Research and clinical trials into cancer of unknown primary (CUP)

Researchers are looking at better ways to monitor and treat cancer of unknown primary (CUP).

Trials aim to find out if a new test or treatment is safe and if it works better than current ones.

Find out about what researchers should tell you before you agree to take part in a trial.

Our clinical trials database has details of open and closed trials in the UK, and summaries of the results.

If you see a trial you're interested in, discuss it with your specialist or GP.

Find out more about the research CRUK is doing now, and how it has saved or improved the lives of cancer patients.