A prospective randomized trial to evaluate the use of warning lights in reducing radiation exposure during ERCP

Status

Recruiting

Phases

Phase 4

Study type

Interventional

Source

ChiCTR

Registry ID

ChiCTR-IPR-14005349

Enrollment

Unknown

Registered

2014-08-12

Start date

2014-10-16

Completion date

Unknown

Last updated

2017-04-18

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Radiation exposure

Interventions

Experimental group :Warning light on and flashing

Control group :Warning light off

Eligibility

Sex/Gender

All

Age

18 Years to 100 Years

Inclusion criteria

Inclusion criteria: Adult patients undergoing therapeutic ERCP in the digestive endoscopy center of West China Hospital.

Exclusion criteria

Exclusion criteria: 1. Billroth II, cholangioenterostomy or other major gastrointestinal reconstruction operations; 2. Failure in cannulation; 3. Pregnant women; 4. Patients under the age of 18.

Design outcomes

Primary

Measure	Time frame
Fluoroscopy time;	—

Secondary

Measure	Time frame
Entrance skin dose (ESD);Dose-area product (DAP);	—

Countries

China

Contacts

Public ContactBing Hu

hubingnj@163.com+86 18980601278

Outcome results

None listed

Source: ChiCTR (via WHO ICTRP) · Data processed: Mar 7, 2026