Laboratory and clinical evaluation on carbenicillin

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  • Carbenicillin(α-carboxybenzyl penicillin)に関する基礎的,臨床的検討
  • Carbenicillin アルファ-carboxybenzyl penicillin ニ カンスル キソテキ , リンショウテキ ケントウ

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Abstract

The report deals with the laboratory and clinical assessment of Carbenicillin (CB-PC) on urinary tract infection. The results obtained were as follows. 1) The MIC of CB-PC against 268 strains of bacteria isolated from urinary tract infection were determined by plate dilution method. The MIC were less than 12.5 mcg/dl in 25% of Staphylococcus aureus, 66.1 % of Staphylococcus epidermidis, 26.7 % of Enterococcus, 5 % of Klebsiella, 38.1 % of E. coli, 37.5 % of Proteus vulgaris, 87.5 % of Proteus mirabilis, 66.7 % of Citrobacter, 14.3 % of Cloaca, 66.7% of Morganella, 50 % of Alcaligenes vulgaris and all of Providencia. The MIC of Pseudomonas aeruginosa ranged in 25 to 250 mcg/dl. As compared with AB-PC, CB-PC was more active against Klebsiella, Proteus vulgaris and Pseudomonas aeruginosa and less active against Staphylococcus. 2) Serum concentration following an intramuscular administration of 1.0 gm in three healthy adults reached the peak level of 20.8 mcg/ml in average after 30 minutes. Urinary recovery was 49 % and concentration was 1.227 mcg/ml for 6 hours. 3) Rat tissue assays were performed 30 minutes following an intramuscular injection of 20 mg per kg body weight and the kidney had the highest activity of 51.3 mcg/g in average of three rats. Other tissues were in the following order, liver, blood, lung and spleen. 4) Of 9 patients with secondary infection by Gram-negative rod after surgical procedures, six were treated effectively receiving parenterally 4.0 gm a day for 5 to 7 days.

Journal

  • Hinyokika Kiyo

    Hinyokika Kiyo 16 (11), 683-687, 1970-11

    京都大学医学部泌尿器科学教室

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