What are some hormone blockers for breast cancer? Two SERMs, tamoxifen and toremifene, are approved to treat metastatic breast cancer. The antiestrogen fulvestrant is approved for postmenopausal women with metastatic ER-positive breast cancer that has spread after treatment with other antiestrogens (10).
What happens if you don’t take estrogen blockers after breast cancer? A study has found that postmenopausal women who stop taking hormonal therapy early or skip doses are much more likely to have a breast cancer recurrence than women who take hormonal therapy as prescribed.
What is the success rate of hormone therapy for breast cancer? The study found that patients with 5 years of tamoxifen treatment showed better disease free survival than patients with 10 years of treatment (82% vs 78%, P = . 03), and no statistically significant differences in survival rate were found between these 2 groups (94% vs 91%, P = . 07).
What are the side effects of estrogen blockers?
- Hot flashes. A hot flash is also called a hot flush.
- Vaginal dryness and other vaginal issues. Vaginal dryness and vaginal discharge can be bothersome.
- Nausea and vomiting.
- Weight gain.
- Mood swings.