Cancer clinical trials are cancer research studies that involve people. The main purpose of a clinical trial is to find a better way to prevent, diagnose or treat a disease. Clinical trials are part of a long, careful research process. Patients who participate in a clinical trial receive drugs or procedures that already have been researched in successful laboratory and/or animal studies. Most clinical trials study new drugs or procedures, but some study drugs or procedures that have already received approval by the U.S. Food and Drug Administration.
All patients who participate in clinical trials are volunteers. They can choose to stop their participation in a clinical trial at any time.
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Clinical trials are research studies that test new cancer drugs, diagnostic procedures and therapies on humans.