Cancer Research UK logo.
SearchDonate
  • Search

Cancer of unknown primary (CUP)

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

All cancer treatments have to be fully researched before they can be used for everyone. Current research is looking at ways to improve the diagnosis and treatment of cancer of unknown primary (CUP).

Research into cancer of unknown primary

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

What clinical trials are

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

What you should be told about a clinical trial

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

Find a clinical trial

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

How to join a clinical trial

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

Our research

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

Last reviewed: 23 Aug 2024

Next review due: 23 Aug 2027

The Dangoor Education logo.

Dangoor Education

About Cancer generously supported by Dangoor Education since 2010. Learn more about Dangoor Education

Patient Information Forum. Trusted Information Creator.
Plain English Campaign award.

Help and Support

An icon of a hand shake.

Find a Clinical Trial

Search our clinical trials database for all cancer trials and studies recruiting in the UK.

An icon of two speech bubbles, indicating a conversation.

Cancer Chat forum

Meet and chat to other cancer people affected by cancer.

An icon of a landline phone.

Nurse helpline

Questions about cancer? Call freephone 0808 800 40 40 from 9 to 5 - Monday to Friday. Alternatively, you can email us.