Questions About Cancer? 1-800-4-CANCER

U.S. Cooperative Groups

What is a cooperative group?

NCI’s Clinical Trials Cooperative Group Program is designed to promote and support clinical trials (research studies) of new cancer treatments, explore methods of cancer prevention and early detection, and study quality-of-life issues and rehabilitation during and after treatment. Cooperative groups include researchers, cancer centers, and community physicians throughout the United States, Canada, and Europe. They work with NCI to identify important questions in cancer research and to design clinical trials to answer these questions. More...