Astellas Pharma announced that XOSPATA (gilteritinib) is now available for prescription in the United States for the treatment of adult patients who have relapsed or refractory (resistant to treatment) Acute Myeloid Leukemia (AML) with a FLT3 mutation as detected by an FDA-approved test. An oral monotherapy, XOSPATA is the first and only FLT3-targeting agent approved by the FDA for the treatment of relapsed or refractory FLT3 mutation-positive (FLT3mut+) AML.

XOSPATA was approved by the U.S. Food and Drug Administration (FDA) on November 28, 2018.

"Astellas aims to pursue cutting-edge science that provides value to patients," said Mark Reisenauer, senior vice president, oncology business unit, Astellas. "XOSPATA is an excellent example of how we are continuing to advance on this promise to patients."

Astellas reflected the impact from this launch in its financial forecasts of the current fiscal year ending March 31, 2019.

Acute Myeloid Leukemia (AML) is a cancer that impacts the blood and bone marrow, and its incidence increases with age. The American Cancer Society estimates that in 2018, approximately 19,000 people will be diagnosed with AML in the U.S.

XOSPATA is indicated for the treatment of adult patients who have relapsed or refractory Acute Myeloid Leukemia (AML) with a FMS-like tyrosine kinase 3 (FLT3) mutation as detected by an FDA-approved test.1 XOSPATA is also approved by the Japan Ministry of Health, Labor and Welfare (MHLW) for relapsed or refractory AML with FLT3 mutations. It is launched as XOSPATA 40 mg Tablets in Japan.

Gilteritinib was discovered through a research collaboration with Kotobuki Pharmaceutical Co., Ltd., and Astellas has exclusive global rights to develop, manufacture and commercialize gilteritinib.

Astellas is currently investigating gilteritinib in various FLT3 mutation-positive AML patient populations through several Phase 3 trials. Visit AstellasAMLTrials.com to learn more about ongoing gilteritinib clinical trials.

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