I understand the staff and equipment part, but the plans & researchers were there already in the Chinese study that was cancelled because of lack of patients in

I understand the staff and equipment part, but the plans & researchers were there already in the Chinese study that was cancelled because of lack of patients in China (BTW I haven't seen any news about the cancellation of the trial, which is very sad news). In this research it looks to me like Gilead doesn't really want to show how (in)efficient remdesivir is in reality. From 2400 participants there would have been enough for a control arm.