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Screening or no screening


- candidate number2641
- NTR NumberNTR1010
- ISRCTNISRCTN94861265
- Date ISRCTN created23-aug-2007
- date ISRCTN requested13-aug-2007
- Date Registered NTR27-jun-2007
- Secondary IDsCRC02 
- Public TitleScreening or no screening
- Scientific TitleDifferences in survival during follow-up after random colorectal cancer screening with faecal occult blood test or no screening.
- ACRONYMSONOS
- hypothesisSurvival after screening for colorectal cancer with faecal occult blood test is increased compared with no screening.
- Healt Condition(s) or Problem(s) studiedColorectal cancer, Mass screening, Faecal occult blood test
- Inclusion criteriaMen and women 50-75 years of age
- Exclusion criteriaLiving in an institution or similar
- mec approval receivedno
- multicenter trialno
- randomisedyes
- masking/blindingNone
- controlActive
- groupParallel
- Type-
- Studytypeintervention
- planned startdate 1-sep-2007
- planned closingdate1-sep-2017
- Target number of participants20000
- Interventions1. Faecal occult blood test versus no test
- Primary outcomeSurvival
- Secondary outcome
- Timepoints
- Trial web site
- statusinclusion stopped: follow-up
- CONTACT FOR PUBLIC QUERIES L.G.M Rossum, van
- CONTACT for SCIENTIFIC QUERIES L.G.M Rossum, van
- Sponsor/Initiator University Medical Center St Radboud, Department of Gastroenterology and Hepatology
- Funding
(Source(s) of Monetary or Material Support)
University Medical Center St Radboud, Department of Gastroenterology and Hepatology
- Publications
- Brief summaryThe primary purpose of colorectal cancer screening is the decrease in mortality of colorectal cancer. For guaiac FOBT's a decrease in mortality has been observed, but this has not been studied for immunochemical FOBT. We aim to meausre survival after random screening or no screening of a population 50-75 years of age. In the Netherlands screening for colorectal cancer with FOBT has just started in a research fase. A random sample of 20,000 individuals of the population 50-75 years was randomised into two groups, one group was invited for screening and the other group was not. During follow-up each year the population will be censored for mortality of colorectal cancer, mortality of other causes and other reasons for loss to follow-up.
- Main changes (audit trail)
- RECORD27-jun-2007 - 27-aug-2007


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