Evaluation of accuracy of computed tomographic colonography (CTC, virtual colonoscopy) for colorectal tumor; compared with that of colonoscopy(CS).

Evaluation of accuracy of computed tomographic colonography (CTC, virtual colonoscopy) for colorectal tumor; compared with that of colonoscopy(CS). - Evaluation of accuracy of computed tomographic colonography (CTC, virtual colonoscopy) for colorectal tumor.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000002299

Enrollment

300

Registered

2009-08-11

Start date

2009-09-01

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Colorectal tumor

Interventions

CTC and CS

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.Patients who have already diagnosed in colorectal tumor by CS. 2.Signed informed consent forms are obtained by the patients

Exclusion criteria

Exclusion criteria: 1.Patients who be with serious medical condition by any disease. 2.Subjects whose eligibility for this trial is not appropriate by other reasons. 3. Evidence of increased risk in carrying CS or contrast CT. 4. Evidence of increased risk of bowel perforation by CTC exam. a. deep colonic ulcers including toxic megacolon b. intestinal stenosis, obstraction,

Design outcomes

Primary

Measure	Time frame
Evaluation of detection ability of CTC, compared with that of optical colonoscopy.	—

Secondary

Measure	Time frame
The difference of ability of CTC by pre-examination treatments. Adherence of patient with CTC Frequency of adverse events	—

Countries

Japan

Contacts

Public ContactHiroshi Matsumoto

Kawasaki Medical School and Hospital Gastroenterology

hmatsumoto0311@gmail.com086-462-1111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026