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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 73,311 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 167 countries ClinicalTrials.gov receives over 40 million page views per month 50,000 visitors daily.

Access restrictions: No restrictions.

Connect to: ClinicalTrials.gov

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