Journal
EUROPEAN JOURNAL OF CANCER
Volume 45, Issue 1, Pages 65-73Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.ejca.2008.09.005
Keywords
Colorectal cancer; Venous thrombosis; Chemotherapy
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Aim of the study: To investigate the incidence and clinical implications of venous thromboembolism (VTE) in advanced colorectal cancer (ACC) patients treated and followed-up through a prospective randomised trial, comparing FOLFIRI chemotherapy given as an intermittent or as a continuous schedule. Patients, materials and methods: A total of 266 patients were randomised by 15 experimental centres: 168 (63.2%) were males, median age: 64.6 years, age range: 37-76 years. Almost all (95.5%) patients had metastatic disease, while the remainder were classified with locally advanced irresectable disease. For 138 (51.9%) of the patients, the chemotherapy treatment was intermittent FOLFIRI and the remaining patients received continuous treatment. All toxicities, including VTE, were prospectively collected. Results: During the study protocol, the central data management gathered two cases of VTE. Our analysis retrieved 27 (10.2%) patients who developed a VTE, almost all (89%) during the course of chemotherapy treatment: 20 out of 27 during FOLFIRI, the remaining 7 during following lines or follow-up. VTE was the most frequent grade 3/4 toxicity. The incidence of WE was significantly increased in the patients receiving continuous rather than intermittent treatment (HR 2.67, 95% CI 1.17-6.10; p < 0.02). Conclusion: VTE is a common complication among advanced colorectal cancer patients and yet this type of toxicity is widely underestimated. in this randomised trial, VTE was the most frequent grade 3/4 toxicity. Use of an intermittent schedule is associated with a reduced risk of developing VTE. (c) 2008 Elsevier Ltd. All rights reserved.
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