Wire-guided cannulation: J shaped-tip or straight-tip guidewire

Wire-guided cannulation: J shaped-tip or straight-tip guidewire - WGC: J-shaped or straight tip guidewire

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000011978

Enrollment

160

Registered

2013-10-08

Start date

2013-10-14

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

Biliary disorders

Interventions

Biliary cannulation attempt with J-shaped tip GW for 10 min. If failed, biliary cannulation attempt with straight tip GW for another 10 min. Biliary cannulation attempt with straight tip GW for 10 min

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1)Naive papilla (2)Requirement for biliary cannulation (3)Written informed consent

Exclusion criteria

Exclusion criteria: (1)Impossible endoscopic intubation (2)Performance status 4 (3)After papilloplasty (4)Surgically-altered anatomy (5)Severe comorbidities in other organ (6)No receipt of informed consent (7)Patients considered unsuitable for enrollment

Design outcomes

Primary

Measure	Time frame
Successful biliary cannulation	—

Secondary

Measure	Time frame
Adverse event	—

Countries

Japan

Contacts

Public ContactIruru Maetani

Toho University Ohashi Medical Center Division of Gastroenterology an

maetani-gi@umin.ac.jp03-3468-1251

Outcome results

None listed

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