New nerve block may cut opioid use after mastectomy
NCT ID NCT07446868
First seen Jun 27, 2026 · Last updated Sep 02, 2026 · Updated 2 times
Summary
This study tests two types of nerve blocks to see which one works better for pain after breast cancer surgery. 50 women having a mastectomy will get either a newer or a standard block. The goal is to find a way to reduce the need for strong painkillers like morphine and help patients recover more comfortably.
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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 50 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2026
- Expected to finish
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Apr 2027
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 65 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.
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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: Female patients diagnosed with breast cancer Scheduled for modified radical mastectomy (MRM) American Society of Anesthesiologists (ASA) physical status II or III Age 18-65 years Body mass index (BMI) \> 20 kg/m² and \< 35 kg/m² Ability to understand the study protocol and provide written informed consent Exclusion Criteria: Patient refusal to participate ASA physical status IV or higher BMI ≤ 20 kg/m² or ≥ 35 kg/m² Known hypersensitivity or contraindication to local anesthetics, opioids, or study medications History of chronic pain or regular opioid use Significant psychiatric disorders affecting pain assessment Contraindications to regional anesthesia (e.g., infection at injection site, coagulopathy, pre-existing peripheral neuropathy) Severe respiratory, cardiac, hepatic, or renal disease
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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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National Cancer Institute - Cairo University
RECRUITINGCairo, Cairo Governorate, 11796, Egypt
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- Can a Decades-Old Anti-Inflammatory drug quiet the joint pain that drives women off breast cancer therapy?