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  • Title: [Antineoplastic effect of Hu-IFN-beta and other anticancer drugs on malignant brain tumors in athymic nude mice].
    Author: Nakamura O, Nomura K, Maruo K, Ueyama Y, Takakura K.
    Journal: No Shinkei Geka; 1985 May; 13(5):503-8. PubMed ID: 2410803.
    Abstract:
    We have been studying the therapeutic effect of anticancer drugs such as ACNU and vincristine in human glioma-bearing nude mice models and this time, the effect of interferon was also evaluated. Since 1980, the phase 1, 2 clinical trials on Hu-Interferon (IFN) have been studied in the neurosurgical field and the effect is now regarded to be not as pronounced as previously expected. It is difficult to compare the effect of IFN with other anticancer drugs in an in-vivo study, because of the species specificity of IFN, and only a few studies have so far been reported. With respect to evaluating the therapeutic effect of IFN, the nude mouse model is thought to be useful. The anticancer activity of beta-IFN in nude mice, receiving subcutaneous transplants of human brain tumors (6 strains) was compared with that of conventional anticancer drugs. After 3 weeks of treatment with ACNU, vincristine, bleomycin, mitomycin C, alpha-IFN, beta-IFN, poly ICLC, the tumor reduction rates were evaluated by Battelle's method. Although in 2 out of 6 glioma strains, the tumor reduction rate (treated/control values) treated with beta-IFN was evaluated as effective, the effectiveness of beta-IFN was inferior to that of ACNU and vincristine. Therefore, further studies are indicated to evaluate the efficiency of the drug at higher dosage levels and to determine its tolerance dose. The combined modality treatment such as chemotherapy and radiation are issues that are still to be settled by further studies.
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