On May 10, 2017 Fate Therapeutics, Inc. (NASDAQ:FATE), a clinical-stage biopharmaceutical company dedicated to the development of programmed cellular immunotherapies for cancer and immune disorders, reported that the U.S. Food and Drug Administration (FDA) has authorized the Company’s investigational new drug (IND) application for FATE-NK100 in advanced solid tumors (Press release, Fate Therapeutics, MAY 9, 2017, View Source [SID1234518971]). The Company plans to promptly initiate the DIMENSION study, an open-label, multi-center, accelerated dose-escalation clinical trial of FATE-NK100 as a monotherapy and in combination with monoclonal antibody therapy in subjects who have failed approved therapies.

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"The FDA’s clearance of this IND is a significant milestone, ushering in the opportunity to develop a powerful new immunologic approach to solid tumors that bridges innate and adaptive immunity. Activated NK cells can intrinsically seek out and directly kill transformed cancer cells, including antibody-coated tumor cells, and can trigger a long-lived adaptive T-cell immune response through pro-inflammatory cytokine release," said Chris Storgard, M.D., Chief Medical Officer of Fate Therapeutics. "We are excited to begin this clinical investigation of FATE-NK100, which has demonstrated in preclinical studies the potential to selectively eliminate tumor cells while leaving normal healthy cells unharmed."

The Company plans to enroll subjects in the DIMENSION study across three FATE-NK100 treatment arms in an outpatient setting: as monotherapy for solid tumor malignancies, including small cell lung cancer and hepatocellular carcinoma; in combination with trastuzumab for advanced HER2+ cancers, including breast and gastric cancers; and in combination with cetuximab for advanced EGFR1+ cancers, including colorectal and head and neck cancers. Activation of a patient’s NK cells has been clinically proven to play a major role in the anti-tumor efficacy of many monoclonal antibodies, including trastuzumab and cetuximab.

In preclinical models, FATE-NK100 has been shown to significantly augment antibody-directed cellular cytotoxicity against cancer cells when administered in combination with a monoclonal antibody, including antibodies that target CD20, HER2 and EGFR antigens. Additionally, FATE-NK100 has displayed enhanced anti-tumor activity across a broad range of hematologic and solid tumors, improved persistence and increased resistance to immune checkpoint pathways in preclinical studies compared to NK cell therapies that are being clinically administered today.

The primary objective of the DIMENSION study is to evaluate the safety and determine the maximum tolerated dose of a single intravenous infusion of FATE-NK100. Other objectives include determination of objective response rate, time-to-tumor progression, progression-free survival and overall survival.

Each of the three arms of the DIMENSION study will enroll in parallel utilizing accelerated dose-escalation, with each arm expected to include an expansion cohort of up to an additional twenty subjects at the maximum tolerated dose level. In addition, observation of a RECIST partial response or greater will enable additional expansion of up to ten subjects in that tumor type.

About FATE-NK100

FATE-NK100 is a first-in-class natural killer (NK) cell cancer immunotherapy comprised of adaptive memory NK cells, a highly specialized and functionally distinct subset of activated NK cells expressing the memory-like activating receptor NKG2C and the maturation marker CD57. FATE-NK100 is produced through a feeder-free, seven-day manufacturing process during which NK cells sourced from a healthy donor are activated ex vivo with pharmacologic modulators. An investigator-initiated clinical trial of FATE-NK100 is currently being conducted at the Masonic Cancer Center, University of Minnesota for the treatment of refractory or relapsed acute myelogenous leukemia.