A prospective randomized study of new small-caliber colonoscope versus standard colonoscope in routine colonoscopy for female patients

A prospective randomized study of new small-caliber colonoscope versus standard colonoscope in routine colonoscopy for female patients - A prospective randomized study of small-caliber colonoscope for female patients

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000010350

Enrollment

220

Registered

2013-04-01

Start date

2013-04-01

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, Olympus, Tokyo, Japan) standard colonoscope(CF-Q260AI, Olympus, Tokyo, Japan)

Eligibility

Sex/Gender

Female

Inclusion criteria

Inclusion criteria: Female patient to receive colonoscopy

Exclusion criteria

Exclusion criteria: 1. Prior colectomy 2. Inflammatory bowel disease 3. Severe hematochezia 4. Demand sedation

Design outcomes

Primary

Measure	Time frame
Patient pain	—

Secondary

Measure	Time frame
Cecal intubation rate Intubation time Withdrawal time Complication rate Adenoma detection rate	—

Countries

Japan

Contacts

Public ContactYasuhiko Hamada

Mie University Hospital Department of Endoscopic Medicine

y-hamada@clin.medic.mie-u.ac.jp059-231-5017

Outcome results

None listed

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