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  • Title: Efficacy of ceftizoxime administered twice daily in hospitalized patients with respiratory tract infections.
    Author: Lentnek A, Wikler M, McDevitt J, Sohn C.
    Journal: Clin Ther; 1984; 7(1):33-9. PubMed ID: 6097357.
    Abstract:
    The efficacy and safety of ceftizoxime administered twice daily were evaluated in 215 hospitalized patients with documented lower respiratory tract infections. The majority of patients received 1 to 2 gm of ceftizoxime intramuscularly or intravenously every 12 hours; the mean dosage was 2 gm/day, and the mean duration of therapy was 8.9 days. Clinical cure was achieved in 204 (95%) of the 215 patients with lower respiratory tract infection. One hundred and thirty-eight patients were both clinically and bacteriologically evaluable. The clinical response rates, by organism, were: Streptococcus pneumoniae, 100% (50/50); Haemophilus influenzae, 96% (25/26); gram-negative bacilli (Escherichia coli, Proteus mirabilis, Enterobacter sp, Serratia sp, Pseudomonas sp, Klebsiella sp, Citrobacter sp, and Morganella morganii), 86% (32/37); and Staphylococcus aureus, 92% (12/13). In the other 77 patients with clinical symptoms, no pathogen was isolated or insufficient follow-up data were collected to assess bacteriologic response. Adverse reactions, which were infrequent, were similar to those reported in other US trials of the drug. The findings indicate that ceftizoxime, 1 to 2 gm BID, is effective and safe in the treatment of lower respiratory tract infections in hospitalized patients. This low-dose regimen can significantly reduce the cost of cephalosporin therapy.
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