ClinicalTrials.gov

ClinicalTrials.gov is a service of the National Institutes of Health and is a registry of federally and privately supported clinical trials conducted in the United States and around the world. ClinicalTrials.gov gives you information about a trial's purpose, who may participate, locations, and phone numbers for more details. This information should be used in conjunction with advice from health care professionals.

The link address is: http://clinicaltrials.gov/