Company profile for Aptose Biosciences

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About

Aptose Biosciences is a science-driven biotechnology company advancing first-in-class agents to treat life-threatening cancers, such as acute myeloid leukemia (AML), high-risk myelodysplastic syndromes (MDS) and other hematologic malignancies. Based on insights into the genetic and epigenetic profiles of certain cancers and patient populations, Aptose is building a pipeline of novel oncology therapies directed at dysregulated ...
Aptose Biosciences is a science-driven biotechnology company advancing first-in-class agents to treat life-threatening cancers, such as acute myeloid leukemia (AML), high-risk myelodysplastic syndromes (MDS) and other hematologic malignancies. Based on insights into the genetic and epigenetic profiles of certain cancers and patient populations, Aptose is building a pipeline of novel oncology therapies directed at dysregulated processes and signaling pathways. Aptose is developing targeted medicines for precision treatment of these diseases, based on a patient’s specific gene expression signature.

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CONTACT DETAILS

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Country
Country
Canada
Address
Address
5955 Airport Road Suite 228 Mississauga, ON L4V 1R9
Telephone
Telephone
Linkedin
Linkedin
youtube
YouTube
Twitter
Twitter

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Events

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BioAsia

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NEWS #PharmaBuzz

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https://www.globenewswire.com/news-release/2025/12/19/3208767/35575/en/Aptose-Biosciences-Announces-Rescheduling-of-Special-Meeting-of-Shareholders-to-Approve-the-Acquisition-by-Hanmi-Pending-Final-Clearance-from-SEC.html

GLOBENEWSWIRE
19 Dec 2025

https://www.globenewswire.com/news-release/2025/12/06/3201046/35575/en/Aptose-s-Tuspetinib-Triple-Drug-Therapy-Featured-at-the-2025-ASH-Annual-Meeting-High-Rate-of-Frontline-Clinical-Responses-Continues-Across-AML-Populations.html

GLOBENEWSWIRE
06 Dec 2025

https://www.globenewswire.com/news-release/2025/11/19/3190597/35575/en/Aptose-Biosciences-Announces-Arrangement-Agreement-for-Acquisition-by-Hanmi-Pharmaceutical.html

GLOBENEWSWIRE
19 Nov 2025
Aptose Reports Third Quarter 2025 Results
Aptose Reports Third Quarter 2025 Results

13 Nov 2025

// GLOBENEWSWIRE

https://www.globenewswire.com/news-release/2025/11/13/3187912/35575/en/Aptose-Reports-Third-Quarter-2025-Results.html

GLOBENEWSWIRE
13 Nov 2025

https://www.globenewswire.com/news-release/2025/11/03/3179367/35575/en/Aptose-Tuspetinib-Clinical-Data-from-Ongoing-TUSCANY-Trial-in-Newly-Diagnosed-AML-Selected-for-Presentation-at-the-2025-ASH-Annual-Meeting.html

GLOBENEWSWIRE
03 Nov 2025

https://www.globenewswire.com/news-release/2025/10/16/3167802/35575/en/Aptose-s-Tuspetinib-Exceeds-Expectations-When-Combined-with-Standard-of-Care-Treatment-Across-Diverse-Populations-of-Newly-Diagnosed-AML.html

GLOBENEWSWIRE
16 Oct 2025

Drugs in Development

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Details:

Under the acquisition of Tuspetinib, the deal aims to advance treatment for acute myeloid leukemia by targeting FLT3/JAK1/JAK2.


Lead Product(s): Tuspetinib,Venetoclax,Azacitidine

Therapeutic Area: Oncology Brand Name: HM43239

Study Phase: Phase I/ Phase IIProduct Type: Miscellaneous

Sponsor: Hanmi Pharmaceutical

Deal Size: Undisclosed Upfront Cash: Undisclosed

Deal Type: Acquisition November 19, 2025

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01

BioAsia
Not Confirmed
BioAsia
Not Confirmed

Details : Under the acquisition of Tuspetinib, the deal aims to advance treatment for acute myeloid leukemia by targeting FLT3/JAK1/JAK2.

Product Name : HM43239

Product Type : Miscellaneous

Upfront Cash : Undisclosed

November 19, 2025

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Details:

Tuspetinib is a convenient once daily oral agent that potently targets SYK, mutated and wild type forms of FLT3, mutated KIT, JAK1/2, and RSK2 kinases.


