Zentalis Pharmaceuticals Reports First Quarter 2026 Financial Results and Clinical Progress

About this update from Zentalis Pharmaceuticals, Inc.

400mg QD 5:2 selected as azenosertib monotherapy pivotal study dose based on favorable benefit-risk profile in DENALI Part 2a, supporting advancement in registration-intended trialsDENALI Phase 2 trial topline readout expected by year-end 2026, with potential to support accelerated approval pathway, pending data outcomes and FDA feedbackASPENOVA Phase 3 confirmatory trial in Cyclin E1-positive PROC initiated with first patient dosed; designed to support conversion to PROC full approval and ex-US registrations$211.8 million in cash, cash equivalents and marketable securities as of March 31, 2026, providing runway into late 2027 with funding to support execution of key milestonesSAN DIEGO, May 12, 2026 (GLOBE NEWSWIRE) -- Zentalis® Pharmaceuticals, Inc. (Nasdaq: ZNTL), a clinical oncology innovator advancing late-stage development of investigational first-in-class WEE1 inhibitor azenosertib as a biomarker-driven treatment approach for ovarian cancer, today announced financial results for the first quarter ended March 31, 2026, and highlighted recent clinical progress. "This quarter, we built momentum with achievement of key milestones advancing azenosertib in our registration-intended Phase 2 and Phase 3 trials for patients with Cyclin E1-positive platinum-resistant ovarian cancer (PROC),” said Julie Eastland, Chief Executive Officer of Zentalis. "Our core focus is on bringing a convenient, oral, non-chemotherapy treatment option to approximately 50% of PROC patients who are Cyclin E1-positive and may experience poorer prognosis and limited benefit from standard-of-care therapies. Pivotal dose selection supports our regulatory strategy, positioning us to pursue accelerated approval through the DENALI Part 2 trial while simultaneously advancing ASPENOVA as our confirmatory trial—together charting a pathway to bring a potential first-in-class therapy to market for this underserved patient population. Following dose selection, we initiated pre-commercial launch preparedness activities to add commercial capabilities to the organization, scale manufacturing capacity and advance Cyclin E1 companion diagnostic market development. Beyond the lead indication, we see substantial opportunity for strategic expansion of azenosertib into platinum-sensitive or first-line maintenance settings of ovarian cancer, additional tumor types, and combination approaches." "With a c...

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