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Search NCI's list of 8,000+ clinical trials now accepting participants.

Clinical Trial Results

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Educational Materials About Clinical Trials

Learn what clinical trials are, how they work, why they're useful, patient care costs, and more.

Noteworthy Clinical Trials

Find information about major NCI-supported clinical trials, open or closed to new participants.

Conducting Clinical Trials

Find information for research teams about data and safety monitoring, online education about clinical trials, and more.