Andexanet alfa for the reversal of factor Xa inhibitors

J Favresse, M Hardy, M A van Dievoet, A L Sennesael, J Douxfils, C M Samama, O Vornicu, A S Dincq, S Lessire, F Mullier

Résultats de recherche: Contribution à un journal/une revueArticle

Résumé

INTRODUCTION: Andexanet alfa is a recombinant modified factor Xa protein that has been developed to reverse factor Xa inhibitors. Since May 2018, the FDA has approved its utilization in patients treated with apixaban and rivaroxaban in case of life-threatening or uncontrolled bleeding. On 28 of February 2019, the Committee for Medicinal Products for Human Use adopted a positive opinion, recommending the granting of a conditional marketing authorization for andexanet alfa in Europe. Area covered: The authors provide an overview of andexanet alfa development and its pharmacokinetic and pharmacodynamic properties. The results of the clinical phase III trial ANNEXA as well as current limitations related to andexanet alfa are also discussed. Expert opinion: Although phase I and II studies have proven that andexanet alfa can be effective in reversing the effect of factor Xa inhibitors, its efficacy in major bleeding patients has only been shown for apixaban and rivaroxaban, without any comparator group. Well-designed studies comparing the efficacy and safety of andexanet alfa to other reversal strategies are required to confirm preliminary data. The benefit of andexanet alfa in specific settings needs to be investigated and its use in clinical practice needs to be facilitated by the implementation of international guidelines.

langue originaleAnglais
Pages (de - à)387-397
Nombre de pages11
journalExpert Opinion on Biological Therapy
Volume19
Numéro de publication5
Les DOIs
étatPublié - 4 mai 2019

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