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European Regulators Validate TNBC Biologic Treatment Application

The European Medicines Agency has validated the Marketing Authorization Application (MAA) for sacituzumab govitecan-hziy for adults with unresectable locally advanced or metastatic triple-negative breast cancer (TNBC). 

According to a release from the manufacturer, the application is specifically for patients who have had at least two prior therapies, including at least one for locally advanced or metastatic disease. The treatment is described as a “first-in-class therapy” which targets the protein Trop-2, which is seen in many types of epithelial tumors, including TNBC. 

“Metastatic triple-negative breast cancer is an aggressive and life-threatening cancer,” said Merdad Parsey, MD, PhD, Chief Medical Officer, Gilead Sciences. “Unfortunately, for many people with this cancer, there are not enough effective treatment options, and their prognosis is extremely poor.”

During the ASCENT trial, patients were randomized to either sacituzumab govitecan-hziy or a chemotherapy chosen by the patient’s provider. The primary endpoint of the study was progression-free survival in patients without brain meta-sta-sis at baseline.  

The most common adverse reactions reported in patients with metastatic TNBC include nausea, neutropenia, diarrhea, fatigue, anemia, and vomiting.

There are currently no approved standard treatments providing benefit in overall survival for patients with previously treated metastatic TNBC, according to the release. However, the medication received accelerated approval from the FDA to treat patients with metastatic TNBC who have received at least two prior therapies for metastatic disease. 

Regulatory agencies in Europe, the UK, Canada, Switzerland, and Singapore are currently reviewing applications for sacituzumab govitecan as a treatment for TNBC. 

Studies are ongoing examining the treatment for patients with HR+/HER 2-negative metastatic breast cancer and metastatic non-small cell lung cancer as a monotherapy and in combination with other agents.  


By Adam Hochron
 

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