What Happens in a Clinical Trial? How do I know if it's the right option for me?

Why would I choose a clinical trial clinical trial: A type of research study that tests how a drug, medical device, or treatment approach works in people. There are several types of clinical trials. Treatment trials test new treatment options. Diagnostic trials test new ways to diagnose a disease. Screening trials test the best way to detect a… ?  What kind of additional care would I receive?  How do I know if I qualify?  
Christina Cline, RN, BSN, CCRC, explains both patient and nurse navigator roles in this recent recording.