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  • Title: [Antitumor effects of high-dose cisplatin in hypertonic saline against human ovarian tumors heterotransplanted in nude mice].
    Author: Sawada M, Ozaki M, Hongo J, Hirota Y, Inagaki M, Koizumi K, Okamoto E.
    Journal: Nihon Sanka Fujinka Gakkai Zasshi; 1987 Jul; 39(7):1103-7. PubMed ID: 3611881.
    Abstract:
    To overcome the dose limiting toxicity of cisplatin we administered high-dose (12 mg/kg) cisplatin together with hypertonic (3%) saline to tumor-bearing nude mice three times at four day intervals. The heterotransplanted human ovarian tumors consisted of a mucinous cystadenocarcinoma (designated as OVA-1), a poorly differentiated adenocarcinoma (OVA-2), an endometrioid adenocarcinoma (OVA-3) and three yolk sac tumors (YST-1,-2,-3). The mean volumes of the tumors in animals treated with a standard dose 6 mg/kg of cisplatin in 0.9% NaCl or 12 mg/kg of cisplatin in 3% NaCl were, as a percentage of the mean tumor volume in untreated animals: 51 and 26 for OVA-1, 28 and 15 for OVA-2, 11 and 7 for OVA-3, 7 and 14 for YST-1, 3 and 12 for YST-2, and 11 and 10 for YST-3, respectively. The most interesting result was that a high dose (12 mg/kg) of cisplatin succeeded in producing a strong antitumor effect on mucinous cystadenocarcinoma (OVA-1), which was resistant to standard dose cisplatin (6 mg/kg). A comparison of the body weight of tumor-bearing nude mice before and on Day 30 of treatment did not show any appreciable treatment-related changes.
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