Comparing acetabular anteversion in patients with femoro-acetabular impingement and healthy volunteers
Official title: Single-center Comparative Study of Variation in Acetabular Anteversion According to Pelvic Tilt in Patients With Femoro-acetabular Impingement and Healthy Volunteers.
Run by GCS Ramsay Santé pour l'Enseignement et la Recherche · NCT05678894 · Data updated 2026-11-12
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
| Study type | Interventional |
|---|---|
| Ages | 18 Years to 50 Years |
| Sex | All |
| Enrollment | 140 (estimated) |
| Sponsor | GCS Ramsay Santé pour l'Enseignement et la Recherche Academic / other |
| Locations | 1 site (Lyon) |
| Status | Recruiting |
| Started | September 28, 2023 |
| Main results expected | September 30, 2026 |
| Study ends | September 30, 2027 |
| Registry record updated | December 3, 2025 |
| Trial ID | NCT05678894 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a 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.
✕Probably 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.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
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.
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 gone: While this specific approach has not been tested before, similar studies in related fields have shown promising results.
Who can join: the full rules
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 it's running
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Clinique de la Sauvegarde
Lyon, France Recruiting
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.