Why Knowing Your HER2 Status is Important - Metastatic Breast Cancer Trial Talk

Research News

Your cancer may be HER2-negative, HER2-positive, or HER2-low depending on the levels of the HER2 protein found on the surface of your cancer cells. Understanding your HER2 status is important for selecting the best treatment because drugs are available and prescribed based on your cancer’s HER2 status.

HER2 status may change over time. It may be helpful to have a conversation with your doctor about HER2 testing, including which tests to get and when. The most common tests are the IHC test and the FISH test. However, other tests may need to be developed to better identify people who will benefit from drugs according to their cancer’s HER2 status.

Read below to learn more about HER2 status in breast cancer, current testing options, and the future of HER2 testing.

HER2 Status and MBC

Current HER2 Testing

Future HER2 Testing

HER2 Clinical Trials

Last Modified on September 26, 2023



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