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Hormone Therapy for Ovarian Cancer
Hormone therapy is the use of hormones or hormone-blocking drugs to fight cancer. This type of systemic therapy is rarely used to treat epithelial ovarian cancer, but is more often used to treat ovarian stromal tumors.
Luteinizing-hormone-releasing hormone (LHRH) agonists
LHRH agonists (sometimes called GnRH agonists) switch off estrogen production by the ovaries. These drugs are used to lower estrogen levels in women who are premenopausal. Examples of LHRH agonists include goserelin (Zoladex?) and leuprolide (Lupron?). These drugs are injected every 1 to 3 months. Side effects can include any of the symptoms of menopause, such as hot flashes and vaginal dryness. If they are taken for a long time (years), these drugs can weaken bones (sometimes leading to osteoporosis).
Tamoxifen
Tamoxifen is a drug that is often used to treat breast cancer. It can also be used to treat ovarian stromal tumors and is rarely used to treat advanced epithelial ovarian cancer. Tamoxifen acts as an anti-estrogen in many tissues in the body, but as a weak estrogen in others. The goal of tamoxifen therapy is to keep any estrogens circulating in the woman’s body from stimulating cancer cell growth. The anti-estrogen activity of this drug can lead to side effects like hot flashes and vaginal dryness. Because tamoxifen acts like a weak estrogen in some areas of the body, it does not cause bone loss but can increase the risk of serious blood clots in the legs.
Aromatase inhibitors
Aromatase inhibitors are drugs that block an enzyme (called aromatase) that turns other hormones into estrogen in post-menopausal women. They don’t stop the ovaries from making estrogen, so they are only helpful in lowering estrogen levels in women after menopause. These drugs are mainly used to treat breast cancer, but can also be used to treat some ovarian stromal tumors that have come back after treatment as well as low grade serous carcinomas. They include letrozole (Femara?), anastrozole (Arimidex?), and exemestane (Aromasin?). These drugs are taken as pills once a day.
Common side effects of aromatase inhibitors include hot flashes, joint and muscle pain, and bone thinning. The bone thinning can lead to osteoporosis and bones that break easily.
More information about hormone therapy
To learn more about how hormone therapy is used to treat cancer, see Hormone Therapy.
To learn about some of the side effects listed here and how to manage them, see Managing Cancer-related Side Effects.
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The P站视频 medical and editorial content team
Our team is made up of doctors and oncology certified nurses with deep knowledge of cancer care as well as editors and translators with extensive experience in medical writing.
Cannistra SA, Gershenson DM, Recht A. Ch 76 - Ovarian cancer, fallopian tube carcinoma, and peritoneal carcinoma. In: DeVita VT, Hellman S, Rosenberg SA, eds. Cancer: Principles and Practice of Oncology. 10th ed. Philadelphia, PA: Lippincott Williams & Wilkins; 2015.
Gershenson DM, Bodurka DC, Coleman RL et al. Hormonal Maintenance Therapy for Women with Low Grade Serous Cancer of the Ovary or Peritoneum. J Clin Oncol. 2017; 35(10): 1103-1111.
Morgan M, Boyd J, Drapkin R, Seiden MV. Ch 89 – Cancers Arising in the Ovary. In: Abeloff MD, Armitage JO, Lichter AS, Niederhuber JE, Kastan MB, McKenna WG, eds. Clinical Oncology. 5th ed. Philadelphia, PA: Elsevier; 2014: 1592.
National Comprehensive Cancer Network (NCCN)--Ovarian Cancer Including Fallopian Tube Cancer and Primary Peritoneal Cancer. V2.2018. Accessed February 5, 2018, from https://www.nccn.org/professionals/physician_gls/pdf/ovarian.pdf
Last Revised: April 11, 2018
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