RT Journal Article SR Electronic A1 Nichols, Emma Hitt T1 NOACs JF MD Conference Express YR 2015 FD SAGE Publications VO 15 IS 28 suppl 2 SP 13 OP 15 DO 10.1177/1559897715612452 UL http://mdc.sagepub.com/content/15/28_suppl_2/13.abstract AB There are now 4 novel oral anticoagulants available as an alternative to vitamin K antagonists for the risk reduction of stroke and systemic embolism in patients with nonvalvular atrial fibrillation. However, many unanswered questions remain about their use in clinical practice, and numerous trials are ongoing.