Phase II Trial of Oral UFT and Leucovorin in Advanced Gastric Carcinoma

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Abstract
A phase II trial was performed with oral UFT plus leucovorin (LV) in 16 patients with advanced gastric carcinoma. Treatment consisted of UFT, 480 mg/m2/day, in conjunction with LV administered at 25 mg/m2/day per os in divided daily doses for 21 days followed by a 7-day rest period. The median age of the patients was 64 years, with a median World Health Organization (WHO) performance status of 2. One patient was previously treated with etoposide, doxorubicin, and cisplatin (EAP). A median of four courses of treatment were given per patient (range: 1-9). Among 14 evaluable patients, one patient achieved a complete response and 3 had partial responses (response rate: 28.5%, 95% confidence interval, 4.9 to 52.3%). Stable disease was reported in 5 patients (35.7%) and another 5 showed progression. The time to progression was 17, 18, 27, and 76+ weeks for the responding patients, respectively. The median duration of survival was 25 weeks (range: 10-76+) for 14 evaluable patients. All patients were evaluable for toxicity. The main toxicity was diarrhea and oral mucositis. Significant toxicity (WHO grade 3 or 4) included diarrhea in 7 patients (43.8%), oral mucositis in 2 (12.5%), and nausea/vomiting in 2, respectively. We conclude that oral UFT plus LV, an out-patient regimen, has a favorable activity in gastric carcinoma patients and has tolerable toxicities.