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WASHINGTON — Diabetic patients with severe skin infections had greater improvement when treated with meropenem than with imipenem-cilastatin, Dr. John M. Embil reported in a poster presented at the annual Interscience Conference on Antimicrobial Agents and Chemotherapy.
Skin and skin-structure infections are a perpetual problem for many diabetic patients, and may require surgical intervention if left untreated, wrote Dr. Embil of the University of Manitoba, Winnipeg, Canada.
The international, randomized, double-blind study included 1,037 hospitalized patients with complicated skin infections, 398 of whom were diabetic.
The clinical cure rate was 86% among the 204 diabetic patients who received a 500-mg intravenous dose of meropenem every 8 hours, compared with 72% among the 194 diabetic patients who received the same dosing regimen of imipenem-cilastatin. The cure rate among the nondiabetic patients treated with meropenem (87%) was similar to the rate in those treated with imipenem-cilastatin (89%).
Overall, meropenem was associated with slightly higher cure rates for all groups of pathogens—aerobic gram-negative, aerobic gram-positive, anaerobic, and polymicrobial—compared with imipenem-cilastatin, but the differences were not statistically significant. More than 40% of the pathogens were gram-negative aerobic or anaerobic organisms, and 29% of the Staphylococcus aureus isolates showed methicillin resistance. A similar spectrum of pathogens appeared in both diabetic and nondiabetic patients.
The study was sponsored in part by AstraZeneca, and the meeting was sponsored by the American Society for Microbiology.
WASHINGTON — Diabetic patients with severe skin infections had greater improvement when treated with meropenem than with imipenem-cilastatin, Dr. John M. Embil reported in a poster presented at the annual Interscience Conference on Antimicrobial Agents and Chemotherapy.
Skin and skin-structure infections are a perpetual problem for many diabetic patients, and may require surgical intervention if left untreated, wrote Dr. Embil of the University of Manitoba, Winnipeg, Canada.
The international, randomized, double-blind study included 1,037 hospitalized patients with complicated skin infections, 398 of whom were diabetic.
The clinical cure rate was 86% among the 204 diabetic patients who received a 500-mg intravenous dose of meropenem every 8 hours, compared with 72% among the 194 diabetic patients who received the same dosing regimen of imipenem-cilastatin. The cure rate among the nondiabetic patients treated with meropenem (87%) was similar to the rate in those treated with imipenem-cilastatin (89%).
Overall, meropenem was associated with slightly higher cure rates for all groups of pathogens—aerobic gram-negative, aerobic gram-positive, anaerobic, and polymicrobial—compared with imipenem-cilastatin, but the differences were not statistically significant. More than 40% of the pathogens were gram-negative aerobic or anaerobic organisms, and 29% of the Staphylococcus aureus isolates showed methicillin resistance. A similar spectrum of pathogens appeared in both diabetic and nondiabetic patients.
The study was sponsored in part by AstraZeneca, and the meeting was sponsored by the American Society for Microbiology.
WASHINGTON — Diabetic patients with severe skin infections had greater improvement when treated with meropenem than with imipenem-cilastatin, Dr. John M. Embil reported in a poster presented at the annual Interscience Conference on Antimicrobial Agents and Chemotherapy.
Skin and skin-structure infections are a perpetual problem for many diabetic patients, and may require surgical intervention if left untreated, wrote Dr. Embil of the University of Manitoba, Winnipeg, Canada.
The international, randomized, double-blind study included 1,037 hospitalized patients with complicated skin infections, 398 of whom were diabetic.
The clinical cure rate was 86% among the 204 diabetic patients who received a 500-mg intravenous dose of meropenem every 8 hours, compared with 72% among the 194 diabetic patients who received the same dosing regimen of imipenem-cilastatin. The cure rate among the nondiabetic patients treated with meropenem (87%) was similar to the rate in those treated with imipenem-cilastatin (89%).
Overall, meropenem was associated with slightly higher cure rates for all groups of pathogens—aerobic gram-negative, aerobic gram-positive, anaerobic, and polymicrobial—compared with imipenem-cilastatin, but the differences were not statistically significant. More than 40% of the pathogens were gram-negative aerobic or anaerobic organisms, and 29% of the Staphylococcus aureus isolates showed methicillin resistance. A similar spectrum of pathogens appeared in both diabetic and nondiabetic patients.
The study was sponsored in part by AstraZeneca, and the meeting was sponsored by the American Society for Microbiology.