Continuous Infusion of Oxaliplatin plus Chronomodulated Capecitabine in 5-Fluorouracil- and Irinotecan-Resistant Advanced Colorectal Cancer Patients
- 1 August 2005
- journal article
- research article
- Published by S. Karger AG in Oncology
- Vol. 69 (1), 27-34
- https://doi.org/10.1159/000087285
Abstract
Objectives: The aim of the study was to define the feasibility and efficacy of Xelox (capecitabine and oxaliplatin) administered through a new and original schedule in advanced pretreated colorectal cancer (CRC) patients. Methods: 36 metastatic CRC patients resistant at least to a previous 5-fluorouracil- and irinotecan-based chemotherapy line were included in the study. Treatment: Oxaliplatin 70 mg/m2 as continuous infusion for 12 h (8.00 a.m. to 8.00 p.m.) on days 1, 8 plus chronomodulated capecitabine 1,750 mg/m2/day per os (8.00 a.m. 25% of total dose; 6.00 p.m. 25% of total dose; 11.00 p.m. 50% of total dose), on days 1–14 every 21 days. 16 (44.4%) patients had previously received only 1 chemotherapy line for metastatic disease and 20 patients (55.6%) 2 chemotherapy lines. Moreover, 12 patients (33.3%) progressed after a first or second line of oxaliplatin-based regimen as well. Results: Most frequent related G3–4 adverse reactions were diarrhea (11.6%), nausea/vomiting (8.3%), neuropathy (8.3%), mucositis (8.3%), asthenia (16.7%) and hand-foot syndrome (5.5%). G3–4 anemia, leucopenia and liver toxicities were not observed. The overall response rate was 30.6% (11/36 patients). Disease stabilization was observed in 13 patients (36.1%) and progression in 12 patients (34.3%). Between the 12 oxaliplatin-resistant patients, the overall response rate was 25% (3 patients); 6 patients (54.5%) obtained a stable disease, and only 3 patients (25%) progressed. The median overall survival was 11.3 months (95% confidence interval 7.0–15.7 months), the median response duration 2.8 months (95% confidence interval 1.2–5.6 months) and the median time to progression 6.7 months (95% confidence interval 5.7–6.3 months). The 1-year survival rate was 53.8%. Conclusions: The high overall tumor growth control, the remarkable median time to progression and overall survival and the good safety profile are of particular interest for patients with heavy pretreated metastatic CRC.Keywords
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