The following information may help to address your question:
You can also contact the Patient Recruitment and Public Liaison (PRPL) Office at the National Institutes of Health (NIH). We recommend calling the toll-free number listed below to speak with a specialist, who can help you determine if you are eligible for any
Patient Recruitment and Public Liaison Office (PRPL)
NIH Clinical Center
Bethesda, Maryland 20892-2655
Web site: http://clinicalcenter.nih.gov/
ClinicalTrials.gov provides a helpful guide for information about participating in a clinical trial. Resources for travel and lodging assistance are listed on the National Center for Advancing Translational Sciences Office of Rare Diseases Research (NCATS-ORDR) website, part of the National Institutes of Health (NIH).