This page tells you about how researchers assess people’s quality of life. This means looking at how your treatment or illness affects you| Cancer Research UK
As well as phase 1, 2 and 3 trials, other types of trials include pilot studies, feasibility studies and observational studies.| Cancer Research UK
Entry conditions for trials include the type and stage of cancer. Researchers may also assess your general health to measure your performance status.| Cancer Research UK
Clinical trials are divided into different phases. Most trials are phase 1, 2 or 3. But some trials are classified as phase 0 and some as phase 4.| Cancer Research UK