A randomized clinical study evaluating the efficacy and tolerance of a new, reduced-volume, bowel preparation for colonoscopy ; a comparison between two different regimens

A randomized clinical study evaluating the efficacy and tolerance of a new, reduced-volume, bowel preparation for colonoscopy ; a comparison between two different regimens - A randomized clinical study evaluating the efficacy and tolerance of a new, reduced-volume, bowel preparation for colonoscopy ; a comparison between two different regimens

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000014766

Enrollment

400

Registered

2014-09-01

Start date

2014-09-01

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

general population

Interventions

Standard regimen:(MOV1000ml+Water500ml+MOV500ml+Water250ml)1time Division regimen:(MOV500ml+Water250ml)3times

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Outpatients who are intend to perform colonoscopy 2) Patients who agreed to participate in this research with written informed consent.

Exclusion criteria

Exclusion criteria: Patients with the following clinical features were excluded: significant cardiac, renal, hepatic, or metabolic co-morbidities, ascites, severe constipation (<2 bowel movement a week), known allergy to PEG-electrolyte solution, history of gastric stapling or bypass procedure, or a history of prior colonic or rectal surgery. Patients were excluded if there was a suspected diagnosis of intestinal obstruction because of advanced colorectal cancer.

Design outcomes

Primary

Measure	Time frame
Efficacy of bowel preparation	—

Secondary

Measure	Time frame
tolerance, safty, and mucosal visibility	—

Countries

Japan

Contacts

Public ContactMasahiro Tajika

Aichi Cancer Center Hospital Department of Endoscopy

mtajika@aichi-cc.jp052-762-6111

Outcome results

None listed

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