Dr Jerry, just google Leronlimab, covid, EIND and you'll get a pretty decent breakdown of what happened with the first 55-60 EIND's that were authorized, this was at the beginning of the pandemic and before any trials.
This is a decent 4 minute over-view after which you can then head toward specifics.
this is a 3min22sec powerhouse full of leronlimab info and links. You click and it takes you there. And if you can't get your question(s) answered, come back here and ask again! There are several med people here that probably can point you in the correct direction. Also please aware the Cytodyn folks have been very active in helping out, so good luck on helping your patient. If I contracted Covid-19, I'd want a person like you to be on my side! (You wouldn't be my son, Ryan's friend, Dr. Jerry out in California??) Best of luck!!