Aptose Biosciences Inc - Company Profile
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Business Description
Aptose Biosciences Inc (Aptose), a subsidiary of Hanmi Pharmaceuticals Co Ltd, develops medicines that address unmet clinical needs in oncology, particularly focusing on hematology. The company is engaged in creating a pipeline of novel and targeted oncology therapies aimed at serving specific populations of cancer patients, minimizing overlapping toxicities. Aptose's pipeline includes investigational products designed to provide single-agent efficacy and enhance the efficacy of conventional anti-cancer therapies without overlapping toxicities, thereby preserving the quality of life for cancer patients.
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R&D Overview
Aptose's R&D arm focuses on the research and development of its lead clinical-stage compound, tuspetinib (TUS), an oral kinase inhibitor. This compound has shown activity as a monotherapy and in combination therapy for patients with relapsed or refractory acute myeloid leukemia (AML) and is being developed as a frontline triplet therapy for newly diagnosed AML. The company is conducting a clinical trial named TUSCANY to evaluate the safety, tolerability, pharmacokinetics, and pharmacodynamics of tuspetinib in patients with relapsed or refractory AML, myelodysplastic syndromes with increased blasts grade 2 (MDS-IB2), or chronic myelomonocytic leukemia (CMML). Aptose owns rights to 59 issued patents, including 4 issued US patents and 23 patents validated in European countries, covering the tuspetinib compound or analog compounds. The company is also involved in a major technology alliance through the Tuspetinib Licensing Agreement, which grants exclusive worldwide rights to research, develop, and commercialize tuspetinib. In FY2025, the company invested US$11.3 million in its R&D activities.
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