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Can a blood pressure drug cut opioid needs during bowel surgery?

NCT ID NCT07048522

Symptom relief Sponsor: University of Ioannina 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Sep 14, 2026 · Last updated Sep 15, 2026 · Updated 1 time

Summary

Researchers are testing whether giving nimodipine through an IV before, during, and after open colectomy can reduce the amount of anesthetic and opioid painkillers patients need. The trial enrolls 40 adults with bowel cancer scheduled for open surgery. Participants receive either nimodipine or a saline placebo, and researchers track drug use, pain scores, and recovery markers like bowel movement return.

What this could mean

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

Active substance
nimodipine, a calcium channel blocker that crosses the blood-brain barrier
What this could lead to
If nimodipine helps, it could become a new way to lower opioid and anesthetic doses during and after major bowel surgery, possibly speeding recovery and reducing side effects.
What could go wrong
This is a small, single-center study of 40 patients, so results may not apply broadly. Nimodipine can lower blood pressure and cause dizziness, and its effect on surgical pain is unproven.

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

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

About 40 people

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

Started

May 2025

Expected to finish

Feb 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

18 to 75 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: * Patients scheduled for open surgical treatment of bowel cancer at the General Hospital of Patra Exclusion Criteria: * Age \< 18 years, \> 75 years * American Society of Anesthesiologists (ASA) physical status \> III * Allergy to nimodipine * Inability to provide informed consent * Known severe renal insufficiency * Known severe bradyarrhythmia * Daily opioid consumption the last 7 days before surgery * Pain intensity assessed using the Numerical Rating Scale (NRS; 0-10), with scores greater than 5 reported on more than half of the days during the past month.

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Conditions

The condition(s) this trial relates to.

Acute Pain intestinal cancer Pain Pain, Postoperative

As listed by the trial registrant

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

Colectomy Open surgery Pain Pain, acute Pain, postoperative

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.

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  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

  • St. Andrews General Hospital of Patras, GREECE

    RECRUITING

    Pátrai, Achaea, 263 32, Greece

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