Abstract:
INTRODUCTION:Arterial and venous thrombotic states, including myocardial infarction (MI), stroke and deep vein thrombosis with subsequent pulmonary embolism, are a significant cause of cardiovascular mortality and morbidity. Factor Xa (FXa) plays a pivotal role in thrombus formation. Its inhibition following acute coronary syndromes (ACS) blocks amplification of thrombin generation and subsequent clot formation, resulting in a risk reduction in recurrent MI, stroke and death. For this reason, a predictable form of oral anticoagulation continues to be an ongoing need. Rivaroxaban , the first oral FXa inhibitor, acts by direct inhibition of FXa and does not require an antithrombin cofactor for its activity. AREAS COVERED:This paper describes the pharmacokinetics (PK) of low-dose rivaroxaban tested in patients with ACS. Age, gender, renal function and body weight have no clinically significant effects on the PK of the drug in treatment of ACS. Caution should be maintained during co-administration of strong CYP3A4 inducers and inhibitors. Among patients with moderate and severe hepatic impairment and in those with associated coagulopathies, rivaroxaban however is contraindicated. EXPERT OPINION:The mortality benefit with low-dose rivaroxaban in ACS patients was first demonstrated in ATLAS ACS2 TIMI-51 trial. With its rapid oral bioavailability, predictable PK, low drug-drug interaction and no need for monitoring, the use of low-dose rivaroxaban in addition to dual antiplatelet therapy offers an appealing new option in improving outcomes following ACS in the modern era of novel oral FXa inhibitors.
journal_name
Expert Opin Drug Metab Toxicoljournal_title
Expert opinion on drug metabolism & toxicologyauthors
Gopalakrishnan L,Kumar V,Kohli P,Singh P,Rastogi U,Gibson CMdoi
10.1517/17425255.2012.688026subject
Has Abstractpub_date
2012-07-01 00:00:00pages
889-900issue
7eissn
1742-5255issn
1744-7607journal_volume
8pub_type
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journal_title:Expert opinion on drug metabolism & toxicology
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