Red blood cell

Anticoagulation Trials

ACTIV IV ACUTE: Anti-thrombotics for Adults Hospitalized With COVID-19

The ACTIV4A Inpatient study is testing if antithrombotic treatments – medications that reduce the creation of clots -- improve recovery from patients hospitalized due to COVID-19.

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COVID-19 Positive Outpatient Thrombosis Prevention in Adults Aged 40-80

The ACTIV4B Outpatient study is testing if anticoagulation agents – blood thinners -- prevent mild infection, being treated at home, from worsening and requiring hospitalization.

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