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Rapid Degradation of Oseltamivir Phosphate in Clinical Samples by Plasma Esterases
Author(s) -
Niklas Lindegårdh,
Geraint Davies,
Tran Tinh Hien,
Jeremy Farrar,
Pratap Singhasiva,
Nicholas Day,
Nicholas J. White
Publication year - 2006
Publication title -
antimicrobial agents and chemotherapy
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.07
H-Index - 259
eISSN - 1070-6283
pISSN - 0066-4804
DOI - 10.1128/aac.00500-06
Subject(s) - prodrug , active metabolite , esterase , dichlorvos , metabolite , ex vivo , chemistry , drug , oseltamivir , pharmacology , in vivo , pharmacokinetics , phosphate , chromatography , biochemistry , enzyme , biology , in vitro , medicine , microbiology and biotechnology , disease , covid-19 , pesticide , infectious disease (medical specialty) , agronomy
The anti-influenza drug oseltamivir is an ester prodrug activated by hepatic carboxylesterases. Plasma esterases also convert up to 31.8% of the parent compound to the active metabolite after 4 h ex vivo, with wide interindividual variation. This source of error is removed by adding the esterase inhibitor dichlorvos to blood collection tubes.

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