Find a clinical trial

A clinical trial is a research study that people can join. Some test a new treatment. Some test a new way to use a treatment we already have. Joining one is always your choice.

How to think about a clinical trial covers what taking part involves, when to ask, and what the phases mean.

Talk to your care team before you contact a trial. They know your history and can tell you whether a trial is worth your time. Nothing on this page is medical advice, and we are not part of any trial.

Trials near you

Enter your ZIP code to see open trials with a site within 50 miles. We use your ZIP only to run that search. We do not store it.

This box works for US ZIP codes only. Outside the US, use the country filter below to see trials in your country. It will not tell you how far away they are.

Trials by countries

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Countries to include

Showing 478 trials. Trials we know are closed are left out. This list is the brain tumor trials we track, not every trial on ClinicalTrials.gov. The search above looks at all of them.

Trial information comes from ClinicalTrials.gov, a service of the U.S. National Library of Medicine. We copy it as it is published there and do not change it. Always check the trial's own page for the latest.