Diagnostic Performance of ultra-low dose CT Colonography for the Detection of colon polyps.

Diagnostic Performance of ultra-low dose CT Colonography for the Detection of colorectal Neoplasms. - Ultra-low dose CT Colonography for colorectal Neoplasms.

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000042742

Enrollment

200

Registered

2020-12-20

Start date

2014-01-01

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 Neoplasms

Interventions

ultra low dose CT colonography

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Individuals who were 30 years of age or older and had abdominal symptoms such as melena or had recent positive immunochemical fecal occult blood test.

Exclusion criteria

Exclusion criteria: Those who had serious medical conditions which could increase the risk of complications associated with bowel preparation and CT Colonography, and who had colorectal polyps or cancers at any site already known at the time of enrollment, a history of inflammatory bowel disease, lynch syndrome, familial polyposis, colorectal surgery, hyperthyroidism, or iodine contrast medium allergy.

Design outcomes

Primary

Measure	Time frame
Per-patient performance of CT ultra low dose colonography in the detection of neoplasms, with colonoscopy results as the reference standard.	—

Countries

Japan

Contacts

Public ContactTakayaki Yasuda

Nagasaki Kamigoto Hospital Radiology

kamihp3@air.ocn.ne.jp0959-52-3000

Outcome results

None listed

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