A randomized controlled trial for evaluation of Afternoon Colonoscopy

A randomized controlled trial for evaluation of Afternoon Colonoscopy - A randomized controlled trial for evaluation of Afternoon Colonoscopy

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000005019

Enrollment

280

Registered

2011-02-05

Start date

2010-12-01

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 cancer

Interventions

ACS Group Day of exam, 8:00a.m. Jelly intake (Nonfiber Wieder in Jelly Energy Drink 2 packs=360kcal). 12:00, polyethylene glycol lavage 2000ml taken over a 2 hr period at the hospital. Day of ex

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Outpatients in the Dept. of Gastroenterology of Nikko Memorial Hospital in whom colonoscopy is deemed necessary

Exclusion criteria

Exclusion criteria: History of bowel resection. Patients with progressively worsening constipation. Patients with a palpable abdominal mass. Patients in whom CT or other imaging has shown colorectal cancer.

Design outcomes

Primary

Measure	Time frame
Verification that the efficacy of colon irrigation in the ACS group is not inferior to the control group (non-inferiority trial)	—

Secondary

Measure	Time frame
Evaluation of hunger and dizziness. Evaluation of whether or not they were able to work or do housework in the morning. Time taken from start of polyethylene glycol lavage intake until clear. Complications.	—

Countries

Japan

Contacts

Public ContactYuichi Mori

Showa University Northern Yokohama Hospital Digestive Disease Center

ibusiginjp@hotmail.com045-949-7693

Outcome results

None listed

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