Assume for a moment your assessment of remdesivir
Post# of 72440
Now apply MO's model, accounting for the fact that most ICU patients survive.
In a small sample set, 1 clinical test site, it will be very difficult to determine with certainty that an experimental treatment is having a positive outcome. Particularly in a blinded protocol.
(1) https://jamanetwork.com/journals/jama/fullarticle/2769290