NCT02408276

Brief Summary

Femoroacetabular impingement (FAI) is one of the most common mechanisms leading to the development of early cartilage and labral damage in the non-dysplastic hip. Anatomic abnormalities of the proximal femur and/or acetabulum result in repetitive injury during dynamic hip motion, leading to abnormal regional loading of the femoral head-neck junction against the acetabular rim. The resulting damage to the cartilage, labrum, and surrounding capsular structures predispose the patient to developing hip pain and early osteoarthritic changes. Clinically, patients with FAI are a heterogeneous group, with a wide array of presentation from pain to instability that may or may not be related to activity. To date no studies have identified specific prognostic indicators associated with successful surgical treatment of FAI, leaving surgeons without adequate criteria to determine which patients are best suited for arthroscopy. The investigators propose to address this critical knowledge gap by identifying the patient characteristics and morphological features of the hip that are associated with the optimal clinical outcomes in patients undergoing hip arthroscopy or non-operative management for treatment of suspected FAI in order to establish a treatment algorithm for FAI patients.

Trial Health

87
On Track

Trial Health Score

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

Enrollment
130

participants targeted

Target at P50-P75 for all trials

Timeline
Completed

Started Dec 2014

Longer than P75 for all trials

Geographic Reach
1 country

1 active site

Status
completed

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 Start

First participant enrolled

December 1, 2014

Completed
4 months until next milestone

First Submitted

Initial submission to the registry

March 27, 2015

Completed
7 days until next milestone

First Posted

Study publicly available on registry

April 3, 2015

Completed
10.7 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 18, 2025

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 18, 2025

Completed
Last Updated

December 22, 2025

Status Verified

February 1, 2025

Enrollment Period

11.1 years

First QC Date

March 27, 2015

Last Update Submit

December 18, 2025

Conditions

Outcome Measures

Primary Outcomes (1)

  • degree of cartilage degeneration

    degree of cartilage degeneration at 5 years post-presentation based on changes in cartilage morphology assessed using MRI (a two-dimensional fast spin echo sequence in the coronal and sagittal planes).

    5 years post operation

Secondary Outcomes (1)

  • dGEMERIC MRI measurements

    2 year post operation

Study Arms (1)

dGEMERIC MRI technique

All tests and imaging are part of standard of care except follow up MRI, which will be performed in a random group from within the cohort and paid for through this grant.

Other: dGEMERIC MRI technique

Interventions

Patients will be treated surgically (hip arthroscopy) or nonoperatively (physical therapy) and pain medications as needed. For surgical patients, cartilage samples and surgeon operative reports will be a source of research. For both cohorts, MRIs, radiographs and patient reported outcome surveys will be additional research sources. All tests and imaging are part of standard of care except follow up MRI, which will be performed in a random group from within the cohort and paid for through this grant.

dGEMERIC MRI technique

Eligibility Criteria

Age10 Years - 35 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64)
Sampling MethodNon-Probability Sample
Study Population

35 years of age or younger enrolled in the HSS Hip Preservation Registry prior to September 30, 2016 with an MRI confirmed diagnosis of FAI

You may qualify if:

  • Patients who agree to participate must complete a baseline questionnaire consisting of: 1) Modified Harris Hip Score (MHHS), an overall measure of hip condition; 2) the Hip Outcome Score (HOS), a measure developed specifically for younger active patients that measures quality of life and levels of sports and recreation; and 3) International Hip Outcome Tool (iHOT33), a newly developed hip specific outcome score, which measures a number of subscores relating to physical and social functioning with hip problems.

You may not qualify if:

  • Patients over age 35 will be excluded as the focus of this study is early changes that may predispose to later degenerative changes.
  • Patients undergoing revision hip arthroscopy as their first treatment in the Registry will not be eligible, as these are patients who have failed initial therapy.
  • Patients with no complete questionnaires at any time point will be excluded.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Hospital for Special Surgery

New York, New York, 10021, United States

Location

MeSH Terms

Conditions

Femoracetabular Impingement

Condition Hierarchy (Ancestors)

Joint DiseasesMusculoskeletal DiseasesPathologic ProcessesPathological Conditions, Signs and Symptoms

Study Officials

  • Stephen Lyman, PhD

    Hospital for Special Surgery, New York

    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 27, 2015

First Posted

April 3, 2015

Study Start

December 1, 2014

Primary Completion

December 18, 2025

Study Completion

December 18, 2025

Last Updated

December 22, 2025

Record last verified: 2025-02

Locations