Study of a new method (direct visual ON method) to ensure mouth to nose transition during endoscopic nasobiliary drainage (ENBD) tube placement

Study of a new method (direct visual ON method) to ensure mouth to nose transition during endoscopic nasobiliary drainage (ENBD) tube placement - ON method study for ENBD

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000049892

Enrollment

Registered

2022-12-25

Start date

2020-03-26

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

Patients scheduled for ENBD placement

Interventions

New method of ENBD placement (ON method)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (i) Patients scheduled for ENBD placement (ii) Patients who are able to obtain written consent for research participation of their own will (iii) Patients who are between 20 and 90 years of age at the time of consent

Exclusion criteria

Exclusion criteria: (i) Women who are pregnant or have the possibility of pregnancy (ii) Patients who are expected to have difficulty inserting a nasal endoscope (iii) Patients who are expected to have difficulty with ENBD placement due to previous surgeries in the nasal cavity or pharynx, etc.

Design outcomes

Primary

Measure	Time frame
Safety of the direct visual ON method during ENBD implantation	—

Countries

Japan

Contacts

Public ContactYasunari Sakamoto

International University of Health and Welfare Atami Hospital Department of Gastrointenterology and Hepatology

yasakamo@iuhw.ac.jp+81-557-81-9171

Outcome results

None listed

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