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Published on: October 12, 2012
Target-specific oral anticoagulants and the hospitalist
Steven Deitelzweig1, Alpesh Amin
1Ochsner Clinic Foundation , New Orleans, LA , USA.
Insights
Target-specific oral anticoagulants (TSOACs) offer comparable or superior safety and efficacy to warfarin for stroke prevention in atrial fibrillation (AF) and venous thromboembolism (VTE) treatment. Their use is expected to grow as familiarity increases.
Area of Science:
- Cardiology
- Pharmacology
- Internal Medicine
Background:
- Target-specific oral anticoagulants (TSOACs) are emerging as alternatives to warfarin.
- Warfarin has limitations in efficacy and safety for anticoagulation.
- Nonvalvular atrial fibrillation (AF) and venous thromboembolism (VTE) are significant clinical challenges.
Purpose of the Study:
- To review Phase III clinical trials of TSOACs for AF stroke prevention and VTE treatment/prevention.
- To discuss current treatment guidelines for TSOACs.
- To provide clinical decision-making guidance for hospitalists regarding TSOACs.
Main Methods:
- Review of Phase III clinical trial data for TSOACs (dabigatran, rivaroxaban, apixaban, edoxaban).
- Analysis of efficacy and safety profiles compared to warfarin.
- Examination of current treatment guidelines and national safety goals.
Main Results:
- TSOACs demonstrate at least equivalent efficacy to warfarin.
- TSOACs often show superior safety profiles compared to warfarin.
- Edoxaban shows comparable or better efficacy and safety than warfarin in Phase III trials.
Conclusions:
- TSOACs are effective and safe alternatives for stroke prevention in AF and VTE management.
- Increased adoption of TSOACs is anticipated with greater clinical familiarity.
- Guidance on TSOAC use is crucial for hospitalists.
Abstract:
As a class, the target-specific oral anticoagulants (TSOACs) are at least as effective as warfarin, often with superior safety for the prevention of stroke in patients with nonvalvular atrial fibrillation (AF) and the treatment of acute venous thromboembolism (VTE) and prevention of recurrent VTE. Currently, dabigatran, the direct thrombin inhibitor, along with rivaroxaban and apixaban, direct factor Xa inhibitors, has been approved in multiple countries for these indications. Edoxaban, which has received approval for the abovementioned indications in Japan, has demonstrated efficacy and safety comparable to or better than warfarin in Phase III clinical trials and is under further regulatory consideration. It is anticipated that the use of TSOACs will increase as practitioners and healthcare systems gain familiarity with these drugs and adopt their use into clinical practice. This review will provide a brief overview of the TSOAC Phase III clinical trials for prevention of stroke and systemic embolic events in patients with AF and the Phase III clinical trials for the prevention of recurrent VTE, discuss current treatment guidelines, address how TSOACs may help meet national safety goals, and provide clinical decision-making guidance regarding the use of TSOACs for hospitalists.
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