Related Experiment Video
Updated: Mar 13, 2026

The WATCHMAN Left Atrial Appendage Closure Device for Atrial Fibrillation
Published on: February 28, 2012
Novel oral anticoagulants for acute coronary syndrome
April Robinson1, Delilah McCarty2, Janine Douglas2
1Wingate University, 515 North Main Street, Wingate, NC 28174, USA a.robinson@wingate.edu.
Insights
Novel oral anticoagulants (NOACs) are being explored for acute coronary syndrome (ACS) management. Ongoing studies will clarify the role of NOACs, balancing efficacy against bleeding risks in ACS patients.
Area of Science:
- Cardiovascular Medicine
- Pharmacology
- Thrombosis Research
Background:
- Acute coronary syndrome (ACS) involves complex pathophysiology including plaque rupture and hypercoagulability.
- Anticoagulants are crucial in ACS management, with warfarin having limited use.
- Novel oral anticoagulants (NOACs) show promise but face challenges in ACS treatment.
Approach:
- Investigating the role of anticoagulants in acute and post-acute phases of ACS.
- Evaluating the efficacy and safety of NOACs in ACS patients.
- Analyzing clinical trial data for NOACs like rivaroxaban and apixaban in ACS.
Key Points:
- NOACs are being explored as alternatives to warfarin for ACS.
- Increased bleeding risk with NOACs combined with dual antiplatelet therapy is a major concern.
- Rivaroxaban is approved in Europe for ACS, but no NOACs are currently approved in the US.
Conclusions:
- Further research is needed to establish the optimal role of NOACs in ACS management.
- Ongoing trials may provide crucial evidence for the use of rivaroxaban and apixaban in ACS.
- Balancing antithrombotic benefits with bleeding risks remains a key challenge for NOACs in ACS.
Abstract:
Acute coronary syndrome (ACS) is a cardiovascular condition with a multifactorial pathophysiology that includes atherosclerotic plaques, platelet activation and thrombin production, among others. Thrombin production and the prothrombotic state of ACS patients have provided a role for anticoagulants to treat patients during the acute event and has led to subsequent research for the post-acute state. Warfarin has an indication for ACS, however, it is restricted to specific patients and many factors limit its use. Therefore, novel oral anticoagulants (NOACs) are being explored for ACS. Limitations for the use of NOACs in ACS are centered on the increased risk of bleeding that occurs when these agents are added to the current standard of care with dual antiplatelet therapy. Rivaroxaban is the only NOAC that has achieved approval in Europe for this indication with none of the NOAC currently approved in the US for use in ACS. Ongoing studies for rivaroxaban and apixaban may provide evidence to further clarify the place in therapy for NOAC agents in ACS management.
Related Concept Videos
Anticoagulant Drugs: Vitamin K Antagonists and Direct Oral Anticoagulants
Warfarin, a prominent vitamin K antagonist family member, exerts its effect by inhibiting the enzyme VKORC1 (vitamin K epoxide reductase complex 1). By hindering this enzyme, warfarin...
Anticoagulant Drugs: Low-Molecular-Weight Heparins
Acute Coronary Syndrome I: Introduction
Acute Coronary Syndrome III: Diagnostic Studies
Acute Coronary Syndrome IV: Interprofessional Care
Venous Thrombosis III: Interprofessional Care

