In cancer prevention clinical trials, studies that focus on examining whether taking certain medicines, vitamins, minerals, or food supplements can prevent cancer. Research studies with people. Each trial tries to answer specific scientific questions and to find better ways to prevent, detect, or treat diseases or to improve care.
Polyps are a risk factor for cancer of the bowel.
A document that provides key facts about a clinical trial. This includes information about the study agent, tests that study participants may have, and possible benefits and risks. Although all participants in a clinical trial must sign a consent form, they can leave the study at any time. As a trial proceeds, there may be new consent forms. In a Phase III cancer prevention clinical trial of a study agent, the group that receives either a placebo or a standard agent that is being compared to a new agent.