Evaluation of Return to Sports Activity After Periacetabular Osteotomy: An Observational Study (PAO-R)

May 12, 2026 updated by: Istituto Ortopedico Rizzoli
This study aims to collect datas about patient who underwent periacetabular osteotomy

Study Overview

Status

Enrolling by invitation

Intervention / Treatment

Detailed Description

The aim of the study is to understant the long term effet of the periacetabular osteotomy in terms of pain relief, patient satisfaction and ability to return to sports

Study Type

Observational

Enrollment (Estimated)

26

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Locations

      • Bologna, Italy, 40136
        • IRCCS Istituto Ortopedico Rizzoli

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Child
  • Adult

Accepts Healthy Volunteers

No

Sampling Method

Non-Probability Sample

Study Population

patients undergoing periacetabular osteotomy

Description

Inclusion Criteria:

  • Patients of both sexes who underwent periacetabular osteotomy (PAO) at the sites of the Istituto Ortopedico Rizzoli (IOR) in Bologna (CORTI), Argenta, and Bagheria between 2017 and March 2025
  • Postoperative follow-up ≥ 6 months
  • Complete clinical and radiographic documentation available for retrospective analysis
  • Willingness to participate in the study
  • Age at the time of surgery between 12 and 40 years

Exclusion Criteria:

  • Patients unable to provide informed consent, unable to understand and decide, or minors whose parents/legal guardians do not provide informed consent
  • Patients with previous or ongoing oncological diseases, if associated with a potential impact on joint function or bone healing

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

Cohorts and Interventions

Group / Cohort
Intervention / Treatment
patient undergoing periacetabular osteootmy
periacetabular osteotomy

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Measure Description
Time Frame
return to sport
Time Frame: follow-up of 6 months
The percentage of patients who return to their preoperative sports activity
follow-up of 6 months

Secondary Outcome Measures

Outcome Measure
Measure Description
Time Frame
failure rate
Time Frame: follow-up of 6 months
determine the failure rate of PAO during follow-up
follow-up of 6 months
level of pain post operative
Time Frame: follow-up of 6 months
Pain assessment using the Visual Analog Scale (VAS)
follow-up of 6 months

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Actual)

November 4, 2025

Primary Completion (Estimated)

January 1, 2027

Study Completion (Estimated)

January 1, 2027

Study Registration Dates

First Submitted

April 30, 2026

First Submitted That Met QC Criteria

May 12, 2026

First Posted (Actual)

May 15, 2026

Study Record Updates

Last Update Posted (Actual)

May 15, 2026

Last Update Submitted That Met QC Criteria

May 12, 2026

Last Verified

May 1, 2026

More Information

Terms related to this study

Plan for Individual participant data (IPD)

Plan to Share Individual Participant Data (IPD)?

NO

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

Clinical Trials on Hip Surgeries

Clinical Trials on Correction Factor

Subscribe