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Can electrolyte drinks make colonoscopy prep easier?

NCT ID NCT07608120

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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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

Summary

This study tests whether mixing an electrolyte beverage with water improves the quality and tolerability of bowel preparation before colonoscopy. 405 adults scheduled for colonoscopy will be randomly assigned to drink polyethylene glycol (PEG) with water only, or with a low or medium amount of electrolyte drink. The goal is to see if the electrolyte mix helps people drink the full preparation and improves bowel cleanliness.

What this could mean

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

Active substance
Polyethylene glycol (PEG) mixed with water or electrolyte beverage
What this could lead to
If it works, this could make bowel preparation before colonoscopy easier to tolerate and more effective, potentially improving colorectal cancer screening.
What could go wrong
This is a small, early-stage trial focused on comfort and preparation quality, not a new treatment. The results may not change standard practice significantly.

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 405 people

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

Started

May 2026

Expected to finish

May 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

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: * Adults aged 18-75 years scheduled to undergo elective colonoscopy * Meet the standard clinical indications for colonoscopy; * Able to understand and comply with the bowel preparation procedure and complete oral polyethylene glycol (PEG) intake as required; * Able to comply with study-related data collection and follow-up; * Provide written informed consent voluntarily. Exclusion Criteria: * Previously diagnosed colorectal cancer, intestinal obstruction, or suspected intestinal obstruction; * Active gastrointestinal bleeding or a definite history of gastrointestinal bleeding within the past 4 weeks (including melena, hematochezia, or hematemesis); * Severe renal insufficiency, decompensated heart failure, significant electrolyte imbalance, or other conditions unsuitable for PEG bowel preparation; * Known allergy to polyethylene glycol or components of the electrolyte beverage used in the study; * Pregnant or breastfeeding women; * Any other condition considered by the investigators to make the participant unsuitable for the study.

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As listed by the trial registrant

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

Bowel preparation solutions Colonoscopy Colorectal cancer screening

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

  • Nanfang Hospital, Southern Medical University

    RECRUITING

    Guangzhou, Guangdong, China

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