Journal
ANNALS OF ONCOLOGY
Volume 23, Issue 4, Pages 911-918Publisher
OXFORD UNIV PRESS
DOI: 10.1093/annonc/mdr329
Keywords
adjuvant; capecitabine; chemotherapy; colon cancer; elderly
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Background: This study was conducted to analyze the feasibility of adjuvant capecitabine therapy using a tailored-dose escalation strategy in elderly patients with colon cancer (CC). Methods: CC patients (>= 70 years of age) who received adjuvant capecitabine were enrolled. The starting dosage of capecitabine was 2000 mg/m(2)/day (days 1-14, every 3 weeks). On the second cycle, the dosage was escalated to 2500 mg/m(2)/day if the patient tolerated the first cycle. Dose intensity (DI), toxicity, and the change in quality of life (QoL) were evaluated. Results: Of 82 patients enrolled, 67 completed eight cycles. Dose escalation to 2500 mg/m(2)/day was possible in 56 patients, and this dosage was maintained in 24 patients until the completion of chemotherapy (eight cycles). Forty-one patients completed therapy with a DI >= 1333 mg/m(2)/day [relative dose intensity (RDI) >= 80%]. Toxic effects were tolerable and the QoL was not compromised during treatment. Creatinine clearance <50 ml/min and Charlson-Age comorbidity index >= 8 were related to a reduced capecitabine dosage (RDI < 80%). Conclusions: A tailored-dose escalation strategy was feasible in elderly CC patients receiving adjuvant capecitabine chemotherapy. Decreased renal function and an increased number of comorbidities were independently predictive of reduced administration of the capecitabine dose.
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