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)
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