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New ultrasound tool aims to improve hip replacement precision

NCT ID NCT03555812

Knowledge-focused Sponsor: University Hospital, Brest Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed This study
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tests a portable ultrasound device that measures pelvic tilt, which is important for planning hip replacement surgery. Researchers will check how consistent the measurements are by repeating them on 3 healthy volunteers and then measure pelvic tilt in 30 patients before and after hip replacement. The goal is to see if the device works reliably in different positions and body types.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
navigated ultrasound device
What this could lead to
If successful, this device could help surgeons better plan hip replacements by providing reliable pelvic tilt measurements.
What could go wrong
This is a small, early-stage study focused on device accuracy, not treatment outcomes. It may not lead to improved surgical results or patient benefits.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

33 people

The number who actually took part.

Started

Jul 2018

Finished

Jul 2019

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: For primary endpoint * No medical or surgical history * Major healthy voluntary topic with * Body Mass Index (BMI) \<20 for a subject * 24 \<BMI \<26 for a subject * BMI\> 30 for a subject * Subject having signed an informed consent For the secondary endpoint * Adult patient requiring total hip arthroplasty for severe hip osteoarthritis * Patient having signed an informed consent Exclusion Criteria: * Minor subject * Resumption of total hip prosthesis * Subject who can not express their consent to research * Presence of medical or surgical history for healthy volunteers

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Conditions

The condition(s) this trial relates to.

osteoarthritis, hip

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Arthroplasty, replacement, hip

Contacts and locations

Locations

  • Brest University Hospital

    Brest, 29609, France

  • Clinique de Keraudren

    Brest, 29200, France

More trials for these conditions

Other studies related to the condition(s) this trial covers.