MacroGenics Announces Publication of Flotetuzumab Interim Phase 1/2 Clinical Trial Results in Blood - Seite 2

Nachrichtenquelle: globenewswire
22.09.2020, 22:30  |  126   |   |   

“The response to flotetuzumab in primary induction failure and early relapsed AML is consistent with our previously published data1 that an IFN-γ-related inflammatory gene expression signature in the AML bone marrow correlated with lack of response to induction chemotherapy but was associated with a greater likelihood to respond to flotetuzumab,” said Sergio Rutella, M.D., Ph.D., FRCPath, John van Geest Cancer Research Centre, College of Science and Technology, Nottingham Trent University, Nottingham, United Kingdom, and a co-author on the current paper. “AML is a highly heterogeneous disease. Our translational studies provided a strong mechanistic basis for studying flotetuzumab in these AML patients, who currently have few treatment options.”

“The results recently published in Blood support our decision to conduct a pivotal study of flotetuzumab in the specific subset of AML patients who have previously experienced either a primary induction failure or an early relapse when treated with standard-of-care chemotherapy regimens. These individuals represent approximately 40-50% of all AML patients,” said Scott Koenig, M.D., Ph.D., President and CEO of MacroGenics. “Moreover, the translational research provides a strong mechanistic basis for studying flotetuzumab in these AML patients, who currently have few treatment options. Our single arm clinical trial is ongoing as an expansion of the Phase 1/2 study, for which we plan to enroll a total of up to 200 patients. We plan to present interim results later this year.”

1 “Immune Landscapes Predict Chemotherapy Resistance and Immunotherapy Response in Acute Myeloid Leukemia,” Science Translational Medicine, 2020.

About Acute Myeloid Leukemia

AML is a hematological malignancy characterized by differentiation arrest and uncontrolled clonal proliferation of neoplastic precursors that prevent normal bone marrow hematopoiesis. Nearly 20,000 new cases of AML are diagnosed in the U.S. each year, with a median age of 69 years at diagnosis. Approximately 40-50% of newly diagnosed patients fail to achieve a complete remission with intensive induction therapy (primary induction failure) or experience disease recurrence after a short remission duration (<6 months; early relapsed). A very small number of these patients are expected to respond to salvage therapy. Although new targeted agents have been approved for the treatment of frontline or relapsed/refractory AML in recent years, approximately 50% of patients have no known targetable mutations. The discovery by the Rutella lab of an immunological gene signature in the AML tumor microenvironment forms the basis for a potential predictive biomarker for further clinical validation.

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MacroGenics Announces Publication of Flotetuzumab Interim Phase 1/2 Clinical Trial Results in Blood - Seite 2 ROCKVILLE, MD, Sept. 22, 2020 (GLOBE NEWSWIRE) -   MacroGenics, Inc. (NASDAQ: MGNX), a clinical-stage biopharmaceutical company focused on discovering and developing innovative monoclonal antibody-based therapeutics for the treatment of cancer, …

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