Hormonal Therapy

• Your cancer cells will be tested to see if the cancer cells have estrogen or progesterone receptors.
• If this is positive, then it means that your cancer cell growth can be stimulated by estrogen or progesterone.
• Hormonal therapy can block this effect.

Common Hormonal Drugs Used in Breast Cancer

1. Tamoxifen
   • May increase risk of uterine cancer by 1%
   • Slight increased risk of deep vein thrombosis (blood clot in the legs)
2. Aromatase Inhibitor. Examples: Anastrozole, Letrozole, Exemestane
   • Risk of osteoporosis
   • Some patients experience joint pains