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Share Name | Share Symbol | Market | Type |
---|---|---|---|
Aptose Biosciences Inc | NASDAQ:APTO | NASDAQ | Common Stock |
Price Change | % Change | Share Price | Bid Price | Offer Price | High Price | Low Price | Open Price | Shares Traded | Last Trade | |
---|---|---|---|---|---|---|---|---|---|---|
-0.01 | -0.81% | 1.22 | 1.19 | 1.50 | 1.24 | 1.2143 | 1.22 | 18,190 | 05:00:05 |
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
_________________
FORM
_________________
CURRENT REPORT
Pursuant to Section 13 or 15(d)
of the Securities Exchange Act of 1934
Date of Report (Date of earliest event reported):
_______________________________
(Exact name of registrant as specified in its charter)
_______________________________
(State or Other Jurisdiction of Incorporation) | (Commission File Number) | (I.R.S. Employer Identification No.) |
Canada
(Address of Principal Executive Offices) (Zip Code)
(
(Registrant's telephone number, including area code)
(Former name or former address, if changed since last report)
_______________________________
Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:
Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) | |
Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) | |
Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) | |
Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) |
Securities registered pursuant to Section 12(b) of the Act:
Title of each class | Trading Symbol(s) | Name of each exchange on which registered |
Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).
Emerging growth company
If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐
On December 9, 2023, the Registrant issued a press release, a copy of which is attached hereto as Exhibit 99.1 and is incorporated herein by reference.
In accordance with General Instruction B.2 of Form 8-K, the information in the press release attached as Exhibit 99.1 hereto shall not be deemed to be “filed” for purposes of Section 18 of the Securities Exchange Act of 1934, as amended (the “Exchange Act”), nor shall such information be deemed incorporated by reference in any filing under the Securities Act of 1933, as amended, or the Exchange Act, except as shall be expressly set forth by specific reference in such filing.
99.1 | Press Release dated December 9, 2023 | |
104 | Cover Page Interactive Data File (embedded within the Inline XBRL document) |
SIGNATURE
Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
Aptose Biosciences Inc. | ||
Date: December 11, 2023 | By: | /s/ William G. Rice, Ph.D. |
William G. Rice, Ph.D. | ||
Chairman, President, and Chief Executive Officer | ||
EXHIBIT 99.1
Aptose Tuspetinib Clinical Data Featured in Oral Presentation at the 2023 ASH Annual Meeting
SAN DIEGO and TORONTO, Dec. 09, 2023 (GLOBE NEWSWIRE) -- Aptose Biosciences Inc. (“Aptose” or the “Company”) (NASDAQ: APTO, TSX: APS), a clinical-stage precision oncology company developing highly differentiated targeted agents to treat hematologic malignancies, today announced that a growing body of clinical data for Aptose’s lead compound tuspetinib (TUS), demonstrates significant benefit as a single agent and in combination with venetoclax (VEN) in patients with relapsed or refractory acute myeloid leukemia (R/R AML) in the ongoing APTIVATE Phase 1/2 study. Data were presented in an oral presentation today at the 65th American Society of Hematology (ASH) Annual Meeting and Exposition by lead investigator Naval G. Daver, M.D., Professor, Director Leukemia Research Alliance Program, Department of Leukemia, The University of Texas MD Anderson Cancer Center, Houston, TX.
Tuspetinib is a once-daily, oral, precision targeted kinase inhibitor that suppresses select kinases that drive the proliferation of AML. These key kinase targets include the SYK, FLT3, JAK1/2, mutant forms of KIT, RSK2, and the TAK1-TAB1 kinases operative in AML, while avoiding non-therapeutic kinase targets to promote safety.
Dr. Daver reported data from more than 100 relapsed/refractory patients from multiple international clinical sites, who had failed prior therapy and then were treated with tuspetinib (TUS) as a single agent or tuspetinib in combination with venetoclax (TUS/VEN). TUS and TUS/VEN delivered multiple composite complete remissions (CRcs) in this very ill AML population, while maintaining a favorable safety profile across all treated patients.
“Tuspetinib is clearly an active and surprisingly well tolerated agent in one of the most challenging and heterogeneous disease settings in oncology – relapsed and refractory AML,” said Dr. Daver. “Tuspetinib has demonstrated broad activity, including activity in patients with FLT3 wild-type AML (accounting for more than 70% of the AML population), FLT3 mutated AML, NPM1 mutated AML, as well as in patients with mutations historically associated with resistance to targeted therapy. Most notably, TUS targets VEN resistance mechanisms, enabling TUS/VEN uniquely to treat the very ill prior-VEN AML population, including both FLT3 mutant and FLT3 wildtype disease. From a broader perspective, the growing body of antileukemic activity, and continued favorable safety profile, support advancement of tuspetinib in a TUS/VEN/HMA triplet for the treatment of frontline newly diagnosed AML patients.”
