In Vitro Evaluation of the New Oral Cephalosporin Cefatrizine: Comparison with Other Cephalosporins

Author:

Blackwell C. Caroline1,Freimer Earl H.,Tuke Gregory C.

Affiliation:

1. Department of Microbiology, Medical College of Ohio at Toledo, Toledo, Ohio 43614

Abstract

Cefatrizine (BL-S640), a semisynthetic, orally administered cephalosporin, was found to have an in vitro spectrum of activity comparable to those of four other cephalosporins tested. It is as effective as cephalexin, the other orally administered cephalosporin evaluated, against most species, and it appears to be more effective than cephalexin against many Enterobacter, Haemophilus , and Proteus strains isolated in our hospital. It is not inactivated by the plasmid-determined β-lactamases of 14 strains of ampicillin-resistant Salmonella typhimurium or the ampicillin resistance determinant of an H. influenza strain from the Center for Disease Control. No synergy was observed between cefatrizine and gentamicin, kanamycin, carbenicillin, or polymyxin when tested against selected strains.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

Reference16 articles.

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2. Bristol Laboratories. 1974. Basic data brochure oral BL-S640 PG. Bristol Laboratories Syracuse N.Y.

3. Oral and parenteral cephalosporins: the place of cephalexin in antibacterial therapy;Finland M.;Drugs,1972

4. In vitro activity of cephalosporin antibiotics against gram positive bacteria;Kayser F. H.;Postgrad. Med. J.,1971

5. BL-S640, a cephalosporin with a broad spectrum of antibacterial activity: properties in vitro;Leitner F.;Antimicrob. Agents Chemother.,1975

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