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Effectiveness of Papillary Balloon Dilation Prior to Fully Covered Metallic Stent Placement during ERCP: A Multicenter Randomized Controlled Study

Effectiveness of Papillary Balloon Dilation Prior to Fully Covered Metallic Stent Placement during ERCP: A Multicenter Randomized Controlled Study

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ChiCTR
Registry ID
ChiCTR2600117514
Enrollment
Unknown
Registered
2026-01-26
Start date
2026-02-01
Completion date
Unknown
Last updated
2026-02-02

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

Conditions

Obstructive jaundice

Interventions

Experimental group:Endoscopic papillary balloon dilation (EPBD)
Control group:none

Sponsors

The FIrst Affiliated Hospital, College of Medicine, Zhejiang University
Lead Sponsor

Eligibility

Sex/Gender
All
Age
18 Years to 80 Years

Inclusion criteria

Inclusion criteria: 1. Age: Adult patients aged 18 to 80 years. 2. Diagnosis: Patients with distal malignant biliary obstruction who are scheduled to undergo ERCP with biliary stent placement. 3. Laboratory criteria: Total bilirubin level >100 µmol/L, indicating significant cholestasis. 4. Informed consent: Patients who voluntarily participate in the study and have provided written informed consent.

Exclusion criteria

Exclusion criteria: 1. Previous history: Patients with a history of ERCP, prior sphincterotomy, or biliary stricture dilation. 2. Patients with acute pancreatitis or acute cholangitis/infection. 3. Significant comorbidities: such as severe cardiovascular disease, acute liver failure, etc. 4. Pregnant or lactating women. 5. Patients unable to comply with the study: those with language barriers, psychiatric disorders, or other conditions impairing their ability to understand and follow study requirements. 6. Patients with severe coagulopathy or those unable to tolerate dilation procedures. 7. Complete pancreatic duct obstruction or anomalies. 8. Benign biliary strictures. 9. Hilar biliary obstruction (strictures within 2 cm of the hepatic hilum).

Design outcomes

Primary

MeasureTime frame
Incidence of post-ERCP pancreatitis (PEP);

Secondary

MeasureTime frame
Complication rate within 30 days after ERCP;Difficulty in stent delivery system advancement;Serum total bilirubin level;Postoperative stent migration;Postoperative length of hospital stay;

Countries

China

Contacts

Public ContactKangjie Chen

The FIrst Affiliated Hospital, College of Medicine, Zhejiang University

ckj_zyyy@zju.edu.cn+86 571 8723 6114

Outcome results

None listed

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