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Could a simple abdomen wash cut opioid use after cancer surgery?

NCT ID NCT07706348

Symptom relief Sponsor: Assiut University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jul 15, 2026 · Last updated Jul 16, 2026 · Updated 1 time

Summary

This trial investigates whether rinsing the inside of the abdomen with a combination of ondansetron and lidocaine during surgery can reduce pain and the need for morphine afterward. The study includes 20 adults undergoing major lower abdominal cancer surgery. Researchers will measure total morphine use in the first 24 hours and how long patients go before requesting additional pain relief.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
a combination of ondansetron and lidocaine given as an intraperitoneal wash during surgery
What this could lead to
If effective, this approach could offer a simple, low-cost way to reduce postoperative pain and the need for strong opioid painkillers after abdominal cancer surgery.
What could go wrong
This is a very small early-phase trial with only 20 participants, so results may not be generalizable. The drugs are used off-label in this way, and there is a risk of side effects or no added benefit over standard care.

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

Phase 1/2

Runs two stages together: safety and dose first, then whether the treatment works.

Participants

About 20 people

The number the study aims to enrol. It can still change while the study runs.

Started

Jun 2026

Expected to finish

Oct 2027

An estimate. End dates often move.

Lead sponsor

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

20 to 70 years

Sex

Anyone

Healthy volunteers

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

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria: * ASA I-II patients * scheduled for major lower abdominal cancer surgeries. Exclusion Criteria: * patients with known allergy to the study drugs, * significant cardiac, respiratory, renal or hepatic disease, * body mass index (BMI) ≥30 kg/m2; * allergy to study drugs * history of opioid use for pain management the time of enrolment or drug addiction, * who had used benzodiazepine chronically, * stroke or psychiatric disease that could affect the perception of pain.

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Conditions

The condition(s) this trial relates to.

Pain, Postoperative

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Acue postoperative pain

How to take part

Only the study team decides who joins. These are the ways to reach them.

  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. 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

  • Assiut University - South Egypt Cancer Instiute

    RECRUITING

    Asyut, Egypt