New pain block showdown: which works best after back surgery?
NCT ID NCT07370415
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study compares two ultrasound-guided pain blocks for people having lumbar back surgery. Both blocks use numbing medicine to reduce pain after the operation. The goal is to see which block lowers the need for opioid painkillers and improves recovery. Eighty adults aged 18 to 65 will take part.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- bupivacaine
- What this could lead to
- If one block proves better, it could lead to less pain and fewer opioids after back surgery, helping patients recover faster.
- What could go wrong
- This is a small, early-stage trial (80 people) comparing two procedures. Results may not apply to all patients, and blocks may not work equally well for everyone.
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
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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
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About 80 people
The number the study aims to enrol. It can still change while the study runs.
- Expected to start
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Mar 2026
An estimate. Start dates often move.
- Expected to finish
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Sep 2026
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 65 years
- Sex
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Anyone
- Healthy volunteers
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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 Hide 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 between 18 and 65 years * Classified as American Society of Anesthesiologists physical status I-III * Scheduled for elective lumbar instrumentation surgery under general anesthesia * Provision of written informed consent Exclusion Criteria: * Use of anticoagulant medications or presence of bleeding diathesis * Known allergy or hypersensitivity to local anesthetics or opioid drugs * Infection at the planned block site * Alcohol or drug dependence * Cognitive impairment preventing reliable pain assessment * Pregnancy or lactation * History of previous lumbar spine surgery * Diabetes mellitus * Renal or hepatic insufficiency
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Bursa City Hospital
Nilufer, Bursa, 16110, Turkey (Türkiye)
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Other studies related to the condition(s) this trial covers.
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