Healthy individual
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: 1) Healthy individual. 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) Patients with inflammatory bowel disease. 2) Fulfillment of clinical criteria for diagnosis of FAP or HNPCC (Amsterdam criteria). 3) Contraindication for using Buscopan. 4) Previous colorectal surgery. 5) Gastric or intestinal stenosis, abdominal adhesions, bowel obstruction or perforation, toxic megacolon. 6) Evidence of an increased risk in carrying out bowel preparation or CTC exams. 7) Possibility of pregnancy. 8) Patients with psychological conditions that contraindicate colonoscopy or make them irrelevant to participate in the trial. 9) Claustrophobia. 10) Severe deafness. 11) Subjects whose eligibility for this clinical trial is not appropriate by other reasons.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Assessment of colon and small intestine distension per segment using a 4-point scale (prone and supine). | — |
Secondary
| Measure | Time frame |
|---|---|
| Data on perceived burden of CT colonography were collected using visual analogue scale (VAS) and a questionnaire. | — |
Countries
Japan
Contacts
Kameda Medical Center Makuhari Department of Gastroenterology