Heparin-calibrated chromogenic anti-Xa activity measurements in patients receiving rivaroxaban: can this test be used to quantify drug level?

RC Gosselin, SJ Francart, EM Hawes… - Annals of …, 2015 - journals.sagepub.com
… to rivaroxaban, may be suitable for ruling out presence of the drug. The routine use of …
of the use of heparin-calibrated anti-Xa activity assays to estimate presence of rivaroxaban in …

Chromogenic anti-FXa assay calibrated with low molecular weight heparin in patients treated with rivaroxaban and apixaban: possibilities and limitations

S Margetić, I Ćelap, D Delić Brkljačić, N Pavlović… - Biochemia …, 2020 - hrcak.srce.hr
… , so there are attempts to evaluate potential clinical application of heparin-calibrated anti-FXa …
Heparin-calibrated chromogenic anti-Xa assays are not suitable to assess the presence of …

[HTML][HTML] Using an old test for new tricks: measuring direct oral anti-Xa drug levels by conventional heparin-calibrated anti-Xa assay

CL Maier, WH Asbury, A Duncan… - American journal of …, 2019 - ncbi.nlm.nih.gov
… cost of antidote, are needed right now. Herein, we provide data suggesting that conventional
Heparin-calibrated chromogenic anti-Xa assays have been used to screen for the presence

Evaluation of a heparin-calibrated antifactor Xa assay for measuring the anticoagulant effect of oral direct Xa inhibitors

J Beyer, T Trujillo, S Fisher, A Ko… - Clinical and Applied …, 2016 - journals.sagepub.com
… to evaluate the chromogenic antifactor Xa assay calibrated … and apixaban calibrators for the
anti-Xa assay. The correlation … great sensitivity of the assays to the presence of oral direct Xa …

Heparin anti-Xa activity, a readily available unique test to quantify apixaban, rivaroxaban, fondaparinux, and danaparoid levels

E Boissier, T Senage, A Babuty… - Anesthesia & …, 2021 - journals.lww.com
… evaluated the ability of heparin anti-Xa assay to detect levels of … recommended for an invasive
procedure (screening test). Among … A chromogenic anti-Xa assay was performed on each …

Application of anti-Xa assay in monitoring unfractionated heparin therapy in contemporary antithrombotic management

M Safani, S Appleby, R Chiu, EJ Favaloro… - Expert Review of …, 2023 - Taylor & Francis
anti-Xa assay employs a chromogenic technique to measure … The UFH anti-Xa assay is
influenced by the presence of … colleagues have recommended the use of anti-Xa assays in …

Prospective cohort study on the use of low molecular weight heparin calibrated anti-Xa assay for measurement of direct oral Xa inhibitors in ex vivo patient samples

MS Lim, R Hayes, A Sharma, T Kitiponchai… - Pathology, 2022 - Elsevier
… -specific anti-Xa chromogenic assays are recommended for … a rapid screening test to exclude
the presence of significant levels … calibrated anti-Xa assay can be used to estimate levels of …

Accuracy of a single, heparin-calibrated anti-Xa assay for the measurement of rivaroxaban, apixaban, and edoxaban drug concentrations: a prospective cross …

T Meihandoest, JD Studt, A Mendez… - Frontiers in …, 2022 - frontiersin.org
… -calibrator intended to detect unfractionated heparin and low molecular weight heparins. …
This one-stage chromogenic assay is designed to measure the drug level of unfractionated …

Can an anti-Xa assay for unfractionated heparin be used to assess the presence of rivaroxaban in critical situations?

H Shin, EH Koh, GW Lee, HN Song, HY Kim… - Journal of Vascular …, 2020 - Elsevier
… of heparin-calibrated anti-Xa assays to rule out the presence of direct factor Xa inhibitors is
not recommended, … -specific anti-Xa assay is unavailable, the chromogenic anti-Xa assay for …

… -xa calibrators to a commercial specific anti-xa calibrator for plasma rivaroxaban quantification by anti-xa oral anticoagulant plasma concentration chromogenic assay

B Divsalar, T Kalantari, S Mohebbi… - Laboratory …, 2023 - academic.oup.com
… This study provides data suggesting that the heparin calibrated anti-Xaanti-Xa assays to
determine the presence of anti-Xa … We do not advise the routine use of these assays to estimate