Discover hundreds of clinical trials for virtually all types of cancer.
Most breast cancers are sensitive to hormones such as estrogen and progesterone. Because of this, hormone therapy often plays an important role in breast cancer treatment.
Your team will walk you through the wide array of available breast cancer hormone therapy treatments and clinical trials.
In some patients, certain hormones -- usually the female hormones estrogen and progesterone -- attach to breast cancer cells and cause them to grow faster. There are two terms you should know:
About 70 percent of breast cancer tumors are ER-positive. Most of those cancers also are PgR-positive. Your doctor will identify whether a tumor is hormone-sensitive after a biopsy or surgery to remove a tumor.
Hormone therapy treats breast cancer by delivering drugs to block your body’s production of the hormones that are encouraging breast cancer cells to grow. Many women take hormone therapy for about five years after breast cancer surgery to prevent a recurrence or growth of their cancer.
Types of hormone therapy include:
Our breast cancer patients at times have access to clinical trials investigating new hormone therapies that have not yet been approved for broad clinical use.
Talk with your doctor about whether a clinical trial might be right for you.
Contact the cancer team 24/7 by calling
Please call 911 if you have an emergency or urgent medical question.
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