Clinical and Radiological Outcomes of the ROMAX Hip Resurfacing System

NCT ID: NCT06775704

Last Updated: 2025-09-25

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Total Enrollment

150 participants

Study Classification

OBSERVATIONAL

Study Start Date

2025-07-14

Study Completion Date

2037-04-01

Brief Summary

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The goal of this observational study is to collect clinical and radiological data to monitor the safety and performance of the ROMAX hip resurfacing system. The main parameter that will be measured is the rate of revisions at 10 years.

Detailed Description

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This single-center, post-market, prospective, longitudinal, and uncontrolled cohort study aims to evaluate the survival rate of the Medacta ROMAX hip resurfacing system, particularly focusing on dislocations and the potential consequences of wear over a 10-year period. Additionally, the study will assess clinical performance through patient-reported outcomes (PROMs) and analyze the migration behavior of the device using the CTMA method in a subgroup of 40 patients. The study will include a total of 150 cases, with 40 patients undergoing CTMA analysis at 3 years post-surgery. Eligible patients will be informed during preoperative visits and included upon signing the consent form, prior to surgery. Participation in the CTMA subgroup is optional and does not affect overall study inclusion. Follow-ups will be conducted at 3 months, 1, 3, 5, and 10 years. Data collection will include clinical scores, clinical and radiological data related to preoperative and postoperative status, and perioperative surgical details.

Conditions

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Arthritis (Hip) Hip Dysplasia, Congenital

Study Design

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Observational Model Type

COHORT

Study Time Perspective

PROSPECTIVE

Study Groups

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ROMAX

Patients undergoing hip resurfacing surgery with ROMAX system

Hip resurfacing system

Intervention Type DEVICE

Hip resurfacing with ROMAX system

Interventions

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Hip resurfacing system

Hip resurfacing with ROMAX system

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Patients eligible for hip resurfacing, suitable for the implantation of a Medacta ROMAX hip resurfacing system according to the manufacturer's defined indication for use.
* Aged between 18 and 65 years at the time of surgery.
* Ability and willingness to provide written informed consent for participation.

Exclusion Criteria

* Active infection
* BMI \> 40
* Mental illness, when the known pathology is likely to compromise the patient's ability to consent, affect the patient's assessment of their progress, or complete follow-up appointments and exams.
* Significantly deformed anatomy (at the surgeon's discretion)
* Osteomalacia where the fixation of an uncemented implant is contraindicated
* Active rheumatoid arthritis
* Osteoporosis
* Metabolic disorders likely to impair bone formation and for which the fixation of an uncemented implant is contraindicated
* Muscle atrophy or neuromuscular disease
* Known allergy or hypersensitivity to the implant material
* Any patient who cannot or does not wish to give informed consent to participate in the study
* Patients whose chances of regaining independent mobility would be compromised by known concomitant medical issues.
Minimum Eligible Age

18 Years

Maximum Eligible Age

65 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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Medacta International SA

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Centre Hospitalier Universitaire de Lille

Lille, , France

Site Status RECRUITING

Countries

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France

Central Contacts

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Marco Viganò, PhD

Role: CONTACT

+41 0916966060

Other Identifiers

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P 01.012.07

Identifier Type: -

Identifier Source: org_study_id

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