Apixaban, also known as BMS-56224701, is an anticoagulant for the treatment of venous thromboembolic events. Apixaban is a direct factor Xa inhibitor. Apixaban was approved in 2012. Apixaban is indicated for the following: (1) To lower the risk of stroke and embolism in patients with nonvalvular atrial fibrillation. (2) Deep vein thrombosis (DVT) prophylaxis. DVT's may lead to pulmonary embolism (PE) in knee or hip replacement surgery patients. (3) Treatment of both DVT and PE. (4) To reduce the risk of recurring DVT and PE after initial therapy.