Aprea Therapeutics Presents Updated Phase 1 Data on WEE1 Inhibitor APR-1051 at ASCO 2026, Demonstrating Early Monotherapy Activity and Manageable Tolerability in Advanced Solid Tumors

Presentation highlights early clinical activity from ACESOT-1051, including partial responses and stable disease in patients across multiple tumor types Manageable tolerability confirmed across cohorts Patient expansion into uterine serous carcinoma and platinum-resistant ovarian cancer underway; dose escalation and backfill expansion expected to complete Q2 2027 DOYLESTOWN, Pa., June 01, 2026 (GLOBE NEWSWIRE) -- Aprea Therapeutics, Inc. (Nasdaq: APRE) (“Aprea”, or the “Company”), a clinical-stage precision medicine oncology company focused on the discovery and development of targeted therapies for patients with biomarker-defined cancers, announces the presentation of a poster “Early results from the first-in-human phase 1 study of WEE1 inhibitor APR-1051 in patients with advanced solid tumors (ACESOT-1051)” on May 30 at the American Society of Clinical Oncology (ASCO) 2026 annual meeting, taking place in Chicago, Illinois.