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- W4386944723 abstract "To investigate the use of comprehensive pre-treatment staging with multiple diagnostic modalities, including functional imaging and minimally invasive surgical procedures, in locally advanced pancreatic cancer (LAPC) patients. The primary objective was to detect occult metastatic disease using staging laparoscopy and 18FFDG-PET/CT scan. The study also evaluated treatment efficacy and outcomes in LAPC patients treated with combined therapies.This study was a secondary analysis of three prospective studies of chemoradiotherapy (CRT) with or without induction chemotherapy (IC). The inclusion period was from December 2009 until February 2023. An intensified pretreatment staging was conducted for all LAPC patients. Patients without distant disease at initial staging, with borderline resectable or unresectable LAPC, were enrolled in chemoradiotherapy combination protocols (CRT with or without IC). IC regimens included GemOx or FOLFIRINOX for four cycles, followed by concurrent CRT with gemcitabine. The primary endpoint was the detection of occult metastatic disease, and secondary objectives included resection rate, treatment toxicity, overall survival (OS), progression-free survival (PFS), local control (LC), and metastasis-free survival (MFS).Out of the 134 LAPC patients, 33.5% were identified with metastatic disease. Of these, 23.1% had a positive exploratory laparoscopy. Additionally, 13.4% were identified as having distant metastases by 18-FDG PET/CT. The median PFS for all patients who completed CRT was 14.3 months, and the median OS was 17.2 months. Resected patients after the combined therapies demonstrated significantly improved outcomes compared to non-resected patients (median PFS, 22.5 mo vs. 9.5 mo, P<0.001; median OS, 38.2 mo vs. 13 mo, P<0.001). Moreover, patients treated with IC followed by CRT showed significantly better outcomes compared to upfront CRT group (median PFS, 19 mo vs. 9.9 mo, P<0.001; median OS, 19.3 mo vs. 14.6 mo, P<0.001). At univariate logistic regression analysis, the adding of IC was the only predictor for resection rate (95% CI 0.12-1.02, P=0.05), and this data was confirmed at multivariate analysis (95% CI 0.09-0.98, P=0.04). Haematological and gastrointestinal toxicities were observed during treatment, with manageable adverse events.The use of comprehensive pre-treatment staging, including laparoscopy and 18F-FDG-PET/CT scan, is an effective approach in identifying occult metastatic disease in LAPC patients. Our findings offer valuable insights into accurate staging and treatment efficacy, providing evidence-based support for optimal management strategies in LAPC patients." @default.
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- W4386944723 date "2023-09-22" @default.
- W4386944723 modified "2023-10-03" @default.
- W4386944723 title "The impact of intensified staging and combined therapies in locally advanced pancreatic cancer: a secondary analysis of prospective studies" @default.
- W4386944723 doi "https://doi.org/10.1097/js9.0000000000000755" @default.
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