期刊
GASTROENTEROLOGY
卷 164, 期 7, 页码 -出版社
W B SAUNDERS CO-ELSEVIER INC
DOI: 10.1053/j.gastro.2023.02.032
关键词
Pancreatic Cancer; Surveillance; High-Risk Individ-ual; Survival
Pancreatic ductal adenocarcinoma (PDAC) patients with a CDKN2A/p16 pathogenic variant diagnosed under surveillance have better outcomes, including increased resectability and improved survival, compared to patients diagnosed outside surveillance. This study analyzed data from the Netherlands Cancer Registry and found that PDAC patients under surveillance had higher rates of early stage cancer, underwent more surgical resections, and had longer survival times.
BACKGROUND & AIMS: Recent pancreatic cancer surveil-lance programs of high-risk individuals have reported improved outcomes. This study assessed to what extent outcomes of pancreatic ductal adenocarcinoma (PDAC) patients with a CDKN2A/p16 pathogenic variant diagnosed under surveillance are better as compared with patients with PDAC diagnosed outside surveillance.METHODS: In a pro-pensity score matched cohort using data from the Netherlands Cancer Registry, we compared resectability, stage, and survival between patients diagnosed under sur-veillance with non-surveillance patients with PDAC. Survival analyses were adjusted for potential effects of lead time.RESULTS: Between January 2000 and December 2020, 43,762 patients with PDAC were identified from the Netherlands Cancer Registry. Thirty-one patients with PDAC under surveillance were matched in a 1:5 ratio with 155 non surveillance patients based on age at diagnosis, sex, year diagnosis, and tumor location. Outside surveillance, 5.8% of the patients had stage I cancer, as compared with 38.7% of surveillance patients with PDAC (odds ratio [OR], 0.09; 95% confidence interval [CI], 0.04-0.19). In total, 18.7% of non surveillance patients vs 71.0% of surveillance patients un- derwent a surgical resection (OR, 10.62; 95% CI, 4.56-26.63). Patients in surveillance had a better prognosis, reflected by 5-year survival of 32.4% and a median overall survival of 26.8 months vs 4.3% 5-year survival and 5.2 months median overall survival in non-surveillance patients (hazard ratio, 0.31; 95% CI 0.19-0.50). For all adjusted lead times, survival remained significantly longer in surveillance patients than non-surveillance patients.CONCLUSION: Surveillance for PDAC in carriers of a CDKN2A/p16 pathogenic variant results in earlier detection, increased resectability, and improved survival as compared with non-surveillance patients with PDAC.
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