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  • Title: Biodegradable mitomycin C microspheres given intra-arterially for inoperable hepatic cancer. With particular reference to a comparison with continuous infusion of mitomycin C and 5-fluorouracil.
    Author: Fujimoto S, Miyazaki M, Endoh F, Takahashi O, Okui K, Morimoto Y.
    Journal: Cancer; 1985 Nov 15; 56(10):2404-10. PubMed ID: 2412682.
    Abstract:
    Thirty-two patients with inoperable hepatic cancer underwent intra-arterial hepatic infusion using mitomycin C (MMC) and 5-fluorouracil (5-FU) or intra-arterial hepatic chemoembolization using heated albumin microspheres containing MMC with an average diameter 45 +/- 8 micron. Nineteen of the 32 patients received the MMC microsphere treatment and another 13 received the conventional infusion treatment, lasting for 3.4 months. The administered doses of MMC microspheres were 11.7 +/- 11.1 mg as MMC in the 12 with metastatic cancer and 6.9 +/- 2.1 mg as MMC in the 7 with hepatocellular cancer (HCC). On the contrary, the 13 patients who underwent conventional infusion had average doses of MMC 34.5 +/- 17.3 mg and of 5-FU 13.4 +/- 7.7 g, over 3.4 months. An objective tumor response was obtained in 13/19 (68.4%) under MMC microsphere chemoembolization, compared to 6/13 (46.2%) under the conventional infusion. The average level of CEA in the 12 with metastatic cancer, who underwent MMC microsphere therapy, dropped from 57.7 ng/ml to 16.5 ng/ml, while that in the 10 patients on conventional infusion dropped from 24.0 ng/ml to 17.4 ng/ml; that of alpha-fetoprotein dropped in all 7 with HCC on MMC microsphere chemoembolization, compared to a fall in 1/3 on conventional infusion. With the MMC microsphere treatment, 5 patients from colorectal cancer lived for 15.6 +/- 7.6 months, 2 are alive with a long life expectancy; and 7 patients from gastric or pancreatic cancer lived for only 9.3 +/- 3.3 months. In case of conventional infusion, 6 patients from colorectal cancer survived for 8.6 +/- 3.2 months; and 4 patients from gastric or gallbladder cancer survived for 6.0 +/- 1.0 months. The MMC microsphere treatment is superior at P = 0.059 in survival duration to the conventional infusion treatment. However, much the same survival occurred in 7 on MMC microsphere chemoembolization and 3 on continuous infusion.
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