"ClinicalTrials.gov offers up-to-date information for locating federally and privately supported clinical trials for a wide range of diseases and conditions." The database "currently contains approximately 13,000 clinical studies 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 over 100 countries."
You can browse trials by condition, sponsor, and status. Valuable not only for those doing research on conditions, but also those conducting competitive intelligence on participating corporations. Searchable
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