Regeneron COVID-19 drug trial halted in sickest patients
![](https://static.foxbusiness.com/foxbusiness.com/content/uploads/2020/05/regeneron-iStock.png)
pended testing of its Covid-19 antibody drug in the sickest hospitalized patients because of a safety concern, the latest setback for antibody-drug trials in patients with the most advanced disease.
0 Comments