ACTIV-4C - Post-hospital

Official Title

COVID-19 Post-hospital Thrombosis Prevention Study: A multicenter, adaptive, prospective, randomized trial evaluating the efficacy and safety of antithrombotic strategies in patients with COVID-19 following hospital discharge

Study Details

The purpose of the study is to determine the most most effective and safe to prevent blood clots.

Principal Investigator

Dr. Kristen Sanfilippo

IRB Number



1. Participants must be 18 or older
2. Participants must have had a positive COVID-19 infection and must have been hospitalized for 48 or more hours

Volunteer Information

For more information about this study, contact Volunteer for Health at: