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Published on: October 12, 2012
A new generation of oral direct anticoagulants
1Hematology Service, Memorial Sloan-Kettering Cancer Center, 1275 York Ave, Howard-802, New York, NY 10065, USA. soffg@mskcc.org
Abstract:
After more than 50 years of thrombosis treatment and prophylaxis being based on heparin and vitamin K antagonists, a new generation of oral, direct anticoagulants is now available. The past 5 years have brought a strikingly large number of trials that evaluated these new oral anticoagulants in a range of clinical trials, particularly nonvalvular atrial fibrillation, thrombosis prophylaxis after major joint replacement surgery, treatment of venous thromboembolic events, and, most recently, acute coronary syndrome. These studies have been notably similar in design between the drugs for specific indication. This review focuses on the 3 drugs that either have recently been approved by the US Food and Drug Administration (dabigatran and rivaroxaban) or have the most mature phase III clinical data (apixaban).
Insights
New direct oral anticoagulants offer alternatives to traditional blood thinners like heparin. Recent trials evaluated these novel anticoagulants for conditions including atrial fibrillation and venous thromboembolic events.
Area of Science:
- Pharmacology and Therapeutics
- Cardiovascular Medicine
- Hematology
Background:
- Heparin and vitamin K antagonists have long been mainstays for thrombosis treatment and prophylaxis.
- A new generation of oral, direct anticoagulants has emerged, representing a significant shift in anticoagulant therapy.
Purpose of the Study:
- To review the latest clinical trial data on new oral anticoagulants.
- To focus on dabigatran, rivaroxaban, and apixaban for thrombosis treatment and prophylaxis.
Main Methods:
- Review of recent clinical trials evaluating new oral anticoagulants.
- Focus on studies in nonvalvular atrial fibrillation, thrombosis prophylaxis post-joint replacement, venous thromboembolic events, and acute coronary syndrome.
- Analysis of trials for dabigatran, rivaroxaban, and apixaban.
Main Results:
- A large number of trials have evaluated new oral anticoagulants in diverse clinical settings over the past 5 years.
- Studies for specific indications show notable similarities in design across different drugs.
- Dabigatran and rivaroxaban are FDA-approved; apixaban has mature phase III data.
Conclusions:
- New oral anticoagulants represent a significant advancement in anticoagulation therapy.
- These agents are increasingly utilized across various thrombotic and cardiovascular conditions.
- Further research and clinical experience will continue to define their role in patient care.
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