UChicago Medicine Comprehensive Cancer Center

University of Chicago Medicine breast cancer specialists are experienced in treating triple-negative breast cancer, a rare form of breast cancer that occurs disproportionately in young women and African-American women, though it can occur in women of any age or ethnicity.

"Triple-negative" means the tumor is estrogen receptor-negative, progesterone receptor-negative and HER2-negative. Many common breast cancer treatments target these receptors, such as tamoxifen, which targets the estrogen receptor, and Herceptin (trastuzumab), which focuses on abnormally expressed HER2 receptors.

A triple-negative breast cancer diagnosis means the tumor will not respond to hormone therapies or drugs that target the HER2 overexpression, though other medicines are available.

"Not all breast cancers are the same," said medical oncologist Rita Nanda, MD, an expert in the treatment of triple-negative, early onset and hereditary breast cancers. "For many years, there has been a gap in the treatment options available for some types of breast cancers."

UChicago Medicine conducts clinical trials of promising new treatments for triple-negative breast cancer. Our breast cancer experts are part of I-SPY 2, a multi-center clinical trial for women with newly diagnosed, locally advanced breast cancer (Stage II/III). It is designed to identify effective therapies for specific patient subgroups based on the molecular characteristics of their disease. In 2017, I-SPY 2 researchers reported that pembrolizumab, a drug already approved for use in melanoma, lung cancer and other cancers, is effective in treating triple-negative breast cancer.

Old Drugs Bring New Hope

The lack of better medicines for triple-negative breast cancer prompted a team of UChicago Medicine researchers to look for novel drug targets and new ways to disrupt disease-causing pathways. In the process, they found a pair of new weapons, two seasoned drugs that — when tested in mice — produced encouraging results.

"We think we may have found a way to treat resistant breast cancers that currently have no targeted therapy by repurposing two older drugs, metformin and heme, that are already in the marketplace," said the study's senior author Marsha Rosner, PhD, the Charles B. Huggins Professor in the Ben May Department for Cancer Research at the University of Chicago.

Our Breast Cancer Care Locations

Request an Appointment

We are currently experiencing a high volume of inquiries, leading to delayed response times. For faster assistance, please call 1-855-702-8222 to schedule your appointment.

If you have symptoms of an urgent nature, please call your doctor or go to the emergency room immediately.

For Referring Physicians

To refer a patient for breast cancer care, please call UCM Physician Connect at 1-800-824-2282

 

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By submitting this form you acknowledge the risk of sending this information by email and agree not to hold the University of Chicago or University of Chicago Medical Center liable for any damages you may incur as a result of the transfer or use of this information. The use or transmittal of this form does not create a physician-contact relationship. More information regarding the confidentiality of this request can be found in our Privacy Policy.
medical oncologist Olwen Hahn, MD

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