconstruction

Eligibility Criteria

Age13 Years - 90 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)
Sampling MethodNon-Probability Sample
Study Population

Patients undergoing MPFL reconstruction for patella instability

You may qualify if:

  • MPFL Reconstruction

You may not qualify if:

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

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University of Minnesota

Minneapolis, Minnesota, 55454, United States

Location

MeSH Terms

Conditions

Patellar Dislocation

Interventions

Watchful Waiting

Condition Hierarchy (Ancestors)

Joint DislocationsJoint DiseasesMusculoskeletal DiseasesWounds and InjuriesKnee InjuriesLeg Injuries

Intervention Hierarchy (Ancestors)

Outcome Assessment, Health CareOutcome and Process Assessment, Health CareQuality of Health CareHealth Services Administration

Study Officials

  • Elizabeth Arendt

    University of Minnesota

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
observational
Observational Model
COHORT
Time Perspective
PROSPECTIVE
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 6, 2017

First Posted

March 9, 2017

Study Start

October 1, 2016

Primary Completion

March 31, 2023

Study Completion (Estimated)

June 30, 2026

Last Updated

January 8, 2026

Record last verified: 2026-01

Locations

US(1)