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Clinical and genomic characterisation of early-onset pancreatic cancer

EUROPEAN JOURNAL OF CANCER(2023)

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摘要
Background: The incidence of early-onset pancreatic cancer (EOPC) has risen dramatically in recent years. We aimed to characterise the clinical and genomic features of EOPC and evaluate their therapeutic implications.Methods: We performed a comparative, single-centre, retrospective analysis of clinical, germline, and genomic features in EOPC (<= 50 years) patients and compared them with a control group of average-onset pancreatic cancer patients (AOPC, >= 70 years). Key molecular findings were compared with an external, publicly available cohort.Results: We reviewed 336 patients who met all inclusion criteria (EOPC N = 139, AOPC N = 197). EOPC was associated with smoking status, lower prevalence of diabetes, better performance status, higher CA19.9 levels, and higher albumin levels at diagnosis. After adjustment for baseline covariates, we observed no differences in overall survival (OS). Age was associated with an increase in the incidence of KRASMUT both in our cohort and the validation cohort. EOPC were enriched in potentially actionable alterations according to ESCAT tiers I-IIIA when compared with AOPC in discovery and validation cohorts (19% versus 14% and 14% versus 8%, respectively). In the first-line metastatic setting, EOPC had a longer progression-free survival (hazard ratio [HR] 0.61, 95% confidence interval (CI) 0.43-0.87) and OS (HR 0.65, 95% CI 0.45-0.95), although there were no differences in response rate. After adjusting for the number of treatment lines, EOPC patients who did receive targeted therapies exhibited longer OS compared with EOPC who did not (HR 0.34, 95% CI 0.12-0.93).Conclusions: EOPC patients have improved outcomes in the metastatic setting when com-pared to AOPC and are enriched for targetable alterations that open opportunities for precision oncology-based approaches.(c) 2023 Published by Elsevier Ltd.
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关键词
Early-onset pancreatic cancer,Precision medicine,Genomic profiling,ESCAT alterations,Familial pancreatic cancer
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