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NIH Clinical Studies Information Request

E-mailed Inquiries/Requests
E-mail 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. If your communication contains sensitive or personal information, you may want to send it by postal mail. This statement applies to the NIH Clinical Center Clinical Studies website. Inquiries may be mailed to the addresses above.

To request information by e-mail, please complete the following:


Office of Patient Recruitment

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Mail, Phone or Fax

Office of Patient Recruitment

Building 61
10 Cloister Court
Bethesda, Maryland 20892-4754

Toll Free: 1-800-411-1222
TTY: 301-594-9774 (local),
1-866-411-1010 (toll free)