Cephacetrile: Clinical Evaluation in 27 Patients

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Abstract
Cephacetrile, a new derivative of 7-aminocephalosporanic acid, was evaluated in 27 patients. Soft tissue infections due primarily to gram-positive cocci were treated in 16 patients; 12 had bacteriological and clinical cure, and 4 improved but the lesions resolved incompletely or cultures remained positive. Seven of eight patients with respiratory tract infections were cured, including three with pneumococcal pneumonia; the eighth proved to have a noninfectious process and failed to respond. Two patients with acute urinary tract infections due to Escherichia coli had prompt clinical and bacteriological improvement, but follow-up was incomplete. One patient with sepsis due to Staphylococcus aureus expired. Laboratory abnormalities observed during cephacetrile therapy included mild eosinophilia in four patients, thrombocytosis in nine, direct Coombs' test positivity in four, and an elevated serum glutamic pyruvic transaminase in eight patients. No evidence of nephrotoxicity was detected. Severe superinfection due to Enterobacter species was observed in one patient. Mean peak serum concentrations of cephacetrile were 22, 69, and 104 μg/ml after 1 g intramuscularly, 1 g intravenously, and 1.5 g intravenously, respectively. Thus, in early studies cephacetrile was efficacious for selected bacterial infections, but determination of its comparative value within the cephalosporin group of antibiotics requires further clinical investigation.

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