SAN DIEGO and TORONTO, Sept. 12, 2022 (GLOBE NEWSWIRE) -- Aptose Biosciences Inc. (“Aptose” or the “Company”) (NASDAQ: APTO, TSX: APS), a clinical-stage precision oncology company developing highly differentiated oral kinase inhibitors to treat hematologic malignancies, today announced the G3 formulation of luxeptinib, designed for rapid and efficient absorption, demonstrates approximately an 18-fold improvement in oral bioavailability relative to the original G1 formulation, and that Aptose plans to move forward with the development of the G3 formulation of luxeptinib to determine if it can achieve desired exposures and deliver clinical responses while continuing to demonstrate a favorable safety profile.