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CB-1158 Phase I Data Accepted for an Oral Presentation at the ASCO Annual Meeting

SOUTH SAN FRANCISCO, Calif., April 20, 2017 (GLOBE NEWSWIRE) -- Calithera Biosciences, Inc. (CALA), a clinical-stage pharmaceutical company focused on discovering and developing novel small molecule drugs directed against tumor metabolism and tumor immunology targets for the treatment of cancer, today announced that clinical data for its drug candidate CB-1158, an orally bioavailable arginase inhibitor, will be presented at the 53rd Annual Meeting of the American Society of Clinical Oncology (ASCO), which is being held from June 2 to June 6, 2017 in Chicago, Illinois. Clinical results to be presented include monotherapy data from Calithera’s Phase I trial in solid tumors. CB-1158 is being developed in collaboration with Incyte Corporation.

CX-1158-101: A first-in-human phase 1 study of CB-1158, a small molecule inhibitor of arginase, as monotherapy and in combination with an anti-PD-1 checkpoint inhibitor in patients with solid tumors.
Abstract #3005
Presenter: Kyriakos Papadopoulos MD, South Texas Accelerated Research Therapeutics
Date: June 5, 2017
Session: 1:15 p.m. – 4:15 p.m. CT, Developmental Therapeutics-Immunology, Hall D1

About Arginase
Arginase is an enzyme produced by immunosuppressive myeloid cells, including myeloid-derived suppressor cells (MDSCs) and neutrophils, which prevents T-cell and natural killer (NK) cell activation in tumors. Arginase exerts its immunosuppressive effect by depleting the amino acid arginine in the tumor...


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