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February 3, 2018International Journal of CardiologyOpen Access

The EXPAND study: Efficacy and safety of rivaroxaban in Japanese patients with non-valvular atrial fibrillation

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Key result

Rivaroxaban use in Japanese patients with non-valvular atrial fibrillation resulted in a low incidence rate of symptomatic stroke and systemic embolism (1.0%/year).

Why the study?

Does rivaroxaban prevent stroke and systemic embolism in Japanese patients with non-valvular atrial fibrillation?

Population

7,141 Japanese patients ≥20 years of age with non-valvular atrial fibrillation, mean age 71.6 years, mean…

Design

Cohort

Follow-up

average 897.1 days

Authors

HSHiroaki ShimokawaTYTakeshi YamashitaSUShinichiro Uchiyama

Discussion

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Overview

May inform anticoagulation in Japanese non-valvular AF; extends real-world data but leaves randomized confirmation open.

Study Design

Type

Cohort (n=7,141)

Multicenter

Yes

Structured PICO

Does rivaroxaban prevent stroke and systemic embolism in Japanese patients with non-valvular atrial fibrillation?

P
Population
7,141 Japanese patients ≥20 years of age with non-valvular atrial fibrillation treated with rivaroxaban, followed for an average of 897.1 days.
E
Exposure
Rivaroxaban (10 mg/day or 15 mg/day)
O
Outcome
Symptomatic stroke and systemic embolism (SE) (primary efficacy endpoint); Major bleeding (primary safety endpoint)composite

In a real-world Japanese cohort, rivaroxaban demonstrated low rates of stroke, systemic embolism, and major bleeding in patients with non-valvular atrial fibrillation.

Cite This Study

Shimokawa et al. (2018) conducted a cohort in non-valvular atrial fibrillation (NVAF) (n=7,141). Rivaroxaban was evaluated on symptomatic stroke and systemic embolism (SE). Rivaroxaban use in Japanese patients with non-valvular atrial fibrillation resulted in a low incidence rate of symptomatic stroke and systemic embolism (1.0%/year).

synapsesocial.com/papers/6a71e1e626a7f98052de064dhttps://doi.org/10.1016/j.ijcard.2018.01.141
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Study Design and Baseline Characteristics of the EXPAND Study: Evaluation of Effectiveness and Safety of Xa Inhibitor, Rivaroxaban for the Prevention of Stroke and Systemic Embolism in a Nationwide Cohort of Japanese Patients Diagnosed as Non-Valvular Atrial Fibrillation2016 · 14 citations
  2. 2XANTUS: a real-world, prospective, observational study of patients treated with rivaroxaban for stroke prevention in atrial fibrillation2015 · 455 citations
  3. 3Rivaroxaban vs. Warfarin in Japanese Patients With Atrial Fibrillation2012 · 645 citations
  4. 4Rivaroxaban versus Warfarin in Nonvalvular Atrial Fibrillation2011 · 9,485 citations
  5. 5Present Status of Anticoagulation Treatment in Japanese Patients With Atrial Fibrillation - A Report From the J-RHYTHM Registry -2011 · 200 citations