Lead Product(s): Tuspetinib,Azacitidine,Venetoclax

Therapeutic Area: Oncology Brand Name: HM43239

Study Phase: Phase I/ Phase IIProduct Type: Miscellaneous

Sponsor: Hanmi Pharmaceutical

Deal Size: Undisclosed Upfront Cash: Undisclosed

Deal Type: Financing September 22, 2025

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02

BioAsia
Not Confirmed
BioAsia
Not Confirmed

Details : Tuspetinib is a convenient once daily oral agent that potently targets SYK, mutated and wild type forms of FLT3, mutated KIT, JAK1/2, and RSK2 kinases.

Product Name : HM43239

Product Type : Miscellaneous

Upfront Cash : Undisclosed

September 22, 2025

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Details:

HM43239 (tuspetinib) is an oral myeloid kinome inhibitor, is being investigated in combination with venetoclax and azacitidine as a frontline therapy for patients newly diagnosed with AML.


Lead Product(s): Tuspetinib,Azacitidine,Venetoclax

Therapeutic Area: Oncology Brand Name: Undisclosed

Study Phase: Phase I/ Phase IIProduct Type: Miscellaneous

Sponsor: Undisclosed

Deal Size: Inapplicable Upfront Cash: Inapplicable

Deal Type: Inapplicable May 05, 2025

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03

BioAsia
Not Confirmed
BioAsia
Not Confirmed

Details : HM43239 (tuspetinib) is an oral myeloid kinome inhibitor, is being investigated in combination with venetoclax and azacitidine as a frontline therapy for patients newly diagnosed with AML.

Product Name : Undisclosed

Product Type : Miscellaneous

Upfront Cash : Inapplicable

May 05, 2025

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Details:

HM43239 (tuspetinib) is an oral myeloid kinome inhibitor, is being investigated in combination with venetoclax and azacitidine as a frontline therapy for patients newly diagnosed with AML.


Lead Product(s): Tuspetinib,Azacitidine,Venetoclax

Therapeutic Area: Oncology Brand Name: Undisclosed

Study Phase: Phase I/ Phase IIProduct Type: Miscellaneous

Sponsor: Undisclosed

Deal Size: Inapplicable Upfront Cash: Inapplicable

Deal Type: Inapplicable February 20, 2025

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04

BioAsia
Not Confirmed
BioAsia
Not Confirmed

Details : HM43239 (tuspetinib) is an oral myeloid kinome inhibitor, is being investigated in combination with venetoclax and azacitidine as a frontline therapy for patients newly diagnosed with AML.

Product Name : Undisclosed

Product Type : Miscellaneous

Upfront Cash : Inapplicable

February 20, 2025

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Details:

HM43239 (tuspetinib), an oral Myeloid Kinome Inhibitor, is being investigated in combination with venetoclax and azacitidine as a frontline therapy for patients newly diagnosed with AML.


Lead Product(s): Tuspetinib,Azacitidine,Venetoclax

Therapeutic Area: Oncology Brand Name: Undisclosed

Study Phase: Phase I/ Phase IIProduct Type: Miscellaneous

Sponsor: Undisclosed

Deal Size: Inapplicable Upfront Cash: Inapplicable

Deal Type: Inapplicable February 12, 2025

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05

BioAsia
Not Confirmed
BioAsia
Not Confirmed

Details : HM43239 (tuspetinib), an oral Myeloid Kinome Inhibitor, is being investigated in combination with venetoclax and azacitidine as a frontline therapy for patients newly diagnosed with AML.

Product Name : Undisclosed

Product Type : Miscellaneous

Upfront Cash : Inapplicable

February 12, 2025

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Details:

HM43239 (tuspetinib), an oral Myeloid Kinome Inhibitor, is being investigated in combination with venetoclax and azacitidine as a frontline therapy for patients newly diagnosed with AML.


Lead Product(s): Tuspetinib,Azacitidine,Venetoclax

Therapeutic Area: Oncology Brand Name: Undisclosed

Study Phase: Phase I/ Phase IIProduct Type: Miscellaneous

Sponsor: Undisclosed

Deal Size: Inapplicable Upfront Cash: Inapplicable

Deal Type: Inapplicable January 09, 2025

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06

BioAsia
Not Confirmed
BioAsia
Not Confirmed

Details : HM43239 (tuspetinib), an oral Myeloid Kinome Inhibitor, is being investigated in combination with venetoclax and azacitidine as a frontline therapy for patients newly diagnosed with AML.

