UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM
Amendment No. 1
CURRENT REPORT
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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. ☐
EXPLANATORY NOTE
Aptevo Therapeutics Inc. (“Aptevo” or the “Company”) is filing this Amendment No. 1 on Form 8-K/A (“Amendment”) to supplement our Form 8-K originally filed with the Securities and Exchange Commission (the “SEC”) on March 29, 2022. The Company is filing this Amendment to clarify that the monotherapy patient reported yesterday was the second patient in the on-going Phase 1b expansion trial who proceeded to transplant after receiving APVO436 and experiencing clinical benefit.
Item 8.01. Other Events.
Through the date of this filing, Aptevo has reported that two patients in its Phase 1b expansion trial achieved substantial blast count reduction and clinical benefit and were able to proceed to allogeneic stem cell transplant.
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The most recent patient to achieve clinical benefit and proceed to transplant was highlighted in the press release issued on March 29, 2022 and titled “Aptevo Therapeutics Announces Monotherapy Patient Received a Transplant in APVO436 Expansion Trial for the Treatment of Acute Myeloid Leukemia.” |
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This relapsed/refractory patient, with few treatment options remaining, received APVO436 as a monotherapy treatment and experienced substantial blast count reduction and clinical benefit, which allowed the patient to proceed to transplant. |
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This is notable because it provides evidence that the clinical benefit is attributable to APVO436, building on the body of data that was reported from the dose escalation part of the trial in 2021. |
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The previous patient who achieved clinical benefit and proceeded to transplant, referred to in the March 24, 2022 Aptevo earnings release titled “Aptevo Therapeutics Reports 2021 Financial Results and Provides Business Update,” participated in a combination treatment arm of the Phase 1b expansion trial. |
Item 9.01. Financial Statements and Exhibits.
(d) Exhibits
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Exhibit No. |
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Description |
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104 |
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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.
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APTEVO THERAPEUTICS INC. |
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Date: March 30, 2022 |
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/s/ Marvin L. White |
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Marvin L. White |
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President and Chief Executive Officer |
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