Evaluation of early pre-cutting using cannulating sphincterotome for selective bile duct cannulation

Evaluation of early pre-cutting using cannulating sphincterotome for selective bile duct cannulation - ATOMIC trial

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000014846

Enrollment

200

Registered

2014-08-12

Start date

2014-08-12

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 tract disease

Interventions

Cannulating sphincterotome The algorithm for SBDC used before

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Naive pappila Candidate for EST No coaglopathy No surgical altered upper GI tract except for B1 Obtained written IC

Exclusion criteria

Exclusion criteria: No naive papilla Caglopathy Surgical altered upper GI tract Minor No written IC

Design outcomes

Primary

Measure	Time frame
SBDC rate Adverse event (pancreatitis, perforation, bleeding) procedure duration time (for SBDC, for EST)	—

Secondary

Measure	Time frame
Unsuccessful factors for SBDC and factors for adverse event for cannulation using cannulating sphincterotome	—

Countries

Japan

Contacts

Public ContactTESSHIN BAN

Nagoya Daini Red Cross Hospital Dept. of Gastroentelorogy and Hepatology

venzo@nagoya2.jrc.or.jp052-832-1121

Outcome results

None listed

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