Emerging options in the treatment of deep vein thrombosis and pulmonary embolism.

The incidence of venous thromboembolism (VTE), including deep vein thrombosis and pulmonary embolism, is increasing and the disease has been found to account for over 500,000 annual deaths in the European Union. VTE is associated with increased mortality and may lead to serious long-term complications. Unfractionated heparin (UFH), low molecular weight heparin (LMWH) and vitamin K antagonists (VKA) have remained standard of care for many years. Recent trials of novel anticoagulants have indicated that new therapeutical options may soon become available. Studies on the role of new agents in VTE prevention in patients undergoing orthopaedic surgery have provided the evidence suggesting potential value of these drugs for the management of acute events. At present, investigation of new anticoagulants has reached the stage when phase III clinical studies on some novel agents have been completed and others are in progress. Of those furthest along are the direct Factor Xa inhibitors, rivaroxaban and apixaban, and the direct thrombin inhibitor, dabigatran. Findings of ongoing trials are expected to determine potential impact of these agents on current clinical practice.

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