Defence Therapeutics to Finalize Its Objectives to Initiate a Phase I Trial Against Breast Cancer

Vancouver, British Columbia–(Newsfile Corp. – September 29, 2021) – Defence Therapeutics Inc. (CSE: DTC) (FSE: DTC) (OTC Pink: DTCFF) (“Defence” or the “Company“), a biotechnology Company working on cancer therapeutics and infectious diseases vaccines, is pleased to announce that it will be conducting a series of final studies to complete all requirement needed to initiate a Phase I trial for one of its leading AccuTOX candidate against breast cancer.

The Accum^TM technology platform was initially designed to enhance the accumulation of specific proteins, antibodies (ADCs) or antigen in target cells. Studies conducted by Defence revealed a strong therapeutic function for Accum^TM when delivered on its own. In other words, the delivery of free “naked” Accum^TM (AccuTOX-001) triggered cell death of a variety of cancer cells, including breast cancer, and was well tolerated by animals under the same treatment regiment.

“We are actively pursuing our AccuTOX program to initiate a Phase I trial against breast cancer in Q1-Q2 of 2022,” said Sebastien Plouffe, CEO of Defence Therapeutics. “We will re-enforce our data by showing how potent is AccuTOX-001 at killing of breast cancer in various animal models including the use of patient-derived xenografts (PDX). The secondary objectives would be to compare the potency of AccuTOX-001 as stand-alone or combination therapy with currently used immune-checkpoint inhibitors,” he added

The Defence team is currently working to demonstrate that AccuTOX-001 can trigger the death of pre-establish 4T1 breast cancer in immunocompetent mice alone or in combination with anti-PD1. In parallel, the potency of the leading drug will be demonstrated in previously characterized PDX models to ensure a good translation from mice to human studies. Once completed, this data along with the GLP study scheduled in Q4 of 2021 will be compiled and presented to the FDA to have clearance for a Phase I trial against breast cancer.

Defence continues extensive research and development programs with its Accum^TM technology platform including the AccuTOX program. Defence has developed a DC cancer vaccine targeting 4 different indications (AccuVAC-D), two ADCs in late-stage pre-clinical development (AccuADC) and various protein-based vaccines against infectious diseases such as COVID and HPV (AccuVAC-PTs and AccuVAC-INs).

In line with the Company’s strategy for preparing a Nasdaq listing submission in the beginning of second quarter of 2022, Defence Therapeutics has retained Lifewater Media to introduce Defence and its products to the US investment community. The contract with Lifewater Media begins for a 30-day period, starting at $150,000 USD. Lifewater Media are well known professionals in the media industry with more than 40 years of combined experience. Lifewater Media is a pioneer in US marketing strategy and digital marketing.

About Defence:

Defence Therapeutics is a publicly-traded biotechnology company working on engineering the next generation vaccines and ADC products using its proprietary platform. The core of Defence Therapeutics platform is the ACCUM^TM technology, which enables precision delivery of vaccine antigens or ADCs in their intact form to target cells by inducing their entrapment escape. As a result, increased efficacy and potency can be reached against catastrophic illness such as cancer and infectious diseases.

For further information:
Sebastien Plouffe, President, CEO and Director
P: (514) 947-2272
Splouffe@defencetherapeutics.com
www.defencetherapeutics.com

Cautionary Statement Regarding “Forward-Looking” Information

This release includes certain statements that may be deemed “forward-looking statements”. All statements in this release, other than statements of historical facts, that address events or developments that the Company expects to occur, are forward-looking statements. Forward-looking statements are statements that are not historical facts and are generally, but not always, identified by the words “expects”, “plans”, “anticipates”, “believes”, “intends”, “estimates”, “projects”, “potential” and similar expressions, or that events or conditions “will”, “would”, “may”, “could” or “should” occur. Although the Company believes the expectations expressed in such forward-looking statements are based on reasonable assumptions, such statements are not guarantees of future performance and actual results may differ materially from those in the forward-looking statements. Factors that could cause the actual results to differ materially from those in forward-looking statements include regulatory actions, market prices, and continued availability of capital and financing, and general economic, market or business conditions. Investors are cautioned that any such statements are not guarantees of future performance and actual results or developments may differ materially from those projected in the forward-looking statements. Forward-looking statements are based on the beliefs, estimates and opinions of the Company’s management on the date the statements are made. Except as required by applicable securities laws, the Company undertakes no obligation to update these forward-looking statements in the event that management’s beliefs, estimates or opinions, or other factors, should change.

Neither the CSE nor its market regulator, as that term is defined in the policies of the CSE, accepts responsibility for the adequacy or accuracy of this release.

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