Effectiveness of bile cytology using endoscopic transpapillary gallbladder drainage to distinguish gallbladder cancers from benign gallbladder diseases. -a prospective multicenter observational study-

Effectiveness of bile cytology using endoscopic transpapillary gallbladder drainage to distinguish gallbladder cancers from benign gallbladder diseases. -a prospective multicenter observational study- - Effectiveness of ETGD for diagnosis of gallbladder diseases

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000026929

Enrollment

Registered

2017-04-10

Start date

2017-05-23

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

Gallbladder disease

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Patients who are difficult to distinguish gallbladder cancers from benign gallbladder diseases by imaging modalities

Exclusion criteria

Exclusion criteria: 1) Patients with performance status 4. 2) Patients who have severe disease 3) Presence of apparent cancer infiltration of the liver, stenosis of common bile duct and distant metastasis 4) Age<20 5) Patients without informed concern. 6) Patients who are judged inappropriate by chief medical examiner.

Design outcomes

Primary

Measure	Time frame
Diagnostic accuracy of cytology	—

Countries

Japan

Contacts

Public ContactTakeshi Tomoda

Okayama University Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences Department of Gastroenterology & Hepatology

tomotake79@yahoo.co.jp086-235-7219

Outcome results