Oncology & Cancer

Tamoxifen resistance linked to high estrogen levels in utero

An animal study suggests that resistance to tamoxifen therapy in some estrogen receptor positive breast cancers may originate from in utero exposure to endocrine disrupting chemicals. The study provides a new path forward ...

Oncology & Cancer

Two years of tamoxifen offers long-term survival benefit

(HealthDay)—For premenopausal women with breast cancer, two years of tamoxifen is associated with long-term survival benefit, according to a study published online May 9 in the Journal of Clinical Oncology.

Oncology & Cancer

Why does tamoxifen work better in some women?

The anti-hormone therapy tamoxifen can reduce breast cancer recurrence by about half in women with hormone-sensitive breast cancer. But it works better in some women than others. Researchers are not sure why.

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