savirin

Savirin (Staphylococcus aureus virulence inhibitor) is a small molecule inhibitor designed to combat *Staphylococcus aureus* infections by targeting the bacterial quorum-sensing system. It specifically binds to the transcriptional regulator AgrA, thereby disrupting the *agr* (accessory gene regulator) operon. This inhibition prevents the upregulation of numerous virulence factors, including toxins, hemolysins, and biofilm-associated proteins, without significantly impacting bacterial viability or the normal skin microbiota (such as *S. epidermidis*). Savirin has demonstrated efficacy in preclinical murine models for skin and soft tissue infections (SSTIs) and prosthetic joint infections (PJI), showing potential as an anti-virulence therapy that limits the development of antibiotic resistance.

Other names

S. aureus virulence inhibitor