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Atrial fibrillation

Apixaban may be more effective and safer than rivaroxaban, research suggests

Research suggests that taking apixaban for non-valvular atrial fibrillation may be more effective and safer than taking rivaroxaban.

Apixaban may be more effective and safer than rivaroxaban research suggests

Source: Dr P Marazzi / Science Photo Library

Adults who took apixaban were less likely to experience gastrointestinal bleeding or intracranial haemorrhage than those who took rivaroxaban

Adults with non-valvular atrial fibrillation prescribed apixaban have a lower rate of ischaemic stroke and systemic blood clots compared with those prescribed rivaroxaban, according to a retrospective cohort study in Annals of Internal Medicine (10 March 2020)[1].

People taking apixaban were also less likely to experience gastro-intestinal bleeding or bleeding in the brain.

Researchers studied a US insurance claims database to compare the safety and effectiveness of apixaban versus rivaroxaban for more than 78,000 patients with non-valvular atrial fibrillation.

After 290 days of follow-up, the rate of ischaemic stroke or systemic embolism was 6.6 per 1,000 person-years for adults prescribed apixaban, compared with 8.0 per 1,000 person-years for those prescribed rivaroxaban (hazard ratio [HR] 0.82; 95% confidence interval [CI] 0.68–0.98).

The apixaban group also had a lower rate of gastrointestinal bleeding or intracranial haemorrhage compared with those prescribed rivaroxaban (12.9 vs. 21.9 per 1,000 person-years; HR 0.58; 95% CI 0.52–0.66).

The researchers, led by Michael Fralick, a pharmacoepidemiology and pharmacoeconomics research fellow at the Brigham and Women’s Hospital in Boston, Massachusetts, wrote: “Until head-to-head clinical trial data are available, the results of our study … [provide] updated evidence in support of apixaban for treating non-valvular atrial fibrillation.”

Citation: The Pharmaceutical Journal DOI: 10.1211/PJ.2020.20207924

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