A prospective randomized study on the efficacy of a small caliber colonoscope compared with a pediatric colonoscope

A prospective randomized study on the efficacy of a small caliber colonoscope compared with a pediatric colonoscope - Study on the efficacy of a small caliber colonoscope compared with a pediatric colonoscope

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000008022

Enrollment

300

Registered

2012-05-25

Start date

2012-05-01

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 disease

Interventions

Small caliber colonoscope (PCF-PQ260L/I, Olympus, Tokyo, Japan) Pediatric colonoscope (PCF-Q260AL/I, Olympus, Tokyo, Japan)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1, Age of more than 20 or less than 80 years old 2, Patients to recieve colonoscopy 3, Patients who have agreement to our study

Exclusion criteria

Exclusion criteria: 1,Those patients who are not able to understand written information. 2, Patients with prior colectomy 3, Patients with immflammatory bowel diseade 4, Patients with acute hemorrhagic colitis 5, Pregnancy 6, Patients with pacemaker

Design outcomes

Primary

Measure	Time frame
Patient pain	—

Secondary

Measure	Time frame
Cecal intubation rate Intubation time to cecum Frequency of sedatives Complication rate	—

Countries

Japan

Outcome results

None listed

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