Kazia Therapeutics Reports Early Efficacy Data from First Triple-Negative Breast Cancer Patient Receiving Paxalisib Combination Regimen achieving >50% Reduction in Circulating Tumor Cells in Phase 1b Trial

SYDNEY, July 9, 2025 /PRNewswire/ -- Kazia Therapeutics (NASDAQ: KZIA) is pleased to announce preliminary results from the first patient in its Phase 1b trial evaluating a combination regimen of Paxalisib, pembrolizumab (Keytruda®), and standard chemotherapy after completing Cycle 1 (21 days) of dosing. The patient, a 61-year-old woman with metastatic triple-negative breast cancer localized to the left upper lobe of the lung, has shown highly encouraging preliminary results at 21 days, with a >50% reduction in circulating tumor cells (CTCs) and a notable decrease in CTC clusters.

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