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Could a simple water trick help more doctors screen for colon cancer?

NCT ID NCT03208283

Completed Knowledge-focused Sponsor: Chinese University of Hong Kong Source: ClinicalTrials.gov ↗

First seen Jul 07, 2026 · Last updated Jul 08, 2026 · Updated 1 time

Summary

This study compares two ways of inserting a flexible sigmoidoscope—a scope used to screen for colorectal cancer—during training for primary care doctors and nurse endoscopists. One group uses the standard air inflation method, while the other uses sterile water to gently open the colon. The goal is to see if the water method helps trainees complete the procedure more often and with less discomfort for patients, potentially making screening easier to learn and more comfortable.

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 the water method improves training, it could make colorectal cancer screening more accessible by enabling more primary care doctors to perform the procedure effectively.
What could go wrong
This is a training study, not a direct test of cancer detection. The water method may not improve learning or patient comfort as hoped, and results may not apply to all settings.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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As listed by the trial registrant

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

COLORECTAL CANCER SCREENING

Contacts and locations

Locations

  • Centre for Digestive Health, Institute of Digestive Disease, Chinese University of Hong Kong

    Hong Kong, Hong Kong

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