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New sedative may be safer for colonoscopy patients

NCT ID NCT07456111

Symptom relief Sponsor: Clinical Hospital Centre Zagreb 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study compares two sedative drugs, remimazolam and propofol, in 90 adults having colonoscopy to remove polyps. The goal is to see which drug keeps the heart and breathing more stable during the procedure. Results may help choose safer sedation for routine colonoscopies.

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 4

Runs after approval, following long-term safety and how well the treatment works in everyday use.

Participants

About 90 people

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

Started

Jan 2025

Expected to finish

Dec 2028

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 60 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 both male and female * ages 18 to 60 years, * with one or more colonic polyps confirmed by colonoscopy and scheduled for a colonoscopy and polypectomy * The duration of the colonoscopy ranges from 30 to 50 minutes. * ASA status (American Society of Anaesthesiologists physical status) I-III. * BMI (Body mass index) 18.5-29.9 kg/m2. * Only patients who signed an informed consent waiver and consented to participate in the research study. Exclusion Criteria: * Patients aged \>60 years * ASA status IV-V, * BMI \>29.9 kg/m2, * a high risk of vomiting, regurgitation and/or aspiration of gastric contents. * Patients with: * uncontrolled hypertension (systolic pressure \>160 mmHg), * heart disease (cardiomyopathy, cardiac-rhythm disorder, left ventricular ejection fraction \<45%, stenosis or heart valve insufficiency and coronary heart disease) * lung disease (pneumonia, chronic obstructive pulmonary disease, asthma and pulmonary tumors), * kidney diseases (kidney failure, GF 30/59 ml/min/1.73m2), * liver diseases, * coagulation disorders * lymphatic tissue diseases * extended malignant disease. * History of allergy on nutritional allergens including soy bean, benzodiazepines, propofol or opioids. * Patients who currently use analgesic medications or other psycho-pharmaceuticals. * History of illicit drug use. * Children, pregnant and nursing women. * Alcohol dependency. * Patients involved in other clinical research studies, * patients who refused to take part in the research or have not signed the written informed consent form.

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Conditions

The condition(s) this trial relates to.

polyp of colon respiratory failure

As listed by the trial registrant

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

Colonic polyp Sedation complication

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

  • UHC Zagreb

    RECRUITING

    Zagreb, 10000, Croatia

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