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Hip replacement study halted early: what it means for pelvic movement

NCT ID NCT04587440

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
The trial has finished. Results may not be published yet.
Stopped early This study
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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study aimed to see how total hip replacement changes the way the pelvic bone moves during daily activities like sitting and standing. Researchers used an ultrasound device to measure pelvic tilt in 15 people with hip arthritis before and after surgery. The study was terminated early, so the findings are limited and not conclusive.

What this could mean

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

What this could lead to
If successful, this could help surgeons better understand how hip replacement affects pelvic movement, potentially reducing dislocation risks.
What could go wrong
The study was terminated early and enrolled only 15 people, so results are very limited and may not apply to most patients.

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

15 people

The number who actually took part.

Started

Feb 2021

Finished

Feb 2022

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

Not accepted

This study is not open to healthy volunteers. The entry requirements below say who it is open to.

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 : * Patient with primary or secondary hip arthritis, at stage II to III of the radiological classification of Tönnis and for whom total hip replacement is indicated by surgeon. * Signed consent * Patient beneficiary of a social security plan Exclusion Criteria: * Patient Under 18 * Patient Under protective measure (guardianship, curatorship) or unable to consent * Patient requiring revision THR * Patient with geographic mobility plan before the end of the follow-up * Symptomatic contralateral hip * Symptomatic dorsolumbar rachis * Pelvis or spine surgery planed during the follow-up * Pregnant or nursing woman

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Conditions

The condition(s) this trial relates to.

Neoplasm Metastasis osteoarthritis, hip

As listed by the trial registrant

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

Coxarthrosis; primary Coxarthrosis; secondary

Contacts and locations

Locations

  • CHRU de Brest

    Brest, 29200, France

More trials for these conditions

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