Could water replace gas in colonoscopies for better polyp detection?
NCT ID NCT06333392
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares a new technique called total underwater colonoscopy (using water instead of gas) to the standard method in over 1,000 people undergoing screening after a positive stool test. The goal is to see if water helps doctors find more flat, hard-to-spot polyps that can lead to cancer, while also reducing pain and the need for repeat procedures. If successful, this simple change could make screening more effective and comfortable, especially for women.
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This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
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As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
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Contact
Email: •••••@•••••
Locations
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Akershus University Hospital Health Trust
RECRUITINGLørenskog, 1478, Norway
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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Sahlgrenska University Hospital, Gothenburg, Region Västra Götaland, Sweden, Department of Medicine, Geriatrics and Emergency Care Mölndal
NOT_YET_RECRUITINGGothenburg, Sweden
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Ullevål University Hospital Health Trust
RECRUITINGOslo, 0424, Norway
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact Email: •••••@•••••
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Vestre Viken Health Trust, Bærum Hospital
RECRUITINGDrammen, 3004, Norway
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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Østfold Hospital Health Trust
RECRUITINGGrålum, 1714, Norway
Contact Phone: •••-•••-•••• Email: •••••@•••••