IDEAYA Biosciences, Inc...announces that the U.S. Food and Drug Administration (FDA) has granted Fast Track designation to IDEAYA's development program investigating IDE161, a potent and selective inhibitor of poly (ADP-ribose) glycohydrolase (PARG), for the treatment of adult patients having advanced or metastatic ovarian cancer with germline or somatic BRCA 1/2 mutations who are platinum resistant and have received prior antiangiogenic and poly (ADP-ribose) polymerase (PARP) inhibitor therapies.