Prophylaxis of post-ERCP pancreatitis by the intravenous administration of the non-steroidal anti-inflammatory drug

INTERVENTION: Intravenous administration of flurbiprofen axetil over 15 min from the start of ERCP No intravenous administration of flurbiprofen axetil over 15 min from the start of ERCP CONDITION: Post‐ERCP pancreatitis PRIMARY OUTCOME: The primary outcome is reduction in the rate of post‐ERCP pancreatitis, defined as new upper abdominal pain and hyperamylasemia. SECONDARY OUTCOME: Secondary outcomes included prevention of increase in post‐ERCP serum amylase levels and reduction in the severity of PEP. INCLUSION CRITERIA: Patients who underwent ERCP