Abstract:
:Staphylococcus aureus and Staphylococcus epidermidis are leading pathogens of biofilm-related infections and represent the most common cause of osteomyelitis and biomedical implants infections. Biofilm-related infections usually require long-term antibiotic treatment, often associated to surgical interventions. Dalbavancin is a newer lipoglycopeptide approved for the treatment of acute skin and skin-structure infections caused by Gram-positive pathogens. In addition, dalbavancin has recently been considered as a potential option for the treatment of staphylococcal osteomyelitis and orthopedic implant infections. In this study, time-kill kinetics of dalbavancin against S. aureus and S. epidermidis biofilms were determined over prolonged exposure times (up to 7 days), using both a standardized biofilm susceptibility model and biofilms grown onto relevant orthopedic biomaterials (i.e. titanium and cobalt-chrome disks). Dalbavancin (at concentrations achievable in bone and articular tissue) showed a potent activity against established staphylococcal biofilms in both tested models, and was overall superior to the comparator vancomycin.
journal_name
Diagn Microbiol Infect Disjournal_title
Diagnostic microbiology and infectious diseaseauthors
Di Pilato V,Ceccherini F,Sennati S,D'Agostino F,Arena F,D'Atanasio N,Di Giorgio FP,Tongiani S,Pallecchi L,Rossolini GMdoi
10.1016/j.diagmicrobio.2019.114901subject
Has Abstractpub_date
2020-02-01 00:00:00pages
114901issue
2eissn
0732-8893issn
1879-0070pii
S0732-8893(19)30481-Xjournal_volume
96pub_type
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journal_title:Diagnostic microbiology and infectious disease
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