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HIV and Emerging Infectious Diseases Program

Clinical Trials Overview

What is a Clinical Trial?

A clinical trial (also clinical research) is a research study in which people participate as volunteers.

A research study is a scientific investigation to achieve a complete understanding of a topic.

Carefully conducted clinical trials are the fastest and safest way to find

  • Treatments and medications that work in people
  • Ways to improve health

There are strict rules for clinical trials, which are monitored by

  • National Institutes of Health (NIH)
  • Food and Drug Administration

Some of the research studies at the NIH Clinical Center involve promising new treatments that may directly benefit patients.

You can Search the Studies to access a database of NIH clinical studies being conducted at the Clinical Center in Bethesda, Maryland.

For questions about participating in any of these clinical studies, contact

Patient Recruitment and Public Liaison Office
Toll free: 800-411-1222
TTY: 866-411-1010

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Last Updated June 09, 2011