Water Temperature and Bowel Cleansing Quality

Observational study The aim of this observational study is to investigate the effect of water temperature used during pre-colonoscopy bowel preparation on the quality of bowel cleansing. The primary research question to be addressed is as follows: Which water temperature results in better bowel cleansing quality? For this purpose, patients will be divided into two groups based on the use of warm water or cold water, and the quality of bowel preparation will be compared between the groups.

Completed

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Key information

Conditions

Colonoscopy (Procedure)

Age range

18 year–90 year

Sex eligibility

All sexes

Study type

Observational

Primary location

Bakırköy Dr. Sadi Konuk Training and Research Hospital

Istanbul, 34147, Turkey (Türkiye)

About this study

The aim of this observational study is to investigate the effect of water temperature used during pre-colonoscopy bowel preparation on the quality of bowel cleansing. The primary research question to be addressed is as follows: Which water temperature results in better bowel cleansing quality? For this purpose, patients will be divided into two groups based on the use of warm water or cold water, and the quality of bowel preparation will be compared between the groups.

Who can participate

Healthy volunteers accepted: No

Only the study team can determine whether someone qualifies for participation.

Inclusion criteria

-Patients aged ≥ 18 years undergoing elective colonoscopy -Ability to provide informed consent -Planned bowel preparation using water-based regimens -No contraindication to warm or cold water intake

Exclusion criteria

- Emergency colonoscopy -History of inflammatory bowel disease -Prior colorectal surgery -Severe heart failure, renal failure, or electrolyte imbalance -Pregnancy -Inability to complete bowel preparation protocol -Use of additional laxatives outside the study protocol

Treatment and study plan

Primary outcomes

quality of bowel preparation

Time frame: 01.02.2025-01.07.2025

The quality of bowel preparation will be assessed using the Boston Bowel Preparation Scale.

Sponsors and collaborators

Lead sponsor

Bakirkoy Dr. Sadi Konuk Research and Training Hospital

Other Gov

Registry information

Official study title

Effect of Water Temperature on Bowel Cleansing Quality: A Prospective Observational Study

Important dates

Study start: 2025
Primary completion: 2025
Study completion: 2025
First posted: Dec 19, 2025
Registry last updated: Jan 21, 2026

OpenTrials presents study information sourced from ClinicalTrials.gov. The official registry record should be consulted for the latest information.

View the official ClinicalTrials.gov record (opens in a new tab)

This listing is for discovery and informational purposes only. It is not medical advice, does not guarantee that a study is recruiting, and does not determine eligibility. Contact the study team and a qualified healthcare professional when considering participation.

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Completed