Ability to Metabolize Tamoxifen Affects Breast Cancer Outcomes, Mayo Clinic Study
12/27/2012 7:34:59 AM
For nearly a decade, breast cancer researchers studying the hormone therapy tamoxifen have been divided as to whether genetic differences in a liver enzyme affect the drug's effectiveness and the likelihood breast cancer will recur. A new study by researchers from the Mayo Clinic Cancer Center and the Austrian Breast and Colorectal Cancer Study Group provides evidence that genetic differences in the enzyme CYP2D6 play a key role in how well tamoxifen works.
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