Usefulness of a new cytology devise for biliary stricture

Usefulness of a new cytology devise for biliary stricture - A useful new cytology devise for biliary stricture

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000005258

Enrollment

Registered

2011-04-01

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

malignant biliary stricture

Interventions

a conventional brush and following a new device (5 cases) a new device and following a conventional brush(5 cases)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Patients in whom malignant biliary stricture is suspected. 2) Patients in whom endoscopic approach to biliary tract is difficult. 3) Patinets in whom written informed consent cannot be obtained.

Exclusion criteria

Exclusion criteria: 1) Patients with poor general condition. 2) Bleeding tendancy 3) Patients with concominant severe illness. 4) Patients in whom doctors consider as improper.

Design outcomes

Primary

Measure	Time frame
1) Yields for adequate cytologic specimen sampling	—

Secondary

Measure	Time frame
1) Yields for adequate histologic spesimen sampling 2) Diagnostic accuracy 3) Complication rate	—

Countries

Japan

Contacts

Public ContactShujiro Yazumi

Kitano Hospital Digestive Disease Center

s-yazumi@kitano-hp.or.jp06-6312-1221

Outcome results

None listed

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