A Randomized Controlled Trial of the Usefulness of Double Balloon Enteroscopy and Single Balloon Enteroscopy for Difficult Cases of Colonoscope Insertion

A Randomized Controlled Trial of the Usefulness of Double Balloon Enteroscopy and Single Balloon Enteroscopy for Difficult Cases of Colonoscope Insertion - RCT of DBE vs. SBE for difficult colonoscope insertion

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000001684

Enrollment

Registered

2009-02-02

Start date

2008-08-01

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

Colon disease

Interventions

Double balloon enteroscopy Single balloon enteroscopy

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who had incomplete colonoscopy with a conventional colonoscope

Exclusion criteria

Exclusion criteria: Patients with known fulminant colitis or colorectal malignancy Incomplete colonoscopy because of fixed stenosis or poor bowel preparation Severe hepatic dysfunction or severe renal dysfunction

Design outcomes

Primary

Measure	Time frame
Total colonoscopy rate Examination time Manual compression rate Changing position rate X-ray exposure time Diagnostic yield	—

Secondary

Measure	Time frame
Patient's pain on examination, Operability of endoscopy Complication	—

Countries

Japan

Contacts

Public ContactYutaka Yamaji

The University of Tokyo Department of Gastroenterology

yamaji-tky@umin.ac.jp03-3815-5411

Outcome results

None listed

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