Efficacy of a newly designed biliary cytology brush for malignant biliary stricture

Efficacy of a newly designed biliary cytology brush for malignant biliary stricture - New biliary device study

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000009895

Enrollment

140

Registered

2013-03-01

Start date

2013-03-13

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

Malignant biliary strictures

Interventions

The new device is used after a biopsy forceps during ERCP in cases of malignant biliary stricture.

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Malignant biliary stricture is suspected. 2. The patient in whom ERCP can be done by a side-viewing endscope via ampulla of Vater . 3. The patients in whom written infomed consent is obtained.

Exclusion criteria

Exclusion criteria: 1. Performance status 4. 2. ASA physical status is more than 3. 3. Judged as inadequate for this study by the investigator.

Design outcomes

Primary

Measure	Time frame
Difference of sensitivity and specificity between the newly designed cytology brush after using biopsy forceps and biopsy forceps alone.	—

Countries

Japan

Contacts

Public ContactYojiro Sakuma

Kyoto University Faculty of medicine

yojiro@kuhp.kyoto-u.ac.jp075-751-4319

Outcome results

None listed

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