A pilot study to evaluate safety and efficacy of electrohydraulic lithotripsy for difficult biliary and pancreatic stones

A pilot study to evaluate safety and efficacy of electrohydraulic lithotripsy for difficult biliary and pancreatic stones - EHL for biliary/pancreatic stones

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000013130

Enrollment

Registered

2014-02-12

Start date

2014-03-01

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

Biliary and pancreatic stones

Interventions

EHL generator and probe

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1. Patients with biliary and pancreatic stones diagnosed using ultrasonography, endoscopic ultrasonography, CT or MRCP. 2. Biliary and pancreatic stones which can not be removed by endoscopic mechanical lithotripsy and extracorporeal shock-wave lithotripsy 3. 20 years or older 4. Patients who gave informed consent

Exclusion criteria

Exclusion criteria: 1. Patients with severe cholangitis 2. Patients with acute pancreatitis 3. In case of peroral cholangioscopy with EHL planned, patients who are unfit for peroral endoscopy are excluded. 4. Patients whose antithrombotic agents can not be discontinued or who have uncontrolled coagulopathy 5. Patients with pregnancy or suspected pregnanacy 6. Patients with a pacemaker 7. Patients who are considered ineligible by a attending physician

Design outcomes

Primary

Measure	Time frame
Complete removal of biliary and pancreatic stones	—

Countries

Japan

Contacts

Public ContactTsuyoshi Hamada

Graduate School of Medicine, The University of Tokyo Department of Gastroenterology

hamada-tky@umin.ac.jp03-3815-5411

Outcome results

None listed

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