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Nonvitamin K antagonist oral anticoagulant use in patients with renal impairment.

Authors
  • Turpie, Alexander G G1
  • Purdham, Daniel2
  • Ciaccia, Antonio2
  • 1 McMaster University, Suite 802, 19 Brant Street, Toronto, ON, M5V 2L2, Canada. , (Canada)
  • 2 Bayer Inc., Mississauga, ON, Canada. , (Canada)
Type
Published Article
Journal
Therapeutic advances in cardiovascular disease
Publication Date
Sep 01, 2017
Volume
11
Issue
9
Pages
243–256
Identifiers
DOI: 10.1177/1753944717714921
PMID: 28651452
Source
Medline
Keywords
Language
English
License
Unknown

Abstract

The nonvitamin K antagonist oral anticoagulants (NOACs), also referred to as direct oral anticoagulants (DOACs), dabigatran, apixaban, edoxaban, and rivaroxaban, have emerged as effective alternatives to vitamin K antagonists (VKAs) across several indications, including the prevention of stroke and systemic embolism (SSE) in patients with atrial fibrillation (AF) and the treatment of venous thromboembolism (VTE). Their use in patients with renal impairment is of particular importance, given the prevalence of renal dysfunction in the indicated populations and the impact of renal function on the metabolism of the NOACs. This publication reviews the pharmacokinetic/pharmacodynamic properties of the NOACs and clinical trial results for patients with renal impairment within the AF and VTE indications. Pharmacokinetic/pharmacodynamic data show the NOACs are dependent on renal clearance to varying extents. Relative to VKAs, the efficacy and safety of the NOACs is preserved in patients with moderate renal impairment. The dosing recommendations for patients with renal impairment differ depending on the NOAC, whereby some of the NOACs require dose reductions based solely on renal function, while others require consideration of additional criteria. However, despite these specific dosing recommendations, emerging real-world evidence suggests patients are not being dosed appropriately, indicating a possible knowledge gap. Adherence to recommended dosing algorithms has implications on the optimal efficacy and safety of the NOACs. To this end, renal function should be assessed in patients on a NOAC, as worsening of renal function may warrant change in the dose of a NOAC or change in oral anticoagulant.

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