Evaluation of accuracy of computed tomographic colonography (CTC) in the diagnosis of colorectal tumor by gastroenterologists and radiologists with computer-aided detection (CAD): A multicenter study - Japanese National CT Colonography Trial

Japanese CTC Society0 sites1,500 target enrollmentJune 20, 2009

Overview

No summary available.

Registry

who.int

Start Date

June 20, 2009

End Date

March 1, 2012

Last Updated

2 years ago

Study Type

Interventional

Sex

All

Sponsor

Japanese CTC Society

•1\) Known colorectal polyps or cancers at any site at the time of enrollment. 2\) Patients with inflammatory bowel disease. 3\) Fulfillment of clinical criteria for diagnosis of FAP or HNPCC (Amsterdam criteria). 4\) Serious medical conditions that may increase the risk of optical colonoscopy or are so severe that screening would have no benefit. 5\) Previous colorectal surgery. 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\) Optical colonoscopy or barium enema carried out within the last 3 years. 10\) Patients with psychological conditions that contraindicate colonoscopy or make them irrelevant to participate in the trial. 11\) Iodine hypersensitivity. 12\) Severe thyroid disease. 13\) Claustrophobia. 14\) Severe deafness. 15\) Subjects whose eligibility for this clinical trial is not appropriate by other reasons.