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Could a single injection transform hip replacement recovery?

NCT ID NCT01911949

Symptom relief Sponsor: McMaster University 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 10, 2026 · Last updated Aug 11, 2026 · Updated 1 time

Summary

This trial tests whether a single ultrasound-guided injection of numbing medication near the femoral nerve can reduce pain after hip replacement surgery. The goal is to see if this approach helps patients move and walk sooner, making physiotherapy easier and shortening hospital stays. The study includes adults undergoing a hip replacement and will measure how feasible the approach is, along with safety outcomes.

What this could mean

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

Active substance
A single injection of a numbing medication (bupivacaine with epinephrine) given near the femoral nerve using ultrasound guidance.
What this could lead to
If effective, this nerve block could offer a simple, low-side-effect way to manage pain after hip replacement, helping patients walk sooner and leave the hospital faster.
What could go wrong
This is a small, early feasibility study, so results may not be conclusive. There are also rare risks like nerve damage, bleeding, or allergic reactions.

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

24 people

The number who actually took part.

Started

Jan 2017

Finished

Aug 2017

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 85 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: 1. Patients 18 years or older undergoing unilateral hip arthroplasty. 2. Patient capable to complete informed consent. Exclusion Criteria: 1. Pediatric population. 2. Inability to complete informed consent. 3. Patient refusal. 4. Contraindication for regional anesthesia: coagulopathy, anticoagulant use, bleeding disorders, local or systemic infection, local anesthesia allergy. 5. Presence of neuromuscular deficit including diabetic peripheral neuropathy.

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Conditions

The condition(s) this trial relates to.

Pain, Postoperative

As listed by the trial registrant

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

Post-surgical pain

Contacts and locations

Locations

  • St. Joseph's Heathcare Hamilton

    Hamilton, Ontario, L8N 4A6, Canada

More trials for these conditions

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