Low-Dose vs Standard-Dose Indomethacin for Preventing Post-ERCP Pancreatitis

Exclusion Criteria

• •Standard contraindications to ERCP
• •Allergy to Nonsteroidal Anti-Inflammatory Drugs (NSAIDs)
• •Use of NSAIDs within 7 days prior to ERCP
• •Not suitable for NSAIDs administration (gastrointestinal hemorrhage within 4 weeks, renal dysfunction \[Cr \>1.4mg/dl=120umol/l\]; presence of coagulopathy before the procedure)
• •Acute pancreatitis within 3 days before ERCP
• •Hemodynamic instability
• •Pregnancy or lactation
• •Patients who are unwilling or unable to provide informed consent