PMID: 2505685Aug 1, 1989Paper

Blood levels of mitomycin C in patients given by various routes of administration

Gan to kagaku ryoho. Cancer & chemotherapy
T KatoH Suzuki

Abstract

Twenty mg of mitomycin C was administered to patients with colo-rectal cancer through various routes of administration. The values of pharmacokinetic parameters were as follows Intra-arterial administration (3 patients with rectal cancer): T1/2 alpha 8.4 min, T1/2 beta 63.8 min, maximum concentration (5 min after ia injection) 0.83 microgram/ml, AUC0-120 25.0 micrograms/ml/min. Intra-portal administration (7 patients with colon cancer): T1/2 alpha 6.1 min, T1/2 beta 61.0 min, maximum concentration (5 min after iv.) 0.75 microgram/ml, AUC0-120 25.3 micrograms/ml/min. Intra-peritoneal administration (14 patients with colon cancer): maximum concentration (20-30 min after i.p.) 0.23 microgram/ml, AUC0-120 21.1 micrograms/ml/min. Intra-pelvic administration (7 patients with rectal cancer): maximum concentration (20-30 min after i.p.) 0.06 micrograms/ml, AUC0-120 7.3 micrograms/ml/min. The reduction curve of intra-arterial administration closely resembles to that of intra-portal administration. Maximum blood level and AUC of intracavitary administration were relatively low compared with those of administration into blood vessels. Bone marrow suppression was seen in patients given mitomycin C into blood vessels and wound healing distu...Continue Reading

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