decorative image
Official websites use .gov
A .gov website belongs to an official government organization in the United States.
decorative image
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.

n/a Warning! This browser is not supported - Some features might not work. Try using a different browser such as Chrome, Edge, Firefox, or Safari.

Updated Case Studies and FAQs on the Clinical Trial Definition

We just released revised FAQs and case studies on the definition of a clinical trial, incorporating a number of thoughtful suggestions from the community. 

See:         Open Mike Blog on the Updated Case Studies to learn about the types of topics that got further clarified (yes, case study 18 is one of them!)

Expect these resources to continue to evolve as we get additional feedback and questions.