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New nerve block may cut opioid use after hip surgery

NCT ID NCT04555291

Symptom relief Sponsor: Centre Hospitalier Universitaire de Nice 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 27, 2026 · Last updated Jun 27, 2026

Summary

This study tested whether a specific nerve block (called Quadratus Lumborum Block type 3) can reduce pain and the need for strong painkillers after total hip replacement surgery. Sixty adults having hip replacement were randomly given either the nerve block with a numbing medicine or a placebo (salt water). The main goal was to see if the nerve block lowered opioid painkiller use in the first 24 hours after surgery.

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

60 people

The number who actually took part.

Started

Jan 2022

Finished

Oct 2024

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: • All adult patients with unilateral programmed total hip prosthesis surgery are included in the absence of inclusion criteria. * Obligation for all patients to be affiliated with social security * Patient Informed Consent Signature Exclusion Criteria: * chronic opiod consumption * pregnancy * mental disorder that prevents the usage of the numeric analog scale * Contra indications of the realization of QLB * Local infection * Allergic to the local anesthesia * Hemostasis disorder * Incapacity of giving the consent : individuals under guardianship by court order, or under judicial protection

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As listed by the trial registrant

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

Total hip arthroplasty

Contacts and locations

Locations

  • CHU de nice - Anesthésie Réanimation

    Nice, Alpes-Maritimes, 06001, France

  • Institut Arnaut Tzanck

    Nice, Alpes-Maritimes, 06700, France

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