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  • Title: [Clinical evaluation of anticancer effect of methionine-depleting total parenteral nutrition with 5-fluorouracil and/or mitomycin C].
    Author: Goseki N, Maruyama M, Nagai K, Kando F, Endo M, Shimoju K, Wada Y.
    Journal: Gan To Kagaku Ryoho; 1995 Jul; 22(8):1028-35. PubMed ID: 7611753.
    Abstract:
    Methionine-depleting total parenteral nutrition (Met-deplete TPN), infusing AO-90 amino acid solution (lacking both L-methionine and L-cysteine) as a sole nitrogen source, showed synergistic effects with several antineoplastics including 5-fluorouracil (5-FU). In the recent multi-center, randomized, controlled study, advanced gastric cancer patients were randomly allocated to RT group and Control group. RT group received AO-90 amino acid solution, while Control group infused Amiparen (commercial methionine and cysteine containing amino acid solution) as protein source for 14 days' TPN with 5-FU and mitomycin C (MMC). The over all clinical response rate (PR+CR) in RT and Control groups were 26.3% and 8.1%, respectively, with significant statistical difference in both values at p = 0.015. Fourteen advanced gastric cancer patients allocated to RT and Control group randomly and received each amino acid as protein source for 7 days TPN with 5-FU administration. All cases were performed gastrectomy without waiting period, and resected material was examined the histological response. In the 7 cases of RT group, grade 2 was seen in 4 cases, grade 1-b in 1, grade 1-a in 1 and grade 0 in 1. In the 7 of Control, 3 cases were grade 1-a and the remaining 4 were grade 0. There were significant differences in both degree and incidence of the histological response at p = 0.016. A stage IV gastric cancer patient with marked liver metastasis received 2 times RT therapy with 5-FU and MMC for 14 days and undertaken gastrectomy after 22 day, waiting period. Resected gastric cancer showed grade 2 to 3 histological response, and the liver metastasis showed marked effect as PR to CR.
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