Harvard Health Blog
Cancer treatment: Is a clinical trial right for you?
By: Guru P. Sonpavde, MD, Contributor Clinical trials are research studies that test a new drug or therapy in patients who have a disease. These studies are classified as phase I, II, or III depending on their purpose. Phase I: These initial, small studies test promising new drugs that effectively kill cancer cells in laboratory experiments. The goal is to understand the safe dose and capture early evidence of benefit. Phase I