A new penicillin with anti-klebsiella activity: 3-(5-tetrazolyl) penam.

  • BODEY GERALD P.
    The Department of Developmental Therapeutics, The University of Texas System Cancer Center, M.D. Anderson Hospital and Tumor Institute
  • WEAVER SUSANNE
    The Department of Developmental Therapeutics, The University of Texas System Cancer Center, M.D. Anderson Hospital and Tumor Institute
  • PAN THERESA
    The Department of Developmental Therapeutics, The University of Texas System Cancer Center, M.D. Anderson Hospital and Tumor Institute

抄録

The in vitroactivity of a new semi-synthetic penicillin, CP-35, 587, 3-(5-tetrazolyl) penam, was investigated against 496 clinical isolates of gram-negative bacilli and 113 clinical isolates of gram-positive cocci. All of the gram-positive cocci were sensitive to CP-35, 587 except penicillin G resistant isolates of Staphylococcus aureus. This antibiotic inhibited a majority of isolates of Escherichia coli, Klebsiellaspp. and Proteus mirabilisat a concentration of 6.25 μg/ml. Also, approximately half of the isolates of Serratia marcescensand Enterobacterspp. were inhibited at a concentration of 12.5μg/ml. CP-35, 587 was inactive when high concentrations of organisms were used as inocula. CP-35, 587 was more active than mezlocillin, azlocillin, amoxicillin, ticarcillin and carbenicillin against isolates of K. pneumoniae, but other<br>penicillins were more active than CP-35, 587 against other species of gram-negative bacilli.

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詳細情報 詳細情報について

  • CRID
    1390282679131622912
  • NII論文ID
    130003499406
  • DOI
    10.7164/antibiotics.30.724
  • ISSN
    18811469
    00218820
  • PubMed
    924895
  • 本文言語コード
    en
  • データソース種別
    • JaLC
    • Crossref
    • PubMed
    • CiNii Articles
  • 抄録ライセンスフラグ
    使用不可

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