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A prospective controlled trial on the usefulness of CT colonography for patients with difficulty in total colonoscopy insertion

CT Colonography for Detecting Colorectal Polypoid Lesions in Comparison with Fluoroscopy-guided Colonoscopy using an Enteroscope in Case with Failed Standard Total Colonoscopy: A Prospective Evaluation - Seven Cs Study

Status
Recruiting
Phases
Unknown
Study type
Interventional
Source
JPRN
Registry ID
JPRN-UMIN000049396
Enrollment
24
Registered
2022-11-01
Start date
2022-01-01
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

Neoplastic lesions of the colon

Interventions

CTC and fluoroscopy-guided colonoscopy using an enteroscope in one day

Sponsors

Sendai City Medical Center
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Patients whose total colonoscopy with ordinary colonoscopies, was difficult even when performed by a physician with more than 10 years of TCS experience, or under the supervision of these doctors.

Exclusion criteria

Exclusion criteria: a. Contraindications for CT scan or iodine contrast agent b. Persons who cannot obtain consent on paper c. Those who have already been registered in this research d. Pregnant e. Those who have been diagnosed or suspected of inflammatory bowel disease f. A person who has colon obstruction due to colorectal cancer, etc. g. Polyposis h. Persons with a very high probability of aspiration or who are at high risk of serious or fatal consequences if aspiration occurs. i. A person who is judged inappropriate by the attending physician.

Design outcomes

Primary

MeasureTime frame
Colorectal lesion indication of 6 mm or more

Secondary

MeasureTime frame
Adverse event rate, extraintestinal lesion indication rate, patient satisfaction, surgeon satisfaction

Countries

Japan

Contacts

Public ContactHaruka Okano

Sendai City Medical Center Department of Gastroenterology

haruka.o@openhp.or.jp022-252-1111

Outcome results

None listed

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