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Effects of a rifampicin pre-treatment on linezolid pharmacokinetics.


ABSTRACT: Linezolid is an oxazolidinone antibiotic that effectively treats methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant Enterococci (VRE). Since rifampicin induces other antibiotic effects, it is combined with linezolid in therapeutic regimes. However, linezolid blood concentrations are reduced by this combination, which increases the risk of the emergence of antibiotic-resistant bacteria. We herein demonstrated that the combination of linezolid with rifampicin inhibited its absorption and promoted its elimination, but not through microsomal enzymes. Our results indicate that the combination of linezolid with rifampicin reduces linezolid blood concentrations via metabolic enzymes.

SUBMITTER: Okazaki F 

PROVIDER: S-EPMC6743782 | biostudies-literature | 2019

REPOSITORIES: biostudies-literature

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Effects of a rifampicin pre-treatment on linezolid pharmacokinetics.

Okazaki Fumiyasu F   Tsuji Yasuhiro Y   Seto Yoshihiro Y   Ogami Chika C   Yamamoto Yoshihiro Y   To Hideto H  

PloS one 20190913 9


Linezolid is an oxazolidinone antibiotic that effectively treats methicillin-resistant Staphylococcus aureus (MRSA) and vancomycin-resistant Enterococci (VRE). Since rifampicin induces other antibiotic effects, it is combined with linezolid in therapeutic regimes. However, linezolid blood concentrations are reduced by this combination, which increases the risk of the emergence of antibiotic-resistant bacteria. We herein demonstrated that the combination of linezolid with rifampicin inhibited its  ...[more]

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