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  • Title: Treatment of patients with advanced gastric carcinoma with the combination of etoposide plus oral tegafur modulated by uracil and leucovorin. A phase II study of the ONCOPAZ Cooperative Group.
    Author: Feliu J, González Barón M, García-Girón C, Espinosa E, García-Alfonso P, Belón J, Blanco E, Garrido P, Ordónez A, Gómez-Navarro J, Zamora P.
    Journal: Cancer; 1996 Jul 15; 78(2):211-6. PubMed ID: 8673994.
    Abstract:
    BACKGROUND: Both the biochemical modulation and the continuous administration of 5-fluorouracil (5-FU) have achieved promising results in patients with gastric carcinoma. Conversely, several studies on gastric carcinoma have demonstrated that the combination of etoposide (VP-16), leucovorin (LV), and 5-FU (ELF) is efficacious and moderately toxic. UFT is a combination of uracil and tegafur (ftorafur) in a 4:1 molar ratio. It can be administered orally for several weeks, thus stimulating the effects of a continuous infusion of 5-FU. Its combination with LV increased the efficacy of UFT. We conducted a Phase II study on patients with gastric carcinoma using the combination VP-16-LV-UFT. This combination is administered mainly orally (p.o) and could yield a good response rate and low toxicity. METHODS: Forty-six patients with bidimensionally measurable disease were entered into the study. Patients received VP-16 100 mg/m2 IV on Day 1 and 200 mg/ m2 p.o. on Days 2 and 3; LV 500 mg/m2 administered intravenously (i.v.) on Day 1, followed by p.o. LV 15 mg every twelve hours on Days 2 to 14. Patients also received UFT p.o. 390 mg/m2/day on Days 1 to 14. Treatment was repeated every 28 days for a minimum of 3 courses per patient. All courses were given on an outpatient basis. RESULTS: Four patients (9%) had a complete response, and 12 a partial response (26%) for an overall response rate of 35% (95% confidence interval: 22-51%). The median duration of response was 10 months. The median overall survival was 9 months. The main side effects were gastrointestinal. Grade 3 to 4 toxicity was encountered as follows: diarrhea in 17% of the patients, nausea/vomiting in 11%, anemia in 13%, mucositis and leukopenia in 4% each, and thrombocytopenia in 2%. One patient died of sepsis and neutropenia. CONCLUSIONS: VP-16-LV-UFT has an activity comparable to that of other schemes and a low incidence of side effects. Furthermore, since it is administered mainly orally, hospitalization is avoided, which makes this scheme suitable for patients with advanced gastric carcinoma.
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