Clinical trials are extremely important scientific studies, needed and required by the U.S. Food and Drug Administration (FDA) to assess new medical treatments, including treatments for prostate cancer. Participating in a clinical trial can offer benefits to people with the disease. Here's a list of some things you should know about prostate cancer clinical trials: 1. There Are Many Benefits from Participating in a Trial Clinical trials are extremely important scientific studies. The investigation of new medical treatments for diseases such as prostate cancer needs clinical trials, which are required by the U.S. Food and Drug Administration (FDA) to assess new medical treatments. The benefits are shared by investigators and patients, who gain access to new treatments, expert medical care, free treatment or reduced costs, and who help advance science and, therefore, other patients. Read more about the possible pros and cons of clinical trial participation here.