Colonoscopy vs. stool test: which screens better for colon cancer?
NCT ID NCT00102011
First seen Mar 14, 2026 · Last updated Apr 30, 2026 · Updated 8 times
Summary
This study tested whether a one-time colonoscopy is better than yearly stool tests for finding early signs of colorectal cancer in healthy people aged 50 to 69. About 5,000 participants were randomly assigned to one of the two screening methods. The goal was to see which approach finds more tumors and causes fewer harms.
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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.
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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Contacts and locations
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Locations
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Feist-Weiller Cancer Center at Louisiana State University Health Sciences
Shreveport, Louisiana, 71130-3932, United States
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Kaiser Permanente Washington Health Research Institute (Data collection only)
Seattle, Washington, 98101-1466, United States
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Masonic Cancer Center at University of Minnesota (Data collection only)
Minneapolis, Minnesota, 55455, United States
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Memorial Sloan-Kettering Cancer Center
New York, New York, 10065, United States
Conditions
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