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  • Title: [High-dose leucovorin and 5-fluorouracil in advanced gastric and colorectal cancer. High-Dose Leucovorin and 5-FU Study Group].
    Author: Sasaki T, Ota K, Sakata Y, Matsuoka T, Wakui A, Akazawa S, Ogawa M, Mukaiyama T, Yoshino M, Sakai Y.
    Journal: Gan To Kagaku Ryoho; 1990 Dec; 17(12):2361-8. PubMed ID: 2260872.
    Abstract:
    A multicenter cooperative study was conducted from June 1988 to July 1989 to evaluate the clinical efficacy of high-dose dl-Leucovorin (dl-LV) and 5-FU treatment in 61 cases of advanced gastric and colorectal cancer. The administration schedule was a 2-hour infusion of dl-LV (500 mg/m2) and an IV bolus of 5-FU (600 mg/m2), given 1 hour after the beginning of LV infusion. Patients (pts.) were treated q week x 6 then evaluated for response. Thirty one gastric cancer pts. were divided into two groups; nine pts. treated with 30 min. infusion of 5-FU, and the remaining 23 pts. treated with IV bolus. PR was obtained in 2/9 (22.2%) and in 7/22 (31.8%) of the first and second group, respectively. An overall response rate was 9/31 (29%). Thirty colorectal cancer pts. were divided the same: 13 pts. treated with 30 min. infusion of 5-FU and the remaining 17 pts. treated with IV bolus. PR was obtained in 2/13 (15.4%) and in 7/17 (41.2) of the first and second groups, respectively. An overall response rate was 9/30 (30%). Median survival time for the gastric cancer group was 9.4 months, and for the colorectal cancer group was 13.6 months. Toxicity was within acceptable limits. Toxic effects included diarrhea, stomatitis, anorexia and myelohypoplasia. Our data suggests that high dose LV and 5-FU seems to be a very promising combination and warrants a further investigation.
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