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  • Title: [Clinical study of intravesical instillation therapy of superficial bladder tumor--combination therapy of mitomycin C, adriamycin, peplomycin and cytosine arabinoside].
    Author: Kinoshita N, Tochigi H, Yanagawa M, Yamakawa K, Sakurai M, Hioki T, Kawamura J.
    Journal: Hinyokika Kiyo; 1990 Mar; 36(3):257-63. PubMed ID: 1693807.
    Abstract:
    The effect of intravesical combination chemotherapy on superficial bladder tumors was analyzed. Seventy-two patients were treated with intravesical instillation of the following anticancer drugs. MMC group: Mitomycin C (MMC) 10 mg and cytosine arabinoside (CA) 300 mg. ADM group: Adriamycin (ADM) 30 mg and CA 300 mg. PEP group: Peplomycin (PEP) 30 mg and CA 300 mg. MAC group: MMC 10 mg, ADM 30 mg and CA 300 mg. Antitumor effects in the MMC, ADM, PEP and MAC groups were evaluated in 16, 18, 17 and 21 patients and objective response (CR + PR) of tumor was observed in 87.5%, 50.0%, 35.3% and 28.6% of these patients. The papillary tumors, small tumors and low grade tumors responded better to these intravesical chemotherapies than the non-papillary tumors, the middle grade tumors and the high grade tumors. The recurrence rate in 72 patients was 6.9, 14.6 and 26.8% within 1, 2 and 3 years. No significant difference in the recurrence rate was observed between the MMC, ADM, PEP and MAC group, but the MMC group tended to have a lower recurrence rate than the other groups. The recurrence rate for the low grade tumors and the middle grade tumors was significantly lower than that for the high grade tumors and the small tumors. The major side effect of instillation therapy with these drugs was bladder irritation which appeared in 16.7% of all the patients (78 cases). In conclusion, intravesical chemotherapy is a useful approach for controlling superficial urinary bladder tumors, especially the combination of MMC and CA.
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