ClinicalTrials.gov. ClinicalTrials.gov offers up-to-date information for locating federally and privately supported clinical trials for a wide range of diseases and conditions. A clinical trial (also clinical research) is a research study in human volunteers to answer specific health questions. Interventional trials determine whether experimental treatments or new ways of using known therapies are safe and effective under controlled environments. Observational trials address health issues in large groups of people or populations in natural settings.
ClinicalTrials.gov currently contains 100,378 trials sponsored by the National Institutes of Health, other federal agencies, and private industry. Studies listed in the database are conducted in all 50 States and in 174 countries ClinicalTrials.gov receives over 50 million page views per month 65,000 visitors daily.
Centerwatch. As a pioneer in publishing clinical trials information, CenterWatch was the first Internet site to publish detailed information about active clinical trials that could be accessed by patients and their advocates. Today, it has one of the largest databases of global clinical trials actively seeking patients on the Internet. The global source for clinical trials information: offering news, analysis, study grants, career opportunities, and trial listings to professionals and patients.