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.
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.