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USFDA extends review period for Daiichi Sankyo acute myeloid leukemia drug Quizartinib
Quizartinib is an oral, highly potent type II FLT3 inhibitor that selectively targets FLT3-ITD mutations and has been specifically developed for patients with FLT3-ITD positive AML.
Tokyo: Daiichi Sankyo has announced that the U.S. Food and Drug Administration (FDA) has extended the review period for the New Drug Application (NDA) of quizartinib in combination with standard cytarabine and anthracycline induction and standard cytarabine consolidation chemotherapy, and as continuation monotherapy following consolidation, for the treatment of adult patients with newly diagnosed acute myeloid leukemia (AML) that is FLT3-ITD positive.
The FDA has extended the Prescription Drug User Fee Act (PDUFA) action date by three months to July 24, 2023 to allow additional time to review requested updates to the proposed Risk Evaluation and Mitigation Strategies (REMS) included in this application. No additional efficacy or safety data has been requested.
Quizartinib is an oral, highly potent type II FLT3 inhibitor that selectively targets FLT3-ITD mutations and has been specifically developed for patients with FLT3-ITD positive AML.
“We are continuing to work with the FDA to facilitate completion of their review of the quizartinib new drug application in order to bring this important medicine to patients as soon as possible,” said Mark Rutstein, MD, Global Head, Oncology Clinical Development, Daiichi Sankyo. “Quizartinib was shown to improve overall survival when added to standard chemotherapy and continued as monotherapy and has potential to change the standard of care for patients with newly diagnosed FLT3-ITD positive AML.”
The NDA is based on results from the QuANTUM-First trial, which demonstrated that quizartinib combined with standard cytarabine and anthracycline induction and standard cytarabine consolidation chemotherapy, and continued as monotherapy following consolidation, resulted in a statistically significant and clinically meaningful improvement in overall survival in adult patients with newly diagnosed FLT3- ITD positive AML compared to chemotherapy alone. The results of QuANTUM-First were presented at the 2022 European Hematology Association (EHA) Congress. The safety of quizartinib combined with intensive chemotherapy and as continuation monotherapy in QuANTUM-First was generally manageable with no new safety signals observed. The incidence of grade ≥3 QT prolongation events was low, with uncommon ventricular arrythmia events. Overall, the risk of QT prolongation was manageable with ECG monitoring, quizartinib dose modification and correction/ elimination of additional risk factors.
Read also: Daiichi Sankyo submits application for marketing approval of mRNA COVID vaccine DS-5670 in Japan
Ruchika Sharma joined Medical Dialogue as an Correspondent for the Business Section in 2019. She covers all the updates in the Pharmaceutical field, Policy, Insurance, Business Healthcare, Medical News, Health News, Pharma News, Healthcare and Investment. She has completed her B.Com from Delhi University and then pursued postgraduation in M.Com. She can be contacted at editorial@medicaldialogues.in Contact no. 011-43720751