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Knee replacement pain relief: which nerve block wins?

NCT ID NCT07115771

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study compared two types of nerve blocks for pain after total knee replacement. 60 adults received either an adductor canal block or an erector spinae plane block. The goal was to see which method better reduces pain and the need for opioid painkillers in the first 48 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

Aug 2025

Finished

Apr 2026

Lead sponsor

A government agency

The lead sponsor is a government body.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

18 to 65 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 aged 18-65 years Patients scheduled for elective total knee arthroplasty under spinal anesthesia ASA physical status I-II Written informed consent Exclusion Criteria Refusal to participate Coagulopathy or inability to discontinue anticoagulant therapy appropriately Allergy or toxicity history to local anesthetics or opioids Infection at the injection site Severe cardiac, hepatic, or renal failure Diabetes mellitus-related neuropathy Peripheral neuropathy or motor-sensory deficit in the relevant extremity Psychiatric disease, cognitive impairment, or inability to cooperate Substance or alcohol abuse Pregnancy, suspected pregnancy, or breastfeeding Body mass index \>40 kg/m² Failed spinal anesthesia or need for additional intraoperative anesthesia/analgesia

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As listed by the trial registrant

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

Total knee anthroplasty

Contacts and locations

Locations

  • Bursa City Hospital

    Bursa, Nilüfer, 16110, Turkey (Türkiye)

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