 SOUTH SAN FRANCISCO, Calif., April 28, 2021 GLOBE NEWSWIRE -- Calithera Biosciences, Inc. Nasdaq: CALA, a clinical-stage biotechnology company focused on discovering and developing novel small-molecule drugs for the treatment of cancer and other life-threatening diseases, today announced that final results from the CANTATA clinical study will be shared in an oral presentation at the American Society of Clinical Oncology ASCO 2021 Annual Meeting taking place virtually June 4-8, 2021. 