News Release

Racial and ethnic disparities in initiation of direct oral anticoagulants among Medicare beneficiaries

JAMA Network Open

Peer-Reviewed Publication

JAMA Network

About The Study: In this cohort study of Medicare patients with atrial fibrillation, Black and Hispanic patients were less likely to initiate direct oral anticoagulants for atrial fibrillation, although these differences diminished over time. Identifying the factors behind these early disparities is crucial for ensuring equitable access to novel therapies as they emerge for Black and Hispanic populations. 

Corresponding Authors: To contact the corresponding authors, email Kamika R. Reynolds, M.S., Ph.D. ( and Chintan V. Dave, Pharm.D., Ph.D. ( 

To access the embargoed study: Visit our For The Media website at this link 


Editor’s Note: Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.

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About JAMA Network Open: JAMA Network Open is an online-only open access general medical journal from the JAMA Network. On weekdays, the journal publishes peer-reviewed clinical research and commentary in more than 40 medical and health subject areas. Every article is free online from the day of publication. 

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