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Find NCI-Supported Clinical Trials

NCI-supported clinical trials are those sponsored or otherwise financially supported by NCI. See our guide, Steps to Find a Clinical Trial, to learn about options for finding trials not included in NCI's collection.

Search Tip: For more search options, use our advanced search.
Cancer Type/Keyword ?
Age ?
Your age helps determine which trials are right for you.
U.S. ZIP Code ?
Show trials near this U.S. ZIP code.

The Clinical Trials API: Use our data to power your own clinical trial search

An application programming interface (API) helps translate large amounts of data in meaningful ways. NCI’s clinical trials search data is now powered by an API, allowing programmers to build applications using this open data.