Clinical Studies

Information for the Public and Potential Volunteers

What a clinical study is, who can participate, and how to find a study.

Information for Researchers and Health Professionals

Includes information on:

• Clinical Trials
  Volunteers are prospectively assigned to interventions so researchers can evaluate the interventions' effects on health-related biomedical or behavioral outcomes. Overview, concept proposal considerations, data and safety monitoring guidelines, conflict of interest form, program announcements and notices, terms and conditions for cooperative agreements.
• Observational Studies
  Studies that provide information about incidence, prevalence, and natural history of a disease or condition. Data monitoring guidelines; conflict of interest form.