Related Pages Search for Clinical Trials 1 NCI's PDQ® registry of cancer clinical trials. Educational Materials About Clinical Trials 2 What clinical trials are, how they work, and other educational materials for patients and professionals. Related Information View/Print a PDF of this guide 3 Need help finding a trial?   Call 1-800-4-CANCER

Representatives from several organizations worked together to produce this guide.

• The U.S. National Cancer Institute ⁴ - The federal government's chief cancer research agency and part of the U.S. National Institutes of Health
• The U.S. Food and Drug Administration ⁵ - the division of the U.S. Department of Health and Human Services charged with ensuring the safety and effectiveness of new drugs and other products
• The Summit Series on Cancer Clinical Trials ⁶, sponsored by a variety of nonprofit groups including patient advocates, physicians, nurses, and others involved in the U.S. cancer clinical trial system