Herceptin (Trastuzumab) for Breast Cancer Treatment
Herceptin (Trastuzumab) for Breast Cancer Treatment: Quick Links
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Herceptin (Trastuzumab) and Breast Cancer: Patients and Caregivers
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Herceptin (Trastuzumab) Breast Cancer: Foundation

HER2 Testing Information

In clinical trials, some people receiving Herceptin experienced serious side effects. You have a team of knowledgeable healthcare professionals ready to help you with your care. If you have questions or concerns about your treatment, or any signs or symptoms you are experiencing, please talk to your doctor.

HER2 Breast Cancer

Read information on HER2 and the importance of knowing your tumor's HER2 status.

What is HER2?

HER2 stands for Human Epidermal growth factor Receptor 2. Read more about HER2 and the importance of finding out your HER2 status.

Getting Tested

Women who are uncertain of their cancer's HER2 status should talk to their doctor. Find out more about what you need to know.

What Your Test Results Mean

Knowing the biological makeup of the tumor helps the doctor understand how quickly the cancer might grow and what treatments may be best. This section may help you to understand your test results and speak more clearly with your doctor.

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