Pulmonary delivery of synergistic combination of fluoroquinolone antibiotic complemented with proteolytic enzyme: A novel antimicrobial and antibiofilm strategy
2017
Abstract Bacterial resistance remains a major hindrance in treatment with antimicrobial agents. Therefore, we assessed the improved antimicrobial and antibiofilm activity of Levofloxacin (LFX) and Serratiopeptidase (SRP) combinations in in vitro microbiological studies. Further, pharmacodynamic and pharmacokinetic studies of liposomal LFX in combination with SRP (LFX liposome-SRP) were performed in S. aureus infected rats. LFX at sub-MIC with SRP eradicated >90% of the preformed biofilm. The entrapment efficiency of LFX in liposome was >80% and the co-spray dried product had MMAD S. aureus infection.
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