Please select the arm or intervention descriptions that belong to the clinical trial below.
Title: Apixaban Versus Acetylsalicylic Acid (ASA) to Prevent Stroke in Atrial Fibrillation Patients Who Have Failed or Are Unsuitable for Vitamin K Antagonist Treatment: A Randomized Double-blind Trial
Brief Summary: The purpose of this clinical research study is to determine whether apixaban is more effective than acetylsalicylic acid in the prevention of strokes associated with patients with atrial fibrillation. The safety of this treatment will also be studied.


Options:
A: Arm Label: 1; Type: EXPERIMENTAL; Interventions: Drug: Ticagrelor 90 mg | Arm Label: 2; Type: EXPERIMENTAL; Interventions: Drug: Ticagrelor 60 mg | Arm Label: 3; Type: PLACEBO_COMPARATOR; Interventions: Drug: Ticagrelor Placebo | Intervention Type: DRUG; Name: Ticagrelor 90 mg; Assigned to Arm(s): 1 | Intervention Type: DRUG; Name: Ticagrelor 60 mg; Assigned to Arm(s): 2 | Intervention Type: DRUG; Name: Ticagrelor Placebo; Assigned to Arm(s): 3
B: Arm Label: Apixaban; Type: EXPERIMENTAL; Interventions: Drug: Apixaban | Arm Label: Acetylasalicylic acid; Type: ACTIVE_COMPARATOR; Interventions: Drug: Acetylsalicylic acid | Intervention Type: DRUG; Name: Apixaban; Assigned to Arm(s): Apixaban | Intervention Type: DRUG; Name: Acetylsalicylic acid; Assigned to Arm(s): Acetylasalicylic acid
C: Arm Label: Prasugrel; Type: EXPERIMENTAL; Interventions: Drug: Prasugrel, Drug: Commercially-available Aspirin | Arm Label: Clopidogrel; Type: ACTIVE_COMPARATOR; Interventions: Drug: Clopidogrel, Drug: Commercially-available Aspirin | Intervention Type: DRUG; Name: Clopidogrel; Assigned to Arm(s): Clopidogrel | Intervention Type: DRUG; Name: Prasugrel; Assigned to Arm(s): Prasugrel | Intervention Type: DRUG; Name: Commercially-available Aspirin; Assigned to Arm(s): Clopidogrel, Prasugrel
D: Arm Label: 1; Type: EXPERIMENTAL; Interventions: Drug: clopidogrel treatment after bare metal stent implantation, Drug: clopidogrel after zotarolimus-eluting stent implantation, Drug: clopidogrel after paclitaxel-eluting stent implantation, Drug: clopidogrel after everolimus-eluting stent implantation | Arm Label: 2; Type: ACTIVE_COMPARATOR; Interventions: Drug: clopidogrel treatment after bare metal stent implantation, Drug: clopidogrel after zotarolimus-eluting stent implantation, Drug: clopidogrel after paclitaxel-eluting stent implantation, Drug: clopidogrel after everolimus-eluting stent implantation | Intervention Type: DRUG; Name: clopidogrel treatment after bare metal stent implantation; Assigned to Arm(s): 1 | Intervention Type: DRUG; Name: clopidogrel treatment after bare metal stent implantation; Assigned to Arm(s): 2 | Intervention Type: DRUG; Name: clopidogrel after zotarolimus-eluting stent implantation; Assigned to Arm(s): 1 | Intervention Type: DRUG; Name: clopidogrel after paclitaxel-eluting stent implantation; Assigned to Arm(s): 1 | Intervention Type: DRUG; Name: clopidogrel after everolimus-eluting stent implantation; Assigned to Arm(s): 1 | Intervention Type: DRUG; Name: clopidogrel after zotarolimus-eluting stent implantation; Assigned to Arm(s): 2 | Intervention Type: DRUG; Name: clopidogrel after paclitaxel-eluting stent implantation; Assigned to Arm(s): 2 | Intervention Type: DRUG; Name: clopidogrel after everolimus-eluting stent implantation; Assigned to Arm(s): 2

Answer: B