{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,8,20]],"date-time":"2026-08-20T15:51:50Z","timestamp":1787241110033,"version":"build-2736575974"},"reference-count":104,"publisher":"MDPI AG","issue":"7","license":[{"start":{"date-parts":[[2025,3,21]],"date-time":"2025-03-21T00:00:00Z","timestamp":1742515200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["JCM"],"abstract":"<jats:p>This review aims to summarize the role of endoscopic therapy in the management and outcomes of recurrent acute pancreatitis (RAP). RAP is a clinical entity characterized by repeated episodes of acute pancreatitis in the setting of a normal gland or chronic pancreatitis (CP). The aetiology of RAP can be identified in about 70% of cases; for the remaining cases, the term \u201cidiopathic\u201d (IRAP) is used. However, advanced diagnostic techniques may reduce the percentage of IRAP to 10%. Recognized causes of RAP are gallstone disease, including microlithiasis and biliary sludge, sphincter of Oddi dysfunction (SOD), pancreatic ductal abnormalities (either congenital or acquired) interfering with pancreatic juice or bile outflow, genetic mutations, and alcohol consumption. SOD, as a clinical entity, was recently revised in the Rome IV consensus, which only recognized type 1 dysfunction as a true pathological condition, while type 2 SOD was defined as a suspected functional biliary sphincter disorder requiring the documentation of elevated basal sphincter pressure to be considered a true clinical entity and type 3 was abandoned as a diagnosis and considered functional pain. Endoscopic therapy by retrograde cholangiopancreatography (ERCP) and endoscopic ultrasound (EUS) has been proven effective when a mechanical obstruction is found and can be removed. If an obstruction is not documented, few treatment options are available to prevent the recurrence of pancreatitis and progression toward chronic disease. In gallstone disease, endoscopic biliary sphincterotomy (EBS) is effective when a dilated common bile duct or biliary sludge\/microlithiasis is documented. In type 1 SOD, biliary or dual sphincterotomy is generally successful, while in type 2 SOD, endotherapy should be reserved for patients with documented sphincter dysfunction. However, in recent years, doubts have been expressed about the real efficacy of sphincterotomy in this setting. When sphincter dysfunction is not confirmed, endotherapy should be discouraged. In pancreas divisum (PD), minor papilla sphincterotomy is effective when there is a dilated dorsal duct, and the success rate is the highest in RAP patients. In the presence of obstructive conditions of the main pancreatic duct, pancreatic endotherapy is generally successful if RAP depends on intraductal hypertension. However, despite the efficacy of endotherapy, progression toward CP has been shown in some of these patients, mainly in the presence of PD, very likely depending on underlying genetic mutations. In patients with IRAP, the real utility of endotherapy still remains unclear; this is because several unknown factors may play a role in the disease, and data on outcomes are few, frequently contradictory or uncontrolled, and, in general, limited to a short period of time.<\/jats:p>","DOI":"10.3390\/jcm14072150","type":"journal-article","created":{"date-parts":[[2025,3,21]],"date-time":"2025-03-21T10:10:08Z","timestamp":1742551808000},"page":"2150","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":4,"title":["Endoscopic Management of Recurrent Acute Pancreatitis"],"prefix":"10.3390","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-0900-3155","authenticated-orcid":false,"given":"Pier Alberto","family":"Testoni","sequence":"first","affiliation":[{"name":"Gastroenterology and Gastrointestinal Endoscopy, La Madonnina Clinic, Vita-Salute San Raffaele University, 20100 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-0042-2583","authenticated-orcid":false,"given":"Sabrina","family":"Testoni","sequence":"additional","affiliation":[{"name":"Unit of Gastroenterology and Gastrointestinal Endoscopy, IRCCS Policlinico San Donato, Vita-Salute San Raffaele University, 20100 Milan, Italy"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,3,21]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"653","DOI":"10.1097\/MPA.0000000000001053","article-title":"Recurrent Acute Pancreatitis International State-of-the-Science Conference with Recommendations","volume":"47","author":"Guda","year":"2018","journal-title":"Pancreas"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"2797","DOI":"10.1038\/ajg.2009.405","article-title":"Natural history of acute pancreatitis: A long-term population-based study","volume":"104","author":"Lankisch","year":"2009","journal-title":"Am. 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