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Get the latest research information from NIH: is a database of privately and publicly funded clinical studies conducted around the world. is a registry and results database of publicly and privately supported clinical studies of human participants conducted around the world.

Explore 349,708 research studies in all 50 states and in 216 countries.

See listed clinical studies related to the coronavirus disease (COVID-19) is a resource provided by the U.S. National Library of Medicine.

IMPORTANT: Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.

Before participating in a study, talk to your health care provider and learn about the risks and potential benefits.

Find a study (all fields optional)
(For example: breast cancer)
(For example: NCT number, drug name, investigator name)

Patients and Families

Search for actively recruiting studies that you may be able to participate in or learn about new interventions/treatments that are being considered.

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Search the database to stay up to date on developments in your field, find collaborators, and identify unmet needs.

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Study Record Managers

Learn about registering studies and about submitting their results after study completion.

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