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Water pH may impact colonoscopy cleanliness in First-of-Its-Kind study

NCT ID NCT07669116

Knowledge-focused Sponsor: Sinan Ömeroğlu, MD Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting This study
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Jul 08, 2026 · Updated 2 times

Summary

This study will look at 1,200 people getting a colonoscopy to see if the pH of the water they drink during bowel preparation affects how clean their colon is. Researchers will note the pH of each person's drinking water and rate bowel cleanliness using a standard scale. This is the first study to explore this link, and it may help improve colonoscopy quality.

What this could mean

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

What this could lead to
If successful, this could show that simply choosing a certain type of water improves bowel preparation for colonoscopy, potentially leading to better detection of polyps and fewer repeat procedures.
What could go wrong
This is an observational study, not a controlled trial, so it cannot prove cause and effect. Many other factors also influence bowel cleanliness, and the results may not apply to everyone.

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.

Participants

About 1,200 people

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

Expected to start

Jul 2026

An estimate. Start dates often move.

Expected to finish

Jun 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.

Who is studied

Demographic, clinical, and intraoperative data of patients undergoing colonoscopy in our hospital's surgical endoscopy unit between July 2026 - July 2027 will be examined. Patients meeting the inclusion criteria will be included in the study. For pre-procedure information, all patients will be given a bowel preparation form by the surgical endoscopy unit, and patients who do not fully adhere to the diet will be excluded from the study. Informed consent will be obtained from the patients or their legal representatives. All procedures will be performed under sedation with the assistance of an anesthesiologist. Bowel cleansing will be assessed according to the Boston Bowel Preparation Scale (BBHS). The pH value and content of the drinking water will be noted when the bowel preparation form is given; no specific instructions will be given regarding this. However, patients will be asked to use the same water throughout the bowel preparation period.

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:: * Age over 18 * Fully adhering to the pre-procedure diet * Bowel preparation performed with the bowel preparation routinely used in our surgical endoscopy unit (Sennoside A+B, Monobasic sodium phosphate+ Dibasic sodium phosphate) * No history of gastrointestinal surgery * Patients not using prokinetic drugs Exclusion Criteria: * Those not following the diet * Those using another bowel preparation * Those with a history of stomach, small intestine, large intestine surgery or any major abdominal surgery for any reason * Those diagnosed with a known bowel disease such as inflammatory bowel disease or irritable bowel syndrome * Those with gastrointestinal motility disorders or those using medications that may cause this side effect * Patients for whom the pH value/content of drinking water cannot be obtained

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Conditions

The condition(s) this trial relates to.

progestogen hypersensitivity

As listed by the trial registrant

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

Bowel cleansing Colonoscopy PH Water intake

How to take part

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

  1. The official record

    The full official record for this study. This one lists no contact details, but it is the first place any would appear.

    Open the record ↗

  2. 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.

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Other studies related to the condition(s) this trial covers.