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Published on: February 28, 2012
The current role of anticoagulants in cardiovascular medicine
1Institute of Cardiology, 'Gabriele d'Annunzio' University, Chieti, Italy bCNR Institute of Clinical Physiology, Pisa, Italy. rdecater@unich.it
Insights
The current anticoagulant options for cardiovascular diseases present challenges. There is a significant need for new, convenient oral anticoagulants that are well-tolerated and do not require routine monitoring.
Area of Science:
- Cardiology
- Pharmacology
- Thrombosis Research
Background:
- Thrombotic events in cardiovascular disease pose a significant healthcare burden.
- Anticoagulants are crucial for preventing events like stroke in atrial fibrillation and acute coronary syndrome.
- Current parenteral anticoagulants include unfractionated heparin, low-molecular-weight heparins (LMWHs), and fondaparinux.
Purpose of the Study:
- To review the current landscape of anticoagulant therapies.
- To identify the limitations of existing anticoagulant treatments.
- To highlight the unmet need for novel oral anticoagulants.
Main Methods:
- Review of current clinical guidelines and pharmacological data.
- Analysis of efficacy and safety profiles of parenteral anticoagulants.
- Evaluation of the limitations of oral anticoagulants, such as Vitamin K antagonists.
Main Results:
- LMWHs and unfractionated heparin show similar efficacy in acute coronary syndrome, with LMWHs potentially offering a better safety profile.
- Fondaparinux demonstrates significantly lower mortality in acute coronary syndrome compared to heparins.
- Parenteral anticoagulants are inconvenient for long-term outpatient use, and current oral anticoagulants have significant drawbacks.
Conclusions:
- Existing anticoagulant options have limitations in efficacy, safety, or convenience.
- A substantial unmet need exists for oral anticoagulants that are convenient, well-tolerated, and do not require routine monitoring.
- Development of new oral anticoagulants is critical for improving long-term management of thrombotic events in cardiovascular disease.
Abstract:
Thrombotic events in cardiovascular disease are a huge burden to healthcare budgets. Anticoagulant use is recommended for thrombotic event prevention in many cardiovascular diseases, including stroke prevention in atrial fibrillation, treatment and secondary prevention of acute coronary syndrome. Current parenteral anticoagulants include unfractionated heparin, low-molecular-weight heparins (LMWHs) and fondaparinux. Patients with acute coronary syndrome usually receive unfractionated heparin or a LMWH on hospital admission, both exhibit similar efficacy in reducing mortality and myocardial infarction rates; however, LMWHs may have a better safety profile and do not require routine coagulation monitoring. In acute coronary syndrome, fondaparinux use results in significantly lower mortality compared with LMWHs or unfractionated heparin. However, parenteral drugs are inconvenient for long-term outpatient use. Vitamin K antagonists are currently the only oral anticoagulants available for long-term use, but multiple drawbacks hinder their use. A large unmet need exists for new convenient and well-tolerated oral anticoagulants that do not require routine monitoring.
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