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  • Title: [In vitro antibacterial activity of cefpirome: a new cephalosporin; results of a multicenter study].
    Author: Soussy CJ, Chanal M, Derlot E, Goldstein F, Duval J.
    Journal: Pathol Biol (Paris); 1994 Oct; 42(8):754-60. PubMed ID: 7724247.
    Abstract:
    The in vitro activity of cefpirome, a new injectable cephalosporin was studied against 1,082 clinical isolates in a multicentre study. Minimum inhibitory concentrations were determined using an agar dilution method. Cefpirome was active against Enterobacteriaceae. On naturally non-producing beta-lactamase species, cefpirome was active on most of the strains with MICs < or = 0.5 mg/l, including strains producing an acquired penicillinase: E. coli 0.03-0.06, P. mirabilis 0.06-0.12, Salmonella spp. 0.06-0.06, Shigella spp. 0.016-0.03. MICs of K. pneumoniae (0.06-4) ranged from 0.016 to 32:MICs were high against expanded-spectrum betalactamase producers strains. Against species producing cephalosporinase, cefpirome was also active on most of the strains with MICs < or = 0.5: E. cloacae 0.06-2, Citrobacter spp. 0.03-1, S. marcescens 0.06-0.5, P. indol + 0.06-0.25, P. stuartii 0.12-0.5. Cefpirome was less active on Pseudomonas aeruginosa, (8-32) and on A. baumanii (16-32). MICs of cefpirome were low against Haemophilus spp. betalactamase producing or not (0.01-0.03) and M. catarrhalis (0.6-4). Activity of cefpirome on methicillin-sensitive staphylococci, was higher than other third generation cephalosporins (0.25-2) comparable to that of cephalotin and cefamandol. Methicillin-resistant strains should be considered as resistant. Pneumococci (0.01-0.03), except for penicillin-R strains, and streptococci A, B, C, G (0.01-0.06) were very susceptible. Enterococci were of low sensitivity or resistant. Among anaerobes, C. perfringens appeared often susceptible, and Bacteroides spp. resistant.
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