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11 February 2012 
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Bowel preparation or not in elective colon surgery
ISRCTN ISRCTN28535118
ClinicalTrials.gov identifier
Public title Bowel preparation or not in elective colon surgery
Scientific title
Acronym Boniec
Serial number at source N/A
Study hypothesis Postoperative complication rate in the bowel preparation group is the same as in the non-bowel preparation group (null hypothesis).
Lay summary
Ethics approval Not provided at time of registration
Study design Randomised controlled trial
Countries of recruitment Sweden
Disease/condition/study domain Elective colon surgery
Participants - inclusion criteria 1. Patient aged 18 - 85 years
2. Elective resection for cancer, adenoma or diverticular disease
3. Survival over 6 months foreseen
4. Written consent after written and spoken information
Participants - exclusion criteria Bowel preparation given preoperatively from other reasons than surgery.
Anticipated start date 01/01/1999
Anticipated end date 11/03/2005
Status of trial Completed
Patient information material
Target number of participants 1500
Interventions The study compares colon surgery with preoperatively given bowel preparation (standard today) with no given bowel preparation preoperatively.
Primary outcome measure(s) 1. Mortality within 30 days postop
2. Local infectious complications
3. Cardiovascular complications
Secondary outcome measure(s) 1. Postop bleeding
2. Reoperation
3. General infectious complications
4. Length of postop hospital stay
5. Rehospitalisation within 30 days postop
Sources of funding The Health Research Council of South-East of Sweden (FORSS Sydöstra sjukvårdsregionen) (Sweden)
Trial website
Publications Results in http://www.ncbi.nlm.nih.gov/pubmed/17514668
Contact name Prof  Erik  Nilsson
  Address Kirurg Kliniken
Norrlands Universitetssjukhus
  City/town Umeå
  Zip/Postcode 90185
  Country Sweden
  Email erik.nilsson@surgery.umu.se
Sponsor Umea University/The Health Research Council of South-East of Sweden (FORSS Sydöstra sjukvårdsregionen) (Sweden)
  Address Norrlands Universitetssjukhus
  City/town Umeå
  Zip/Postcode 90185
  Country Sweden
  Email peter.naredi@surgery.umu.se
Date applied 25/07/2005
Last edited 19/02/2008
Date ISRCTN assigned 17/11/2005
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