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Which colonoscopy prep is easier on patients? new study aims to find out

NCT ID NCT07060222

Symptom relief Sponsor: Hospital Civil de Guadalajara 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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 oral bowel preparation agents—lactulose and sodium phosphate—to see which one leads to better colonoscopy quality, fewer side effects, and higher patient satisfaction. About 300 adults scheduled for a colonoscopy will take one of the two treatments before their procedure. The goal is to find a more comfortable and effective way to clean the colon.

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 300 people

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

Started

Sep 2025

Expected to finish

Dec 2026

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 years and older

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

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: * Indication for Scheduled Colonoscopy: Participants must have a valid clinical indication for undergoing a scheduled colonoscopy, such as part of a colorectal cancer screening program, evaluation of gastrointestinal symptoms, or follow-up of previously diagnosed colorectal conditions. * Ability to Provide Informed Consent: Participants must have the physical and mental capacity to understand the nature of the study and voluntarily provide informed consent to participate. Exclusion Criteria: * History of Intestinal Obstruction: Participants with a known or suspected history of intestinal obstruction will be excluded due to the potential risks associated with the administration of bowel preparation agents. * Known Intolerance to Lactulose or Sodium Phosphate: Participants with a known intolerance to lactulose or sodium phosphate will be excluded due to the risk of severe adverse reactions. * Pregnancy and Lactation: Pregnant or breastfeeding women will be excluded due to the lack of safety data on bowel preparation agents in this population. * Interfering Clinical Conditions (Comorbidities): Participants with medical conditions that could interfere with study participation or affect the interpretation of results will be excluded, such as decompensated heart failure, chronic renal or liver disease, and a history of colonic resection.

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As listed by the trial registrant

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

Bowel preparation for colonoscopy

How to take part

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

  1. The places running it

    4 sites in 2 countries. 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

  • Antigüo Hospital Civil de Guadalajara "Fray Antonio Alcalde"

    RECRUITING

    Guadalajara, Jalisco, 44200, Mexico

  • Hospital Gustavo Nelson Collado Ríos Panamá.

    NOT_YET_RECRUITING

    Panamá, Herrera Province, Panama

  • Hospital Santo Tomas

    NOT_YET_RECRUITING

    Bella Vista, Provincia de Panamá, 37, Panama

  • Nuevo Hospital Civil de Guadalajara "Juan I. Menchaca"

    NOT_YET_RECRUITING

    Guadalajara, Jalisco, 44340, Mexico

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