New study aims to find best pain block for hip surgery patients
NCT ID NCT07537036
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares two types of nerve blocks—Quadro-Iliac Plane Block and Erector Spinae Plane Block—for pain relief after total hip replacement. About 76 adults undergoing hip surgery will receive one of the two blocks. Researchers will measure how long pain relief lasts and how much additional morphine is needed.
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 works better, it could mean less pain and less need for strong painkillers after hip replacement surgery.
- What could go wrong
- This is a small, early-stage trial with only 76 people. The results may not apply to everyone, and individual pain responses vary.
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 76 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Apr 2026
- Expected to finish
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Nov 2026
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 years and older
- 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 ≥ 18 years. * Both sexes. * American Society of Anesthesiology (ASA) physical status I-III. * Undergoing total hip arthroplasty (THA) under spinal anesthesia. Exclusion Criteria: * History of allergies to local anesthetics. * Opioid dependency. * Body mass index (BMI) \> 35 kg/m2. * Cognitive impairment. * Bleeding or coagulation disorders. * Psychiatric and neurological disorder. * Local infection at the site of injection. * Severe heart, lung, liver, and renal dysfunction. * Emergency surgery.
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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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Tanta University
RECRUITINGTanta, El-Gharbia, 31527, Egypt
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Could a nerve block replace opioids for severe belly pain in the ER?
- Two nerve blocks go head to head for hip replacement pain
- Could lying a certain way after a nerve block double its pain relief?
- Which nerve block eases hip surgery pain better?
- Can a targeted nerve block cut opioid use after spine surgery?