Do you understand what a 'double-blind' trial is?

"A 'double-blind' trial is a clinical trial in which neither patients nor the study staff knows which participants are receiving the experimental drug and which are receiving a placebo or standard treatment. The benefit of this type of trial is that it prevents bias when doctors are evaluating patients throughout the trial. In my previous role, I supported a mix of trials, and double-blind trials made up about 25% of the projects I was on."

"Yes, I do understand 'double-blind' trials. In this type of trial, like a controlled trial, one group of participants receives the experimental drug or treatment while another group receives a placebo or standard treatment. The difference is in a 'double-blind,' neither the staff working the trial nor the participants know which group is receiving which treatment."