IDEAYA Biosciences Announces First-Patient-In for Phase 1 Trial of IDE574, a Potential First-In Class Dual Inhibitor of KAT6/7 to Target Multiple Solid Tumor Indications, including Breast, Prostate, CRC, and Lung Cancer

SOUTH SAN FRANCISCO, Calif., April 6, 2026 /PRNewswire/ -- IDEAYA Biosciences, Inc. (NASDAQ: IDYA), a leading precision medicine oncology company, today announced that the first patient has been enrolled in its Phase 1 dose escalation trial evaluating IDE574, a potential first-in-class oral small molecule equipotent dual inhibitor of the lysine acetyltransferase (KAT) 6 and 7 paralogs, both of which have been shown to support cancer cell survival.  The company is planning to evaluate safety, efficacy and pharmacokinetics of IDE574 as a monotherapy in the Phase 1 dose escalation trial in solid tumor patients, including breast, prostate, colorectal, and lung cancer.