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  • Title: In-vitro activity of BRL-36650, a novel beta-lactamase-stable penicillin, against multiply resistant gram-negative organisms.
    Author: Verbist L.
    Journal: J Antimicrob Chemother; 1986 Sep; 18(3):351-8. PubMed ID: 3095299.
    Abstract:
    The in-vitro activity of BRL-36650, a novel beta-lactamase-stable penicillin was tested in comparison with that of cefotaxime, ceftazidime, aztreonam and imipenem against 559 multiply resistant Gram-negative organisms, some of which were also resistant to third generation cephalosporins. BRL-36650 and imipenem were the most active antibiotics. Against 342 Enterobacteriaceae the MICs90 were: imipenem 2 mg/l, BRL-36650 4 mg/l, aztreonam 8 mg/l and cefotaxime 32 mg/l. Against 122 Pseudomonas aeruginosa the MICs90 were: BRL-36650 4 mg/l, imipenem 8 mg/l, aztreonam and ceftazidime 64 mg/l.
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