New study aims to ease pain after appendix surgery
NCT ID NCT07351253
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares two types of nerve blocks (ESP block and TAP block) to see which one works better for pain relief after open appendix surgery. About 68 adults having this surgery will be randomly assigned to receive one of the two blocks. The main goal is to see which block reduces the need for morphine and improves recovery.
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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 68 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jan 2026
- Expected to finish
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May 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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21 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.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * adult patients, undergoing open appendectomy. Exclusion Criteria: * American society of anesthesiologist-physical status \>III, * allergy to any of the study drugs, * coagulopathy * local infection, * history of chronic pain or regular opioid use; * inability to comprehend the Numeric Rating Scale (NRS), * pregnant or lactating women.
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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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Cairo University
RECRUITINGCairo, Cairo Governorate, Egypt
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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- Which nerve block eases hip surgery pain better?
- Spinal block showdown: can one injection method beat another for Post-Surgery pain?