USFDA, EMA grant priority review to Pfizer's NDA for breast cancer drug

Gobal drug giant Pfizer  recently announced today that the U.S. Food and Drug Administration has accepted for filing and granted Priority Review designation to the company’s New Drug Application for talazoparib.
Talazoparib is an investigational anti-cancer medicine called a PARP (poly ADP ribose polymerase) inhibitor. Preclinical studies suggest that talazoparib is highly potent and has a dual mechanism of action, with the potential to induce tumor cell death by blocking PARP enzyme activity and trapping PARP on the sites of DNA damage. Talazoparib is currently being evaluated in advanced gBRCAm breast cancer and early triple negative breast cancer as well as DNA damage repair (DDR)-deficient prostate cancer and in combination with immunotherapy in various solid tumor types. Talazoparib has not been approved by any regulatory authorities for the treatment of any disease.
The submission is based on results from the EMBRACA trial, which evaluated talazoparib versus chemotherapy in patients with germline (inherited) BRCA-mutated (gBRCAm), HER2-negative locally advanced or metastatic breast cancer (MBC). Talazoparib is an investigational, once-daily, oral poly ADP ribose polymerase (PARP) inhibitor. The European Medicines Agency has also accepted the Marketing Authorization Application for talazoparib in this patient population.
“Women with a hereditary BRCA mutation are typically diagnosed with breast cancer at a younger age than the overall breast cancer population and have limited treatment options when they develop advanced disease,” said Mace Rothenberg, M.D., chief development officer, Oncology, Pfizer Global Product Development. “Today’s filing acceptances are just the latest example of the success of Pfizer’s precision medicine approach to drug development, in this case targeting the faulty DNA damage repair process associated with BRCA mutations. We are now one step closer to offering a potential alternative to chemotherapy for these patients.”
The pivotal, randomized EMBRACA trial evaluated once-daily talazoparib compared to physician’s choice chemotherapy (capecitibine, eribulin, gemcitabine or vinorelbine) in 431 patients with an inherited BRCA1/2 mutation and locally advanced or metastatic triple negative (TNBC) or hormone receptor-positive (HR+)/HER2- breast cancer.

Source:https://www.biospectrumasia.com/news/25/11054/usfda-ema-grant-priority-review-to-pfizers-nda-for-breast-cancer-drug.html

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