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 clinical trials: Clinical research is at the heart of all medical advances, identifying new ways to prevent, detect or treat disease. If you have a bone marrow failure disease, you may want to consider taking part in a clinical trial, also called a research study. Understanding Clinical Trials Clinical… . Treatment trials test new treatment options. Diagnostic trials test new ways to diagnose a disease. Screening trials test the best way to detect a disease or health problem. Quality of life (supportive care) trials study ways to improve the comfort of people with chronic illness chronic illness: A medical condition that lasts a long time. A chronic illness can affect a person's lifestyle, ability to work, physical abilities and independence. . Prevention trials look for better ways to prevent disease in people who have never had the disease. Trials are in four phases. Phase I tests a new drug or treatment in a small group to see if it is safe. Phase II expands the study to a larger group of people to find out if it works. Phase III expands the study to an even larger group of people to compare it to the standard treatment for the disease; and Phase IV takes place after the drug or treatment has been licensed and marketed to find out the long-term impact of the new treatment.