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Multicentre randomised trial of 'once only' flexible sigmoidoscopy screening for prevention of bowel cancer morbidity and mortality
ISRCTN ISRCTN28352761
DOI 10.1186/ISRCTN28352761
ClinicalTrials.gov identifier
EudraCT number
Public title Multicentre randomised trial of 'once only' flexible sigmoidoscopy screening for prevention of bowel cancer morbidity and mortality
Scientific title
Acronym UKFSST
Serial number at source G9615910
Study hypothesis Primary aims:
1. To quantify the reduction in incidence and mortality.
2. To determine the duration of efficacy of a single flexible sigmoidoscopy.
3. To determine the optimum age for the examination.
4. To evaluate health service research implications to permit an informed decision at the end of the trial about the suitability for implementation within a national screening programme.

The criteria to be evaluated include:
1. Uptake, acceptability and impact
2. Quality control of the procedure
3. Cost-effectiveness.
Lay summary
Ethics approval Added 10/08/09: South East MREC approval (ref: MREC/03/1/002)
Study design Randomised controlled trial
Countries of recruitment United Kingdom
Disease/condition/study domain Colorectal cancer
Participants - inclusion criteria All 55-64 year old men and women from selected general practices
Participants - exclusion criteria 1. If incapable of providing informed consent
2. Patients with a personal or family history of bowel cancer (greater than two family members)
3. A recent sigmoidoscopy or colonoscopy
4. Severe illness or life expectancy of less than 5 years
Anticipated start date 01/07/1995
Anticipated end date 31/12/2010
Status of trial Completed
Patient information material Not available in web format, please use the contact details below to request a patient information sheet
Target number of participants 195,000 - Recruitment ongoing.
Interventions 'Once only' flexible sigmoidoscopy screening/control
Primary outcome measure(s) Incidence, mortality from colorectal cancer.
Secondary outcome measure(s) Psychological morbidity, costs to the NHS.
Sources of funding Medical Research Council (MRC) (UK)
Trial website
Publications 2010 results in http://www.ncbi.nlm.nih.gov/pubmed/20430429
Contact name Prof  Wendy  Atkin
  Address Imperial College London
St. Mary's Campus
Norfolk Place
  City/town London
  Zip/Postcode W2 1PG
  Country United Kingdom
  Tel +44 (0)20 7594 3350
  Fax +44 (0)20 7594 3051
  Email
Sponsor Medical Research Council (MRC) (UK)
  Address 20 Park Crescent
  City/town London
  Zip/Postcode W1B 1AL
  Country United Kingdom
  Tel +44 (0)20 7636 5422
  Fax +44 (0)20 7436 6179
  Email clinical.trial@headoffice.mrc.ac.uk
  Sponsor website: http://www.mrc.ac.uk
Date applied 06/04/2000
Last edited 26/05/2010
Date ISRCTN assigned 06/04/2000
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