Feasibility studies are designed to see if it is possible to do the main study. They aim to find out things such as whether patients and doctors are happy to take part, and how long it might take to collect and analyse the information. They don’t answer the main research question about how well a treatment works.
Pilot studies are small versions of the main study. Pilot studies help to test that all the main parts of the study work together. They may also help answer the research question. Sometimes the research team include the information collected during the pilot study in the results of the main study.
Prevention trials
Prevention trials look at whether a particular treatment can help prevent cancer. The people taking part don’t have cancer.
These trials can be for the general population or for people who have a higher than normal risk of developing a certain cancer. For example, this could include people
