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Clinical Trials


Find a Clinical Trial

Search NCI's list of 12,000+ clinical trials now accepting participants.

Learn About Clinical Trials

Information for all audiences describing what clinical trials are and why they’re important. Learn about paying for clinical trials and how patient safety is protected.

Clinical Trial Results

Browse recent clinical trial results by type of cancer or topic.

Conducting Clinical Trials

Information and tools for investigators and research teams about conducting clinical trials, including registration and reporting. 

Clinical Trials Programs and Initiatives

Information about NCI programs and initiatives that sponsor, conduct, develop, or support clinical trials. Also, information about major NCI-supported clinical trials.

International Collaboration in Clinical Trials

Resources to facilitate international alliances in cancer clinical trials