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Abstract
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.
Original language | English |
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Pages (from-to) | 387-397 |
Number of pages | 11 |
Journal | Expert Opinion on Biological Therapy |
Volume | 19 |
Issue number | 5 |
DOIs | |
Publication status | Published - 4 May 2019 |
Keywords
- ANNEXA
- Andexanet alfa
- DOACs
- antidote
- factor Xa
- major bleeding
- reversal agents
- Hemorrhage/drug therapy
- Humans
- Recombinant Proteins/biosynthesis
- Half-Life
- Clinical Trials as Topic
- Factor Xa/genetics
- Factor Xa Inhibitors/immunology
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Dive into the research topics of 'Andexanet alfa for the reversal of factor Xa inhibitors'. Together they form a unique fingerprint.Projects
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The BIOCOAG project : Biological assessment of the control of anticoagulation
Douxfils, J. (PI), Mullier, F. (CoI), Dogne, J.-M. (CoI), Siriez, R. (Researcher), Evrard, J. (Researcher) & Vassart, J. (Researcher)
1/09/11 → …
Project: Research