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Nerve block showdown: which technique eases ACL surgery pain best?

NCT ID NCT07702552

Symptom relief Sponsor: Da Nang Hospital Source: ClinicalTrials.gov ↗

What the study statuses mean

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Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 14, 2026 · Last updated Jul 15, 2026 · Updated 1 time

Summary

This study compares two ultrasound-guided nerve block approaches for controlling pain after anterior cruciate ligament (ACL) reconstruction surgery. One method uses an adductor canal block combined with an iPACK block, while the other uses a femoral triangle block combined with selective tibial and obturator nerve blocks. Researchers will measure pain scores, morphine use, and patient satisfaction in 100 adults undergoing ACL reconstruction to see which technique offers better pain relief and recovery.

What this could mean

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

Active substance
ultrasound-guided nerve blocks (adductor canal block, iPACK block, femoral triangle block, tibial nerve block, obturator nerve block) with levobupivacaine
What this could lead to
If one method proves better, it could lead to more effective pain control and faster recovery after ACL reconstruction.
What could go wrong
This is a single-center study with 100 participants, so results may not apply to all patients. Both techniques are already in use, so the difference may be small.

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 100 people

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

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Mar 2027

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

16 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: * Age 16 years and older * Patients undergoing elective arthroscopic anterior cruciate ligament (ACL) reconstruction * ASA physical status I-II * Indicated for spinal anesthesia * Provided informed consent Exclusion Criteria: * Infection at the injection site * Spinal cord or lower limb nerve injury * Contraindications to regional anesthesia (Levobupivacaine) * Known allergy to Paracetamol or Diclofenac * Coagulopathy

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Conditions

The condition(s) this trial relates to.

Anterior Cruciate Ligament Injuries Pain, Postoperative

As listed by the trial registrant

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

Anterior cruciate ligament injuries Postoperative pain

How to take part

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  1. The official record

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