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This study looked at a blood test called a multi-cancer early detection (MCED) test. It is also called the Galleri test.
It was for people who were having tests for symptoms that might have been cancer.
The study was open for people to join between July and November 2021. The team published some results in 2023 and presented more results at a conference in 2025. They hope to publish the results in a medical journal soon.
Recruitment start: 7 July 2021
Recruitment end: 30 November 2021
Please note: In order to join a trial you will need to discuss it with your doctor, unless otherwise specified.
Professor Mark Middleton
University of Oxford (sponsor)
GRAIL Bio UK Ltd
NHS England
NHS Wales
National Institute for Health Research (NIHR)
Last reviewed: 08 Dec 2025
CRUK internal database number: 17641
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