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Aptose's Tuspetinib Triple Drug Therapy Featured at the 2025 ASH Annual Meeting

Aptose Biosciences Inc. (APTO) | Dec. 06, 2025

By Kevin Allen

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Aptose presented clinical data for tuspetinib triple drug therapy at ASH Annual Meeting

High rate of clinical responses in newly diagnosed AML patients

Safety highlighted as a notable feature of the therapy

Safety and Efficacy

TUS+VEN+AZA triplet therapy demonstrates high rates of efficacy and MRD-negative remissions in newly diagnosed AML patients with diverse mutations.

Clinical Responses

100% response rate observed at the higher TUS dose levels, including FLT3 wildtype subjects and AML with adverse mutations.

MRD Negativity

78% of responding subjects achieved MRD negativity by central flow cytometry.

Therapy Tolerance

TUS+VEN+AZA triplet therapy well tolerated with no dose-limiting toxicities reported.

New Treatment Level

Promising early responses seen at the recently enrolled 160 mg TUS dose level.

  • TUS+VEN+AZA therapy shows promising safety and efficacy in AML patients
  • Targets diverse mutations and achieves high clinical response rates
  • Significant MRD negativity observed in responding subjects
  • Therapy well tolerated with no dose-limiting toxicities

Tuspetinib, as part of the triple drug therapy, addresses AML's unmet needs with high response rates and safety profile. Aptose's innovative approach aims to provide effective treatment to a broad range of AML patients.