Main characteristics of the included studies
	
		
			| Trial | Treatments | Patients | Methods | 
			
				| edoxaban phase 2, 0 NCT00504556
 | Four Fixed Dose Regimens of edoxaban (DU-176b) versus
 warfarin
 | Subjects With Non- Valvular Atrial Fibrillation | follow-up 3 months n=1146/0
 Parallel groups
 double-blind
 USA, Europe, South and central america,
 | 
			
				| ROCKET-AF, 2010 NCT00403767
 | Rivaroxaban 20mg p.o. once daily versus
 Warfarin p.o. once daily titrated to a target INR of 2.5 (range 2.0 to 3.0, inclusive)
 | Subjects With Non-Valvular Atrial Fibrillation | follow-up up to 4 y n=7131/7133
 Parallel groups
 double blind
 45 countries
 | 
			
				| AVERROES, 2011 NCT00496769
 | apixaban 5 mg (or 2.5 mg) twice daily versus
 aspirin 81-324 md daily
 | patients with atrial fibrillation who have failed or are unsuitable for vitamin K antagonist treatment | follow-up maximum 21 months n=2808/2791
 Parallel groups
 double blind
 36 countries
 | 
			
				| phase 2 apixaban, 0 NCT00787150
 | apixaban 5 or 2.5 mg twice daily versus
 warfarin
 | patient with non valvular AF | follow-up 12 weeks n=222/0
 Parallel groups
 double blind
 
 | 
			
				| EXPLORE-Xa, 2010 NCT00742859
 | three doses of betrixaban (40 mg, n = 127; 60 mg, n = 127; 80 mg, n = 127) versus
 dose-adjusted warfarin INR 2-3
 | patients with nonvalvular atrial fibrillation | follow-up 4.9 mo (median) (3-12mo) n=381/127
 Parallel groups
 double-blind
 
 | 
			
				| phase 2 YM150, 0 NCT00448214
 | YM150 ASTELLAS versus
 warfarin
 | subjects with non-valvular atrial fibrillation | follow-up n=-9/-9
 Parallel groups
 open
 Australia
 | 
			
				| phase 2 edoxaban, 0 NCT00829933
 | edoxaban (DU-176b) 30 mg once daily, 30 mg twice daily, 60 mg once daily or 60 mg twice daily versus
 warfarin
 | patients with non-valvular atrial fibrillation and a CHADS2 index >=2 | follow-up n=-9/-9
 Parallel groups
 double-blind
 Japan
 | 
			
				| phase 2 edoxaban, 0 NCT00806624
 | edoxaban (DU-176b) versus
 warfarin
 | male and female subjects aged 18 to 80 years, inclusive, with non-valvular AF and a CHADS2 Score of at least 1 | follow-up n=-9/-9
 Parallel groups
 double-blind
 China
 | 
			
				| ENGAGE-AF TIMI 48, NCT00781391
 | edoxaban 30 or 60mg once daily versus
 warfarin (INR 2-3)
 | AF patients (CHADS2 >=2) | follow-up 24 months n=-9/-9
 Parallel groups
 double blind
 
 | 
			
				| ARISTOTLE (CV185-030), NCT00412984
 | apixaban 5mg twice daily versus
 warfarin adjusted for an INR between 2 and 3
 | subjects with atrial fibrillation and risk factors for stroke | follow-up n=18183/0
 
 double blind
 
 | 
			
				| OPAL-2, NCT00938730
 | YM150 versus
 warfarin
 | subjects with non-valvular atrial fibrillation | follow-up n=-9/-9
 
 double-blind
 Australia
 | 
			
				| ROCKET J, NCT00494871
 | Rivaroxaban versus
 warfarin
 |  | follow-up n=-9/-9
 parallel groups
 double-blind
 Japan
 | 
	
	References
		
		ROCKET-AF, 2010 : 		
		Rivaroxaban-once daily, oral, direct factor Xa inhibition compared with vitamin K antagonism for prevention of stroke and Embolism Trial in Atrial Fibrillation: rationale and design of the ROCKET AF study.
		Am Heart J 2010;159:340-347.e1
		[PMID 20211293] 10.1016/j.ahj.2009.11.025
		
		
		ENGAGE-AF TIMI 48,  : 		
		Ruff CT, Giugliano RP, Antman EM, Crugnale SE, Bocanegra T, Mercuri M, Hanyok J, Patel I, Shi M, Salazar D, McCabe CH, Braunwald EEvaluation of the novel factor Xa inhibitor edoxaban compared with warfarin in patients with atrial fibrillation: design and rationale for the Effective aNticoaGulation with factor xA next GEneration in Atrial Fibrillation-Thrombolysis In Myocardial Infarction study 48 (ENGAGE AF-TIMI 48).
		Am Heart J 2010;160:635-41
		[PMID 20934556] 10.1016/j.ahj.2010.06.042
		
		
		ARISTOTLE (CV185-030),  : 		
		Lopes RD, Alexander JH, Al-Khatib SM, Ansell J, Diaz R, Easton JD, Gersh BJ, Granger CB, Hanna M, Horowitz J, Hylek EM, McMurray JJ, Verheugt FW, Wallentin LApixaban for reduction in stroke and other ThromboemboLic events in atrial fibrillation (ARISTOTLE) trial: design and rationale.
		Am Heart J 2010;159:331-9
		[PMID 20211292] 10.1016/j.ahj.2009.07.035
		
		
		AVERROES, 2011 : 		
		Eikelboom JW, O'Donnell M, Yusuf S, Diaz R, Flaker G, Hart R, Hohnloser S, Joyner C, Lawrence J, Pais P, Pogue J, Synhorst D, Connolly SJRationale and design of AVERROES: apixaban versus acetylsalicylic acid to prevent stroke in atrial fibrillation patients who have failed or are unsuitable for vitamin K antagonist treatment.
		Am Heart J 2010;159:348-353.e1
		[PMID 20211294] 10.1016/j.ahj.2009.08.026
		
		
		AVERROES, 2011 : 		
		Connolly SJ, Eikelboom J, Joyner C, Diener HC, Hart R, Golitsyn S, Flaker G, Avezum A, Hohnloser SH, Diaz R, Talajic M, Zhu J, Pais P, Budaj A, Parkhomenko A, Jansky P, Commerford P, Tan RS, Sim KH, Lewis BS, Van Mieghem W, Lip GY, Kim JH, Lanas-Zanetti FApixaban in Patients with Atrial Fibrillation.
		N Engl J Med 2011 Feb 10;:
		[PMID 21309657] 10.1056/NEJMoa1007432
		
		
		phase 2 edoxaban, 0 : 		
		Weitz JI. #33
		 50th Annual meeting of the American Society of Hematology; Dec. 5-9, 2008; San Francisco.
		[PMID ]