What The Study Did:
This randomized clinical trial looked at changes in levels of the hormone estradiol in men with hormone receptor-positive breast cancer after three months of treatment with endocrine therapies.
Authors:
Sibylle Loibl, M.D., Ph.D., of the German Breast Group in Neu-Isenburg, Germany, is the corresponding author.
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(doi:10.1001/jamaoncol.2020.7442)
Editor's Note: The article includes conflicts of interest and funding/support disclosures. Please see the article for additional information, including other authors, author contributions and affiliations, conflict of interest and financial disclosures, and funding and support.
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JAMA Oncology