Breast cancer
Results
Phase 3
This trial was done to see if it’s better to take tamoxifen for 10 years rather than 5 years after surgery for early breast cancer.
The trial was supported by Cancer Research UK. It was open for people to join between 1991 and 2005. The trial team presented some results at a conference in 2013. They published more results in a medical journal in 2019 and 2022.
Recruitment start: 1 January 1991
Recruitment end: 31 December 2005
Please note: In order to join a trial you will need to discuss it with your doctor, unless otherwise specified.
Professor Daniel Rea
Professor Richard Gray
Cancer Research UK
Medical Research Council (MRC)
NIHR Clinical Research Network: Cancer
Biotheranostics, Inc.
University of Birmingham
This is Cancer Research UK trial number CRUK/94/001.
Last reviewed: 24 April 2023
CRUK internal database number: 27
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