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  • Title: In vitro and clinical evaluation of ceforanide.
    Author: Lefrock JL, Holloway W, Carr BB, Schell RF.
    Journal: Am J Med Sci; 1984; 287(2):21-5. PubMed ID: 6711584.
    Abstract:
    Ceforanide, a new cephalosporin antibiotic with a long half-life (three hours), was evaluated for its antimicrobial activity, pharmacology, and clinical efficacy. Fifty-two patients with 56 infections due to susceptible organisms received ceforanide, 0.5 g, 1 g, or 2 g, intramuscularly or intravenously every 12 hours for four to 60 days (average: 14.1 days). The in vitro studies of our clinical isolates showed that 12.0 micrograms/ml or less of ceforanide inhibited all Streptococcus pneumoniae, beta hemolytic streptococci group A, B, F, Staphylococcus aureus, Staphylococcus epidermidis, Escherichia coli, Klebsiella pneumoniae, Proteus mirabilis and Hemophilus influenzae. After a 1 gram intramuscular dose, the mean peak serum concentration at one hour was 44.0 micrograms/ml, and at 12 hours was 3.8 micrograms/ml. After a 1 gram intravenous dose, the mean peak serum concentration was 65.0 micrograms/ml, and the mean trough serum concentration at 12 hours was 9.6 micrograms/ml. The infections treated included ten pneumonias, ten urinary tract infections, seven bacteremias, two osteomyelitis, and 35 skin-soft tissue infections. Of the 56 evaluable infections treated, 52 had a clinical cure with only four failures. Ceforanide was well tolerated, with no patients developing thrombophlebitis, or liver or renal abnormalities. Three patients developed abnormal Coombs' reactions and one had diarrhea.
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