Lucocq, J; Hawkyard, J; Robertson, FP; Haugk, B; Lye, J; Parkinson, D; White, S; ... Pandanaboyana, S; + view all Lucocq, J; Hawkyard, J; Robertson, FP; Haugk, B; Lye, J; Parkinson, D; White, S; Mownah, O; Zen, Y; Menon, K; Furukawa, T; Inoue, Y; Hirose, Y; Sasahira, N; Feretis, M; Balakrishnan, A; Zelga, P; Ceresa, C; Davidson, B; Pande, R; Dasari, B; Tanno, L; Karavias, D; Helliwell, J; Young, A; Nunes, Q; Urbonas, T; Silva, M; Gordon-Weeks, A; Barrie, J; Gomez, D; Van Laarhoven, S; Doyle, J; Bhogal, R; Harrison, E; Roalso, M; Ciprani, D; Aroori, S; Ratnayake, B; Koea, J; Capurso, G; Bellotti, R; Stättner, S; Alsaoudi, T; Bhardwaj, N; Jeffery, F; Connor, S; Cameron, A; Jamieson, N; Sheen, A; Mittal, A; Samra, J; Gill, A; Roberts, K; Soreide, K; Pandanaboyana, S; - view fewer (2024) Risk of Recurrence After Surgical Resection for Adenocarcinoma Arising From Intraductal Papillary Mucinous Neoplasia (IPMN) With Patterns of Distribution and Treatment: An International, Multicenter, Observational Study (ADENO-IPMN Study). Annals of Surgery , 280 (1) pp. 126-135. 10.1097/SLA.0000000000006144.

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Abstract

Objective: This international multicenter cohort study aims to identify recurrence patterns and treatment of first and second recurrence in a large cohort of patients after pancreatic resection for adenocarcinoma arising from intraductal papillary mucinous neoplasm (IPMN). Background: Recurrence patterns and treatment of recurrence postresection of adenocarcinoma arising from IPMN are poorly explored. Methods: Patients undergoing pancreatic resection for adenocarcinoma from IPMN between January 2010 and December 2020 at 18 pancreatic centers were identified. Survival analysis was performed using the Kaplan-Meier log-rank test and multivariable logistic regression by Cox-Proportional Hazards modeling. End points were recurrence (time-to, location, and pattern of recurrence) and survival (overall survival and adjusted for treatment provided). Results: Four hundred fifty-nine patients were included (median, 70 years; interquartile range, 64-76; male, 54%) with a median follow-up of 78.1 months. Recurrence occurred in 209 patients [45.5%; median time to recurrence, 12.8 months; early recurrence (within 1 years), 23.2%]. Eighty-three (18.1%) patients experienced a local regional recurrence, and 164 (35.7%) patients experienced a distant recurrence. Adjuvant chemotherapy was not associated with reduction in recurrence (hazard ratio 1.09; P=0.669) One hundred twenty patients with recurrence received further treatment. The median survival with and without additional treatment was 27.0 and 14.6 months (P<0.001), with no significant difference between treatment modalities. There was no significant difference in survival between locations of recurrence (P=0.401). Conclusions: Recurrence after pancreatic resection for adenocarcinoma arising from IPMN is frequent with a quarter of patients recurring within 12 months. Treatment of recurrence is associated with improved overall survival and should be considered.

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