期刊
CANCER MEDICINE
卷 9, 期 10, 页码 3463-3476出版社
WILEY
DOI: 10.1002/cam4.3011
关键词
cancer survival; healthcare costs; healthcare utilization; pancreatic cancer; retrospective study
类别
Background Pancreatic cancer represents the third leading cause of US cancer deaths, with median survival <1 year. The goal of this study was to describe systemic treatments, healthcare utilization and costs, and overall survival among patients with unresectable/metastatic disease. Methods This study used healthcare claims for commercial and Medicare Advantage enrollees diagnosed with pancreatic adenocarcinoma (at index date) during January 01 2010 to 31 May 2017. Included patients were aged >= 18 years, with continuous 6-month preindex enrollment. Patients were excluded by resectable disease, another primary cancer, or pregnancy. Cohorts were based on first-line (LOT1) chemotherapy regimen. Results Overall, 12 978 patients (mean age 70 years, 51% male) were included, among which 5610 (43%) received chemotherapy. Of those, 23% received gemcitabine monotherapy, 22% gemcitabine-nab paclitaxel, 22% FOLFIRINOX, 3% FOLFOX, and 29% received other regimens. Mean LOT1 duration was 112 days; 60% did not undergo subsequent lines of therapy. Moreover, 50% of patients had an emergency room visit and 45% were hospitalized during LOT1. Among treated and untreated patients, mean total 6-month costs were $52 101. We found that patients receiving FOLFIRINOX had the highest costs, whereas those who received gemcitabine monotherapy had the lowest. Median overall survival (mOS) was 335 days with any first-line treatment. FOLFIRINOX-treated patients had the highest mOS (492 days), whereas gemcitabine monotherapy-treated patients had the lowest (223 days). Conclusions A large proportion (57%) of patients with unresectable/metastatic pancreatic cancer did not receive chemotherapy. Healthcare costs were higher for fluorouracil-based regimens, while lower for gemcitabine-based regimens. Survival rates were within expectations for advanced pancreatic cancer.
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