Hormone therapyFDA-approvedFirst-line

Anastrozole

How it works

Blocks the production of estrogen in the body, which can fuel the growth of hormone receptor-positive breast cancer cells.

Cancer types

Breast CancerHormone receptor-positive

Efficacy

Studies have shown that anastrozole can improve response rates and progression-free survival in patients with hormone receptor-positive breast cancer.

Side effects

Mild

Most people tolerate this treatment well. Side effects are generally manageable and do not require stopping treatment.

Evidence from research

StudyCancer typeStageEfficacy
Tamoxifen and Other Hormone Treatments for Invasive Breast CancerBreast Cancerphase-3Source →
Testing a Combination Therapy for ER-Positive, HER-2 Positive Breast CancerBreast Cancerphase-2Source →
Hormone Therapy Side Effects in Breast Cancer PatientsBreast CancerobservationalSource →

This information is provided for general education only and is not medical advice. Always consult a qualified healthcare professional before making treatment decisions.