Clinical trials are studies that evaluate the effectiveness of new interventions.
There are different types of cancer clinical trials. So, depending on what is being studied, a particular clinical trial may involve patients with cancer or people who do not have cancer but are at higher risk than most people for developing it. If you take part in a clinical trial, you may benefit from a new drug, procedure, or symptom-control method while helping scientists evaluate its effectiveness. Your participation may also contribute directly to finding better ways to prevent, detect, or treat the disease. Many of today's most effective interventions are the direct result of knowledge gained through clinical trials.