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The increasing frequency of methicillin-resistant Staphylococcus aureus as a cause of surgical site infections, and decreased susceptibility to vancomycin, highlight the need for alternative therapies. Daptomycin is a novel lipopeptide antibiotic used in the treatment of certain infections caused by Gram-positive organisms. It is a naturally-occurring compound found in the soil saprotroph Streptomyces roseosporus. Its distinct mechanism of action means that it may be useful in treating infections caused by multi-resistant bacteria Daptomycin is approved for the treatment of skin and skin-structure infections (4 mg/kg), and Staphylococcus aureus bacteremia, including right-sided endocarditis (6 mg/kg).
To evaluate the safety and efficacy of daptomycin when administered for a variety of gram-positive infections in a single neurosurgical unit.
During the last three years we use damtomycin (2006-2007-2008) in 64 cases. For the purpose of this study, the safety and efficacy of daptomycin were evaluated in patients who received doses of 4 mg/kg or higher. Prior antibiotic therapy was given to 21,8% of patients (14).
The median final daptomycin dose was 5 mg/kg. The median duration of daptomycin therapy was 15 days. Daptomycin was well tolerated in patients with gram-positive infections.The most common infections were skin and skin-structure. The most common pathogens were S. aureus.
1. A large number of novel antibacterial agents have been or are being developed for the treatment of complicated skin and soft tissue infections -cSSTIs -Daptomycin is one of them and it is available for clinical use. 2.Daptomycin was well tolerated in patients with gram-positive infections. 3. Further prospective and comparative studies of daptomycin are warranted.
We have always to rememder that the most mportant parameters that appear to determine the clinical effectiveness of an antibiotic for cSSTIs include the severity of the illness, patient co-morbidities, whether the patient receives appropriate antimicrobial therapy at the onset of illness and if this should be a combination or single-agent approach to cover a broad range of likely causative organisms.
Special thanks to Mr Panagiotis Stratigakis.