Comparing acetabular anteversion in patients with femoro-acetabular impingement and healthy volunteers

Single-center Comparative Study of Variation in Acetabular Anteversion According to Pelvic Tilt in Patients With Femoro-acetabular Impingement and Healthy Volunteers.

Not applicable Interventional GCS Ramsay Santé pour l'Enseignement et la Recherche · NCT05678894

This study is testing how the angle of the hip socket differs between people with hip pain from femoro-acetabular impingement and healthy individuals in various positions.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment140 (estimated)
Ages18 Years to 50 Years
SexAll
SponsorGCS Ramsay Santé pour l'Enseignement et la Recherche Academic / other
Locations1 site (Lyon)
Trial IDNCT05678894 on ClinicalTrials.gov

What this trial studies

This study aims to compare acetabular anteversion measurements in patients with symptomatic femoro-acetabular impingement (DWI) and healthy volunteers across different pelvic positions. Participants will undergo cross-sectional imaging and 3D reconstruction to assess acetabular anteversion in standing, sitting, and maximum hip flexion positions. The study will include a preoperative workup for symptomatic patients, including X-rays and CT scans, while healthy volunteers will also undergo similar imaging for comparative analysis. This is the first study to provide reference values for acetabular anteversion in a control population.

Who should consider this trial

Good fit: Ideal candidates include individuals aged 18 to 50 with a confirmed diagnosis of symptomatic femoro-acetabular impingement who are scheduled for arthroscopic surgery.

Not a fit: Patients who have previously undergone surgery on the same hip or have other significant medical conditions may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could improve the understanding of acetabular anteversion in patients with femoro-acetabular impingement, potentially leading to better surgical outcomes.

How similar studies have performed: While this specific approach has not been tested before, similar studies in related fields have shown promising results.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion criteria for symptomatic patients:

* Patient at least 18 years of age but \< 50 years of age
* Patient with a confirmed diagnosis of DWI for whom arthroscopic impingement surgery is proposed
* Patient who has given and signed free and informed consent
* A patient who is a member of a social security plan or a beneficiary of such a plan

Healthy volunteer inclusion criteria:

* Person at least 18 years of age but \< 50 years of age
* Person with no existing DWI diagnosis
* Person who has given and signed free and informed consent
* Person affiliated with a social security plan or beneficiary of such a plan

Exclusion Criteria:

* Patient who has already undergone surgery on the same hip
* Patient with previous spine surgery
* Patient already included in the study for the opposite hip
* Pregnant or breastfeeding patient
* Patient who did not give consent
* Patient for whom it is impossible to give informed information
* Mentally impaired or any other reason that may interfere with understanding
* Patient under court protection, guardianship or curatorship
* Patient in an exclusion period as determined by another study

Where this trial is running

Lyon

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Femoro-acetabular Impingement
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.