Research participants are partners in discovery at the NIH Clinical Center, the largest research hospital in America. Clinical research is medical research involving people

The Clinical Center provides hope through pioneering clinical research to improve human health. We rapidly translate scientific observations and laboratory discoveries into new ways to diagnose, treat and prevent disease.

More than 500,000 people from around the world have participated in clinical research since the hospital opened in 1953. We do not charge patients for participation and treatment in clinical studies at NIH. In certain emergency circumstances, you may qualify for help with travel and other expenses

Read more, to see if clinical studies are for you.

It is not the intention of NIH to provide specific medical advice, but rather to provide users with information to better understand their health and their diagnosed disorders. Specific medical advice will not be provided, and NIH urges you to consult with a qualified physician for diagnosis and for answers to your personal questions.

Email sent to the National Institutes of Health Clinical Center may be forwarded to appropriate NIH or outside experts for response. We do not collect your name and e-mail address for any purpose other than to respond to your query. Nevertheless, email is not necessarily secure against interception. This statement applies to NIH Clinical Center Studies website. For additional inquiries regarding studies at the National Institutes of Health, please call the Office of Patient Recruitment at 1-800-411-1222