Dr. Daver also pointed out that while patients on the TUS/VEN therapy are early in their treatment cycles, most achieving a response remained on treatment and that responses have begun to mature as dosing continues.
Highlights of Dr. Daver’s ASH oral presentation:
TUS as Single Agent
TUS/VEN Combination Therapy
“The wealth of data we have generated – and continue to generate – on tuspetinib points to a highly active, well-differentiated drug for AML populations that are in need of options beyond currently available therapies,” said Rafael Bejar, M.D., Ph.D., Chief Medical Officer at Aptose. “Brisk patient enrollment in our APTIVATE trial has led to a fast-growing database that includes many more patients at various stages of treatment. We look forward to reporting our next set of data in the first quarter of 2024.”
The slides from Dr. Daver’s presentation are available on Aptose’s website here.
About Aptose
Aptose Biosciences is a clinical-stage biotechnology company developing precision medicines addressing unmet medical needs in oncology, with an initial focus on hematology. The Company's small molecule cancer therapeutics pipeline includes products designed to provide single agent efficacy and to enhance the efficacy of other anti-cancer therapies and regimens without overlapping toxicities. The Company’s lead clinical-stage product, tuspetinib, is a once daily oral therapy being studied as monotherapy and in combination therapy in the APTIVATE international Phase 1/2 expansion trial in patients with relapsed or refractory acute myeloid leukemia (AML). For more information, please visit www.aptose.com.
Forward Looking Statements
This press release may contain forward-looking statements within the meaning of Canadian and U.S. securities laws, including, but not limited to, statements relating to the therapeutic potential of tuspetinib, its clinical development, safety profile and upcoming milestones planned for tuspetinib, as well as statements relating to the Company’s plans, objectives, expectations and intentions and other statements including words such as “continue”, “expect”, “intend”, “will”, “should”, “would”, “may”, and other similar expressions. Such statements reflect our current views with respect to future events and are subject to risks and uncertainties and are necessarily based upon a number of estimates and assumptions that, while considered reasonable by us are inherently subject to significant business, economic, competitive, political and social uncertainties and contingencies. Many factors could cause our actual results, performance or achievements to be materially different from any future results, performance or achievements described in this press release. Such factors could include, among others: our ability to obtain the capital required for research and operations and to continue as a going concern; the inherent risks in early stage drug development including demonstrating efficacy; development time/cost and the regulatory approval process; the progress of our clinical trials; our ability to find and enter into agreements with potential partners; our ability to attract and retain key personnel; changing market conditions; inability of new manufacturers to produce acceptable batches of GMP in sufficient quantities; unexpected manufacturing defects; and other risks detailed from time-to-time in our ongoing quarterly filings, annual information forms, annual reports and annual filings with Canadian securities regulators and the United States Securities and Exchange Commission.
Should one or more of these risks or uncertainties materialize, or should the assumptions set out in the section entitled "Risk Factors" in our filings with Canadian securities regulators and the United States Securities and Exchange Commission underlying those forward-looking statements prove incorrect, actual results may vary materially from those described herein. These forward-looking statements are made as of the date of this press release and we do not intend, and do not assume any obligation, to update these forward-looking statements, except as required by law. We cannot assure you that such statements will prove to be accurate as actual results and future events could differ materially from those anticipated in such statements. Investors are cautioned that forward-looking statements are not guarantees of future performance and accordingly investors are cautioned not to put undue reliance on forward-looking statements due to the inherent uncertainty therein.
For further information, please contact:
Aptose Biosciences Inc. Susan Pietropaolo Corporate Communications & Investor Relations 201-923-2049 spietropaolo@aptose.com | LifeSci Advisors, LLC Dan Ferry, Managing Director 617-430-7576 Daniel@LifeSciAdvisors.com | |
Cover |
Dec. 09, 2023 |
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Cover [Abstract] | |
Document Type | 8-K |
Amendment Flag | false |
Document Period End Date | Dec. 09, 2023 |
Entity File Number | 001-32001 |
Entity Registrant Name | Aptose Biosciences Inc. |
Entity Central Index Key | 0000882361 |
Entity Tax Identification Number | 98-1136802 |
Entity Incorporation, State or Country Code | Z4 |
Entity Address, Address Line One | 251 Consumers Road, Suite 1105 |
Entity Address, City or Town | Toronto |
Entity Address, State or Province | ON |
Entity Address, Postal Zip Code | M2J 4R3 |
City Area Code | 647 |
Local Phone Number | 479-9828 |
Written Communications | false |
Soliciting Material | false |
Pre-commencement Tender Offer | false |
Pre-commencement Issuer Tender Offer | false |
Title of 12(b) Security | Common Shares, no par value |
Trading Symbol | APTO |
Security Exchange Name | NASDAQ |
Entity Emerging Growth Company | false |
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