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Medline ® Abstract for Reference 35

of '成人癌症患者静脉血栓栓塞症的风险及预防'

35
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Venous thromboembolism predicts poor prognosis in irresectable pancreatic cancer patients.
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MandalàM, Reni M, Cascinu S, Barni S, Floriani I, Cereda S, Berardi R, Mosconi S, Torri V, Labianca R
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Ann Oncol. 2007;18(10):1660. Epub 2007 Jul 28.
 
BACKGROUND: The aim was to investigate the outcomes associated with venous thromboembolism (VTE) among irresectable pancreatic cancer patients.
METHODS: This is a follow-up study of consecutive irresectable cancer patients, treated and followed up in clinical trials between December 2001 and December 2004 in order to evaluate the prognostic impact of symptomatic VTE on clinical outcomes, such as response to treatment, progression-free survival (PFS) and overall survival (OS).
RESULTS: Among 227 irresectable pancreatic cancer patients, with Eastern Cooperative Oncology Group performance status (ECOG-PS)<or = 2, 59 (26.0%) patients developed a VTE. A synchronous VTE occurred in 28 (12.3%) patients, while a VTE during chemotherapy was observed in 15 (6.6%) patients, and 16 (7.0%) patients experienced both events. Presence of synchronous VTE was associated with a higher probability of not responding to treatment (odds ratio 2.98, 95% CI 1.42-6.27, P = 0.004), but showed no effect on both PFS and OS at least at multivariate analysis. Occurrence of a VTE during chemotherapy showed a statistically significant effect on PFS (hazard ratio [HR]2.59, 95% CI 1.69-3.97, P<0.0001) and OS (HR 1.64, 95%CI 1.04-2.58, P = 0.032).
CONCLUSIONS: Our data suggest that the occurrence of VTE may be associated with a reduced response rate and a shorter PFS and OS among patients with irresectable pancreatic cancer. In these patients the development of VTE may reflect the presence of a biologically more aggressive cancer that in turn leads to a worse prognosis.
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Unit of Medical Oncology, Ospedali Riuniti, Bergamo, Italy. mariomandala@tin.it
PMID