PURPOSE: To determine the maximal tolerated dose of capecitabine with oxaliplatin + radiotherapy in a phase I study of localized esophageal cancer.
PATIENTS AND METHODS: Oxaliplatin (85 mg/m(2)) administered on days 1, 15, and 29. Capecitabine administered twice daily 5 days weekly; dose levels (DL) were 1, 1000; 2, 1250; and 3, 1500 mg/m(2) with 50.4 Gy radiation.
RESULTS: Dose-limiting toxicity was reached at DL 3. Carboxylesterase expression in day 2 tumor specimens and induction correlated with response (p
CONCLUSION: The maximal tolerated dose was 85 mg/m(2) of oxaliplatin, 1,250 mg/m(2)/day of capecitabine, and 50.4 Gy of radiation.
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