One of the largest phase 3 trials of adjuvant bisphosphonate therapy in women with breast cancer has shown that zoledronic acid does not improve overall survival or prevent cancer recurrence. Almost universally, experts called the findings a disappointment. But the study, known as AZURE, has generated a new hypothesis: adjuvant therapy with the bone-building drug may improve survival odds and reduce the risk of disease progression in women with low estrogen levels from natural menopause or medication-induced ovarian suppression.
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Adjuvant therapy with the bisphosphonate zoledronic acid might improve survival in postmenopausal women with breast cancer, according to recent clinical trials.
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