Efficacy of ERCP in the Diagnosis and Treatment of Idiopathic Recurrent Acute Pancreatitis

The goal of this clinical trial is to learn if endoscopic retrograde cholangiopancreatography (ERCP) works to treat idiopathic recurrent pancreatitis (IRAP) in adults. It also clarify the efficacy of ERCP in the diagnosis of IRAP. The main questions it aims to answer are: Does ERCP reduce the frequency of pancreatitis episodes in IRAP patients? Does ERCP contribute to identify the etiology of IRAP patients? Participants will be randomly allocated to receive ERCP (pancreatic sphincterotomy and pancreatic stent placement) or conservative treatment and be followed for 1 year.