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Updated: Jul 7, 2026

Rapid Point-of-Care Assay of Enoxaparin Anticoagulant Efficacy in Whole Blood
Published on: October 12, 2012
[New anticoagulants]
1Medizinische Klinik IV - Max Ratschow Klinik für Angiologie, Klinikum Darmstadt, Heidelberger Landstr. 379, 64297 Darmstadt. Rupert.Bauersachs@Klinikum-Darmstadt.de
Abstract:
This review updates the latest developments concerning new anticoagulants. It describes potential targets in the coagulation pathway: inhibition of the initiation of coagulation, factor Xa and thrombin inhibitors. The focus is laid on substances in late development that already passed the phase II trial for venous thromboembolism (VTE)-prevention as "proof of concept". In the group of factor Xa inhibitors, the indirect inhibitor Fondaparinux has got approval for the indications prevention and therapy of VTE and acute coronary syndromes (OASIS 5 and 6). Rivaroxaban is the first direct factor Xa inhibitor that was admitted for approval in the indication VTE-prevention. The first trial of the program RECORD 1-4 was finished, trials for the indications therapy of VTE (EINSTEIN) and stroke prevention in atrial fibrillation (ROCKET AF) are in phase III. The use in acute coronary symptoms is - like apixaban - evaluated in phase II. The ADOPT trial with apixaban for VTE-prevention, as well as the BOTTICELLI trial for atrial fibrillation, have reached phase III. After the withdrawal of Ximelagatran, Dabigatran is the most developed direct thrombin inhibitor, being extensively studied in the comprehensive phase- III-program REVOLUTION and in approval for the indication VTE-prevention.
Insights
New anticoagulants targeting factor Xa and thrombin show promise for preventing venous thromboembolism (VTE). Several direct factor Xa inhibitors are in late-stage trials, with some already approved for VTE prevention.
Area of Science:
- Pharmacology
- Hematology
- Cardiology
Background:
- Anticoagulant therapy is crucial for managing thromboembolic disorders.
- Traditional anticoagulants have limitations, necessitating the development of novel agents.
- The coagulation cascade presents multiple targets for anticoagulant drug development.
Purpose of the Study:
- To review the latest advancements in new anticoagulant drugs.
- To highlight novel targets within the coagulation pathway, including factor Xa and thrombin inhibition.
- To focus on anticoagulants in late-stage development for venous thromboembolism (VTE) prevention.
Main Methods:
- Review of current literature and clinical trial data.
- Analysis of anticoagulants targeting coagulation initiation, factor Xa, and thrombin.
- Focus on agents that have completed Phase II trials for VTE prevention.
Main Results:
- Fondaparinux, an indirect factor Xa inhibitor, is approved for VTE prevention and treatment.
- Rivaroxaban is the first approved direct factor Xa inhibitor for VTE prevention, with ongoing trials for other indications.
- Apixaban and Dabigatran are other promising direct factor Xa and thrombin inhibitors, respectively, in late-stage clinical development.
Conclusions:
- New anticoagulants, particularly factor Xa and direct thrombin inhibitors, offer significant potential in VTE prevention and treatment.
- Several agents are progressing through late-stage clinical trials, indicating a shift in anticoagulant therapy.
- Ongoing research and development are crucial for optimizing the use of these novel anticoagulants.
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