Lower back nerve block tested to cut pain after fibroid surgery
NCT ID NCT05979493
First seen Sep 11, 2026 · Last updated Sep 11, 2026
Summary
Researchers are testing whether a quadratus lumborum nerve block reduces pain after laparoscopic myomectomy, a surgery to remove uterine fibroids while keeping the uterus. The block is a temporary anesthetic injection into a lower back muscle. In this double-blind, randomized trial, 80 participants receive either the block or a saline placebo alongside standard anesthesia and pain care. The team measures how long until patients first ask for pain relief, how much rescue pain medicine they need, their pain scores, and their satisfaction with pain management.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- bupivacaine, a local anesthetic injected into the lower back muscle
- What this could lead to
- If it works, this could give surgeons a simple nerve block that lowers pain and opioid use after myomectomy, helping patients recover more comfortably.
- What could go wrong
- The block may not ease pain better than standard care, and results from 80 patients at one center may not apply everywhere. Nerve blocks carry small risks of bleeding, infection, or temporary weakness.
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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Phase 4
Runs after approval, following long-term safety and how well the treatment works in everyday use.
- Participants
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About 80 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2024
- Expected to finish
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Jul 2028
An estimate. End dates often move.
- Lead sponsor
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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
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18 to 45 years
- Sex
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Female participants only
- 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: * Presence of uterine fibroids requiring surgical excision with preservation of the uterus * Stated willingness to comply with all study procedures and availability for the duration of the study * Provision of signed and dated informed consent form Exclusion Criteria: * Pre-existing diagnoses of anxiety or depression * Pre-existing coagulopathies * Pre-existing neuropathic or chronic pelvic pain * Chronic opioid use * Illiteracy due to inability to read and understand plain questionnaire * Non-English speaking * BMI \>38
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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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University Hospitals Ahuja Medical Center
RECRUITINGBeachwood, Ohio, 44122, United States
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- Can a nerve block quiet the brain during gallbladder surgery?