Healthy individual
Conditions
Interventions
CT colonography scanning with no diet restriction.
CT colonography scanning with dietary instruction.
CT colonography scanning with low residue diet.
Sponsors
Matsuoka Clinic
National Cancer Center
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1)Patient for diagnostic evaluation. 2) Major functions of organs of the subjects are in a good condition. 3) Aged 40 years or older. 4) Signed informed consent forms are obtained by the patients.
Exclusion criteria
Exclusion criteria: 1) Inflammatory bowel disease. 2) FAP (familial adenomatous polyposis) or HNPCC (hereditary non polyposis colon cancer, Amsterdam criteria) 3) High risk for bowel preparation or CTC exams by renal dysfunction. 4) Severe thyroid disease. 5) History of bowel resection. 6) Gastric or intestinal stenosis, abdominal adhesions, bowel obstruction or perforation, toxic megacolon. 7) Evidence of an increased risk in carrying out bowel preparation or CTC exams. 8) Possibility of pregnancy. 9) Patients with psychological conditions that contraindicate CT colonography or make them irrelevant to participate in the trial. 10) Claustrophobia. 11) Severe deafness. 12) Subjects whose eligibility for this clinical trial is not appropriate by other reasons.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The influence of diet restriction on quality of bowel preparation in CT colonography using a reduced bowelpreparation, including tagging quality of bowel preparation, volume of residual fluids and feces. | — |
Secondary
| Measure | Time frame |
|---|---|
| The assessment patients' tolerance of the assigned dietary regimen using visual analogue scale (VAS) and a questionnaire. | — |
Countries
Japan
Contacts
Public ContactKoichi Nagata
National Cancer Center Cancer Screening Center
Outcome results
None listed