This page contains brief information about anastrozole and a collection of links to more information about the use of this drug, research results, and ongoing clinical trials.
FDA label information for this drug is available at DailyMed.
Use in Cancer
Anastrozole is approved to treat:
- Breast cancer in postmenopausal women who have any of the following types of breast cancer–
- Early-stage, hormone receptor–positive (HR+) breast cancer. It is used in women who have already received other treatment.
- Locally advanced or metastatic breast cancer that is HR+ or hormone receptor unknown (it is not known whether it is HR+ or hormone receptor–negative). It is used as first-line therapy in these patients.
- Advanced breast cancer that has gotten worse after treatment with tamoxifen citrate.
Anastrozole is also being studied in the treatment of other conditions and types of cancer.
More About Anastrozole
MedlinePlus Information on Anastrozole – A lay language summary of important information about this drug that may include the following:
- warnings about this drug,
- what this drug is used for and how it is used,
- what you should tell your doctor before using this drug,
- what you should know about this drug before using it,
- other drugs that may interact with this drug, and
- possible side effects.
Drugs are often studied to find out if they can help treat or prevent conditions other than the ones they are approved for. This patient information sheet applies only to approved uses of the drug. However, much of the information may also apply to unapproved uses that are being studied.