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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Treatment of skin, skin structure, bone, and joint infections with ceftazidime.

The collective experience with ceftazidime in the treatment of skin, soft tissue, bone, and joint infections is presented. Patients were treated with dosages ranging between 25 and 150 mg/kg per day for between five and 42 days. A total of 570 patients with skin and skin structure infections were treated with ceftazidime. Comparative studies, using either cefamandole or tobramycin plus ticarcillin as control drugs, included 239 patients. There were 600 evaluable patients in five categories of skin or skin structure infection: 252 patients had cellulitis, 107 had wound infections, 103 had abscesses, 90 had skin ulcers, and 48 had other miscellaneous infections. Bacteriologic etiologies were gram-negative rods in 303 episodes, gram-positive cocci in 241, anaerobes in 14 episodes, and miscellaneous other organisms in 48 episodes. Overall bacteriologic efficacy was 90 percent in ceftazidime-treated infections and 76 percent in control-treated infections. The clinical efficacy of ceftazidime against infections caused by the gram-positive cocci, particularly Staphylococcus species, was surprisingly good (85 percent) and similar to the efficacy achieved in the cefamandole-treated patients (85 percent). The overall clinical efficacy for ceftazidime was 93 percent. One hundred thirty-four patients with bone or joint infections received ceftazidime. The dosages were similar, but the duration of treatment was the longest in this group. Ceftazidime treatment was compared with standard dosages of tobramycin and ticarcillin in 11 patients. Osteomyelitis was cured in 58 of the 101 patients who received ceftazidime. In five patients, osteomyelitis failed to respond: in two, a resistant Pseudomonas strain emerged; the other three failures were due to persistent bone sequestra. Thirty-eight patients showed improvement. Of those in the tobramycin and ticarcillin group, nine of 10 evaluable patients (90 percent) showed either cure or improvement. The one failure was due to a persistent sequestrum. Thirteen patients with septic arthritis and seven with bursitis were also treated with ceftazidime; the overall cure rate was 75 percent. Adverse reactions to ceftazidime were severe, and the drug was discontinued in 13 of 570 (2.3 percent) patients with skin or skin structure infections and in five of 134 (3.7 percent) patients with bone and joint infections. These data suggest that ceftazidime is effective as monotherapy in the treatment of skin, skin structure, bone, and joint infections, and that it may be more efficacious against staphylococcal infections than predicted from in vitro data.[1]


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