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New study aims to find best pain relief after hip surgery

NCT ID NCT07516795

Symptom relief Sponsor: Bach Mai Hospital 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 25, 2026 · Last updated Sep 02, 2026 · Updated 9 times

Summary

This study compares two types of nerve blocks for pain after hip replacement surgery. Sixty adults will receive either a sacral erector spinae plane block or a fascia iliaca compartment block, both using a numbing medicine through a small tube. The goal is to see which method reduces pain and the need for extra painkillers, and helps patients get moving sooner.

What this could mean

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

Active substance
local anesthetic (ropivacaine)
What this could lead to
If one block proves better, it could lead to improved pain control and faster recovery after hip replacement surgery.
What could go wrong
This is a small, early-stage trial with only 60 participants. Results may not apply to all patients, and both techniques carry risks like infection or nerve damage.

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

Apr 2026

Finished

Jun 2026

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 80 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: Adult patients aged 18 to 80 years. Scheduled for elective primary unilateral total hip arthroplasty due to osteoarthritis (not due to hip fracture or trauma). American Society of Anesthesiologists (ASA) physical status I, II, or III. Ability to understand and cooperate with study procedures, including postoperative pain assessment using the Numeric Rating Scale (NRS) and follow-up evaluations. Provided written informed consent to participate in the study. Exclusion Criteria: Patient refusal to participate or inability to provide informed consent. Contraindications to regional anesthesia or peripheral nerve blocks (e.g., coagulopathy, therapeutic anticoagulation, infection at the injection site, or severe spinal deformity). Known allergy or hypersensitivity to local anesthetics (ropivacaine or bupivacaine). Previous surgery on the same hip. Severe cardiopulmonary disease (e.g., NYHA class III-IV, severe COPD) that may interfere with postoperative recovery assessment. Neurological disorders affecting the lower extremities (e.g., stroke with residual motor deficit, peripheral neuropathy). Cognitive impairment or inability to cooperate with catheter care and follow-up assessments. Pregnancy or breastfeeding.

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Conditions

The condition(s) this trial relates to.

osteoarthritis Pain

As listed by the trial registrant

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

Arthroplasty, replacement, hip Pain, postoperative; anesthesia, regional

Contacts and locations

Locations

  • Bach Mai Hospital

    Hanoi, Hanoi, 100000, Vietnam

More trials for these conditions

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