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  • Title: A simple and fast HPLC-MS/MS method for simultaneous determination of direct oral anticoagulants apixaban, dabigatran, rivaroxaban in human plasma.
    Author: Lagoutte-Renosi J, Le Poupon J, Girard A, Montange D, Davani S.
    Journal: J Chromatogr B Analyt Technol Biomed Life Sci; 2018 Nov 15; 1100-1101():43-49. PubMed ID: 30292948.
    Abstract:
    Direct Oral Anticoagulants (DOACs) available for the treatment and prevention of thromboembolic diseases include dabigatran, a direct thrombin (IIa) inhibitor, and apixaban, edoxaban and rivaroxaban, which are direct inhibitors of Stuart factor (Xa). DOACs have a different pharmacokinetic and pharmacodynamics profiles, with less probable drug-drug interactions than vitamin K antagonists. They do not require systematic therapeutic monitoring except in specific clinical situations such as emergency procedures or drug non-compliance. Furthermore, anticoagulant effects of DOACs could be impacted by renal impairment, drug-drug interactions, food interactions, or pharmacogenetic variability. In this context, we developed a method for simultaneous determination of dabigatran, rivaroxaban and apixaban in human plasma using high performance liquid chromatography coupled with a mass spectrometry assay and applied it to 26 patient samples. Our method presents a total run time of 5 min and extends from 25 to 1000 μg/L for apixaban and dabigatran; and from 5 to 1000 μg/L for rivaroxaban. Intra- and inter-assay accuracy were between -22.3 and 25.4%; and - 23.7 and 3.8%, respectively. Precision at low and high concentrations were below 17.5%. Frozen samples were stable up to 3 months. No significant cross-contamination was observed. In conclusion, our assay can be used during clinical studies and in daily routine practice for the management of specific clinical situations at reasonable cost.
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