Rivaroxaban Versus Warfarin in Acute Ischemic Stroke With Atrial

Status Completed

Clinical Trial Summary

Rationale Acute ischemic stroke due to atrial fibrillation (AF) carries a high risk for early recurrence. In acute stage, guidelines recommend aspirin, but do not recommend anticoagulation due to the increased risk of intracranial bleeding. Since, aspirin has a limited efficacy of preventing recurrent stroke in AF, expert consensus suggests early anticoagulation in non-severe stroke with AF. The current practice for acute ischemic stroke patients with AF is delayed warfarin administration with aspirin use for non-minor stroke or immediate warfarin administration (sometimes with heparin bridging) for minor stroke. However, conventional anticoagulation with warfarin in acute ischemic stroke with AF has the following limitations: 1) risk of intracranial bleeding particularly in acute stage, 2) delayed action and transient paradoxical thrombogenic tendency due to the inhibition of protein C, resulting in the risk of early recurrent embolic stroke, and 3) prolongation of hospitalization waiting for full anticoagulation. In contrast, as compared to warfarin, rivaroxaban is advantageous for reduced risk of intracranial bleeding and immediate anticoagulation efficacy.

Goal The current trial will examine whether early initiation (within 5 days from stroke onset) of rivaroxaban as compared to conventional warfarin would reduce intracranial bleeding, recurrent embolic stroke, and hospital stay in patients with acute ischemic stroke due to AF.

Clinical Trial Description

Primary endpoint: Composite of MRI-defined intracranial bleeding and recurrent ischemic lesion within 1 month after randomization (rivaroxaban vs conventional warfarin) ;

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02042534
Study type	Interventional
Source	Asan Medical Center
Contact
Status	Completed
Phase	Phase 2
Start date	January 2014
Completion date	December 2015

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Rivaroxaban Versus Warfarin in Acute Ischemic Stroke With Atrial Fibrillation — TripleAXEL

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms