Journal
EXPERT REVIEW OF VACCINES
Volume 10, Issue 5, Pages 695-708Publisher
TAYLOR & FRANCIS LTD
DOI: 10.1586/ERV.11.54
Keywords
clinical trial; immune evasion; Staphylococcus aureus; vaccine development; virulence factor
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Staphylococcus aureus is a common human commensal organism and also a major cause of nosocomial infections worldwide associated with high death rates, prolonged hospitalization and increased medical costs. Severe S. aureus infections are becoming progressively more difficult to treat because of the spread of strains resistant to antibiotics, and community-acquired disease is also increasing. There are many clinical presentations of disease including superficial skin and soft-tissue infections, as well as severe invasive infections including bacteremia, pneumonia and endocarditis. The diverse array of virulence factors expressed by S. aureus contributes to pathogenesis and has provided the basis for antigen selection for new vaccines in clinical development. Key prerequisites for vaccine development include the development of approaches to monitor the immunological responses generated by the vaccine in a way that can predict the vaccine effectiveness. Careful consideration of the patient populations in which candidate vaccines are initially evaluated for their efficacy will also play a key role for vaccine development. There are now several vaccines at different stages of clinical development that offer exciting prospects for the prevention of this devastating disease. The composition and the early clinical results from the evaluation of these vaccines are discussed in this article.
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