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Continued in vitro and in vivo release of an antitumor drug from albumin microspheres

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Summary

Heated albumin microspheres with an average diameter of 45±8 μm and containing mitomycin C, released, in vitro, about 20% of this antibiotic over a 3-day period. VX-2 tumors were implanted into the hind leg of rabbits and the drug-containing microspheres were injected into the femoral artery of these animals. High levels of the drug were maintained for several hours in the tumor and growth of the tumor was inhibited considerably, compared to findings in control rabbits given the conventional mitomycin C. Half the number of the rabbits treated with our new method are alive with no evidence of tumor.

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We thank M. Ohara for reading the manuscript.

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Fujimoto, S., Endoh, F., Kitsukawa, Y. et al. Continued in vitro and in vivo release of an antitumor drug from albumin microspheres. Experientia 39, 913–916 (1983). https://doi.org/10.1007/BF01990435

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  • DOI: https://doi.org/10.1007/BF01990435

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