A prospective randomized controlled trial of wire guided deep biluary cannulation using straight and angled tip guidewire.

A prospective randomized controlled trial of wire guided deep biluary cannulation using straight and angled tip guidewire. - A prospective randomized controlled trial of WGC using using straight and angled guidewire.

Status

Recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000008445

Enrollment

180

Registered

2012-07-20

Start date

2012-07-20

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 diseases

Interventions

Biliary cannulation using straight tip guidewire Biliary cannulation using angled tip guidewire

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Diagnostic or therapeutic ERCP for biliary disease 2. Naiive papilla 3. Patients who understand and are willing to give a written informed consent about participation

Exclusion criteria

Exclusion criteria: 1. Patients with severely impaired hematological, hepatic, renal, and heart function. 2. Patients with performance status Patients with bleeding tendency (Plt < 50000, PT INR >= 1.5). 3. Patients with consciousness disorder (>=Japan Coma Scale I-1). 4. Patients with pancreatic disorder which need ERP. 5. Patients with tumor of amppulla of the Vater. 6. patients with surgically-altered anatomy of upper gastro intestinal tract excluding Billroth I method. 7. Patients considered ineligible for this study.

Design outcomes

Primary

Measure	Time frame
Success rate of biliary deep cannulation	—

Secondary

Measure	Time frame
Complicaion rate Total proceedure time of ERCP	—

Countries

Japan

Contacts

Public ContactTsuyoshi Hayashi

Sapporo Medical University Fourth Department of Internal Medicine

thayashi69@sapmed.ac.jp011-611-2111

Outcome results

None listed

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