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New nerve block could slash morphine use after back surgery

NCT ID NCT04925882

Symptom relief Sponsor: Clinique Saint Jean, France 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Updated 2 times

Summary

This study tested whether a specific nerve block, called an erector spinae plane block, can lower the amount of morphine patients need after lumbar spine surgery. 100 adults having surgery for herniated discs or spinal stenosis were included. The block is given under ultrasound guidance before surgery, and the main goal was to measure morphine use in the first 72 hours after the operation.

What this could mean

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

Active substance
erector spinae plane block (a nerve block procedure using anesthetic injection)
What this could lead to
If effective, this nerve block could reduce the need for morphine after lumbar surgery, leading to fewer side effects and faster recovery.
What could go wrong
This is a small, single-center study. The block may not significantly reduce morphine use, and results may not apply to all spine surgeries.

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

100 people

The number who actually took part.

Started

Jan 2022

Finished

Dec 2022

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: * Patient with medical insurance. * Patient twho received information about study and signes a consent to participate in the study. * Major patient to be operated on for lumbar release surgery without arthrodesis or osteosynthesis posterior (herniated disc repair, one or two level recalibration, laminectomy) +/- implant interlaminar. * Patient with an ASA score of 1, 2 or 3. Exclusion Criteria: * Minor patient. * Patient with morphine intolerance * Patient with allergy to local anesthetics. * Patient consuming morphine for more than 3 months. * Pregnant or breastfeeding patient. * Patient scheduled for cancer surgery or trauma surgery. * Patient participating in another interventional study. * Patient with a history of lumbar arthrodesis. * Patient requiring lumbar surgery with arthrodesis. * Patient refusing to sign the consent form. * Patient for whom it is impossible to give informed information. * Patient under the protection of justice, under curatorship or under tutorship.

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Conditions

The condition(s) this trial relates to.

lumbar disk herniation, susceptibility to lumbar spinal stenosis Spinal Cord Compression

As listed by the trial registrant

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

Hernia lumbar Lumbar canal stenosis Spinal cord compression

Contacts and locations

Locations

  • Clinique Saint Jean

    Saint-Jean-de-Védas, 34430, France

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