Should we conduct clinical trials on humans at all? Who should participate and is it truly possible to obtain informed consent? Should people with deadly diseases facing certain death have to wait for a clinical trial to test the efficacy of the drug if it shows to be promising in a lab? Would you consider this to be denying someone a treatment that "can't hurt" but can only help?

Should we conduct clinical trials on humans at all? Who should participate and is it truly possible to obtain informed consent? Should people with deadly diseases facing certain death have to wait for a clinical trial to test the efficacy of the drug if it shows to be promising in a lab? Would you consider this to be denying someone a treatment that "can't hurt" but can only help?