Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Traditional Methods of Reducing Placebo Effect in Clinical Trials
| Run-in phase preceding randomization to identify high placebo response |
| Comparative assessment of baseline depression and anxiety with a validated scale |
| Lower frequency of intervention |
| Optimizing and standardizing patient-physician relationships |
