Gilly said:
The hospital didn't give the placebo, the testing place did.
Why would the hospital give a placebo in this situation?
Most likely the trial they are running (well not anymore..) would essentially be:
"Will our spanky new drug be as effective for treating X compared to no treatment for X?"
The trial won't allow nothing to be given, so a placebo has to be given instead. Only after the trial has taken place do you look at how effective it was, by looking at who took what, and what happened to the subjects.
That's probably not the best explanation you'll get tbh but i'm too hungover