Product Name : Undisclosed

Product Type : Miscellaneous

Upfront Cash : Inapplicable

January 09, 2025

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Details:

Under the agreement, the NCI and Aptose will collaborate on the clinical development of HM43239 (tuspetinib), an inhibitor of key signaling kinases involved in r/r acute myeloid leukemia.


Lead Product(s): Tuspetinib,Venetoclax

Therapeutic Area: Oncology Brand Name: Undisclosed

Study Phase: Phase I/ Phase IIProduct Type: Miscellaneous

Sponsor: The Division of Cancer Treatment and Diagnosis

Deal Size: Undisclosed Upfront Cash: Undisclosed

Deal Type: Agreement December 03, 2024

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07

BioAsia
Not Confirmed
BioAsia
Not Confirmed

Details : Under the agreement, the NCI and Aptose will collaborate on the clinical development of HM43239 (tuspetinib), an inhibitor of key signaling kinases involved in r/r acute myeloid leukemia.

Product Name : Undisclosed

Product Type : Miscellaneous

Upfront Cash : Undisclosed

December 03, 2024

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Details:

HM43239 (tuspetinib), a highly differentiated oral kinase inhibitor beng developed in combination therapy with azacitidine (AZA) and venetoclax for acute myeloid leukemia (AML).


Lead Product(s): Tuspetinib,Azacitidine,Venetoclax

Therapeutic Area: Oncology Brand Name: Undisclosed

Study Phase: Phase I/ Phase IIProduct Type: Miscellaneous

Sponsor: Undisclosed

Deal Size: Inapplicable Upfront Cash: Inapplicable

Deal Type: Inapplicable November 20, 2024

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08

BioAsia
Not Confirmed
BioAsia
Not Confirmed

Details : HM43239 (tuspetinib), a highly differentiated oral kinase inhibitor beng developed in combination therapy with azacitidine (AZA) and venetoclax for acute myeloid leukemia (AML).

Product Name : Undisclosed

Product Type : Miscellaneous

Upfront Cash : Inapplicable

November 20, 2024

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Details:

Aptose will use the proceeds from such loan for the development of HM43239 (tuspetinib), a highly differentiated oral kinase inhibitor for the treatment of patients with acute myeloid leukemia (AML).


Lead Product(s): Tuspetinib,Azacitidine,Venetoclax

Therapeutic Area: Oncology Brand Name: Undisclosed

Study Phase: Phase I/ Phase IIProduct Type: Miscellaneous

Sponsor: Hanmi Pharmaceutical

Deal Size: Undisclosed Upfront Cash: Undisclosed

Deal Type: Financing August 30, 2024

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09

BioAsia
Not Confirmed
BioAsia
Not Confirmed

Details : Aptose will use the proceeds from such loan for the development of HM43239 (tuspetinib), a highly differentiated oral kinase inhibitor for the treatment of patients with acute myeloid leukemia (AML).

Product Name : Undisclosed

Product Type : Miscellaneous

Upfront Cash : Undisclosed

August 30, 2024

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Details:

The net proceeds will be used for the manufacturing and clinical trials of potent inhibitor known as HM43239 (tuspetinib) for patients with relapsed or refractory acute myeloid leukemia (AML).


Lead Product(s): Tuspetinib,Venetoclax

Therapeutic Area: Oncology Brand Name: Undisclosed

Study Phase: Phase I/ Phase IIProduct Type: Miscellaneous

Sponsor: Hanmi Pharmaceutical

Deal Size: $13.7 million Upfront Cash: Undisclosed

Deal Type: Public Offering January 31, 2024

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10

BioAsia
Not Confirmed
BioAsia
Not Confirmed

Details : The net proceeds will be used for the manufacturing and clinical trials of potent inhibitor known as HM43239 (tuspetinib) for patients with relapsed or refractory acute myeloid leukemia (AML).

Product Name : Undisclosed

Product Type : Miscellaneous

Upfront Cash : Undisclosed

January 31, 2024

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