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Can live X-Ray guidance make hip implants fit better?

NCT ID NCT05653687

Symptom relief Sponsor: Ente Ospedaliero Cantonale, Bellinzona Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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 Results may not be published yet.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
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This status has not been confirmed recently, so it may be out of date.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 Sep 11, 2026 · Last updated Sep 11, 2026

Summary

Researchers are testing whether using intraoperative fluoroscopy, a live X-ray video, helps surgeons position hip replacement components more accurately than the standard freehand method. The trial enrolls 84 adults undergoing a first total hip replacement through a direct anterior approach. After surgery, the team measures implant angles on routine follow-up X-rays to compare the two techniques.

What this could mean

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

Active substance
intraoperative fluoroscopy, a real-time X-ray video used during surgery
What this could lead to
If fluoroscopy helps, surgeons could place hip implants more accurately, which may reduce the chance of dislocation or uneven wear and could lead to fewer repeat operations.
What could go wrong
This is a small, single-center study of 84 people, so the results may not apply to all surgeons or hospitals. Fluoroscopy adds X-ray exposure and operating time, and any accuracy benefit might be too small to change how most hip replacements are done.

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

About 84 people

The number the study aims to enrol. It can still change while the study runs.

Started

May 2023

Expected to finish

Mar 2028

An estimate. End dates often move.

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 to 90 years

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: * Patients undergoing unilateral primary THA through DAA * Patients aged 18-90 years old. * Patients with a BMI \>18 and \<35. * Patients able to provide informed consent. * Informed consent as documented by signature. Exclusion Criteria: * Revision THA. * Women who are pregnant or breast feeding. * Presence of other clinically significant concomitant disease states (ASA IV). * Previous enrolment into the current study. * Enrolment of the investigator, his/her family members, employees and other dependent persons.

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As listed by the trial registrant

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

Intraoperative fluoroscopy

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Ente Ospedaliero Cantonale

    RECRUITING

    Lugano, Canton Ticino, 6900, Switzerland