An Observation study for investing the relationship between hypoxia imaging endoscopy and the density of bile acid in colon, and clinical symptoms

An Observation study for investing the relationship between hypoxia imaging endoscopy and the density of bile acid in colon, and clinical symptoms - An Observation study for investing the relationship between hypoxia imaging endoscopy and the density of bile acid in colon, and clinical symptoms

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000050144

Enrollment

100

Registered

2023-01-26

Start date

2023-01-26

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

Abnormal defecation due to high or low bile acid

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Undergo lower gastrointestinal endoscopy 2) Patients with no history of gastrointestinal surgery including cholecystectomy

Exclusion criteria

Exclusion criteria: (1) Inability to obtain written consent

Design outcomes

Primary

Measure	Time frame
Correlation between bile pixel values measured in image enhancement mode and bile concentration in intestinal fluid	—

Secondary

Measure	Time frame
Correlation between pixel values measured in image enhancement mode and abdominal symptoms Correlation between pixel values measured in image-enhanced mode and blood bile markers	—

Countries

Japan

Contacts

Public ContactTakuma Higurashi

Yokohama City University Hospital Department of Gastroenterology and Hepatology

takuma_h@yokohama-cu.ac.jp0457872640

Outcome results