Helix BioPharma Corp. to Conduct Interim Review of its LDOS002 Phase I/II Clinical Study

(Aurora, Ontario) – Helix BioPharma Corp. (TSX, FSE: “HBP”), a biopharmaceutical company developing drug candidates for the treatment of cancer, today announced that it has completed patient enrolment in the fourth cohort in its ongoing Phase I/II clinical safety, tolerability and preliminary efficacy study of L-DOS47 and will perform an interim review of data collected for all subjects enrolled to date. The interim review will focus on safety, tolerability and other clinical parameters of the Company’s lead clinical candidate, L-DOS47 for the treatment of non-small cell lung cancer. Presentation to the Trial Steering Committee is expected to occur in October of 2013, after the opening of enrollment into the 5th cohort.

“We are currently dosing patients in our fourth cohort”, said Rob Verhagen, Chief Executive Officer of Helix. “The L-DOS47 dose levels used on patients in the fourth cohort represent the first dose which we believe to be within the range of theoretical minimum effective dose. Based on animal studies, the human equivalent theoretical minimum effective dose was calculated at 0.40 to 1.55 micrograms/kg, and the fourth cohort began doses of 0.46 micrograms/kg. This interim data review will allow the Company to better understand the performance of our lead drug candidate L-DOS47 and in turn help us develop next steps in our clinical development path of this important candidate”.

About L-DOS47

L-DOS47 is Helix’s first immunoconjugate-based drug candidate in development based upon the Company’s novel DOS47 technology, which is designed to use an innovative approach to modify the microenvironmental conditions of cancer cells in a manner that leads to their destruction. L-DOS47 is currently being clinically evaluated as a treatment for certain patients with non-small cell lung cancer (“NSCLC”) in Helix’s ongoing Phase I/II clinical safety, tolerability and preliminary efficacy study of L-DOS47 in Poland.

The Phase I/II clinical study is an open-label study to evaluate the safety, tolerability and preliminary efficacy of ascending doses of L-DOS47, initially as a monotherapy, in patients with inoperable, locally advanced, recurrent or metastatic, non-squamous, stage IIIb/IV NSCLC.

About Helix BioPharma Corp.

Helix BioPharma Corp. is a biopharmaceutical company specializing in the field of cancer therapy. The company is actively developing innovative products for the prevention and treatment of cancer based on its proprietary technologies. Helix’s product development initiatives include its novel L-DOS47 new drug candidate and its Topical Interferon Alpha-2b. Helix is currently listed on the TSX and FSE under the symbol “HBP”.

Investor Relations:

Helix BioPharma Corp.

Tel: 905 841-2300

Email: mailto:ir@helixbiopharma.com

Forward-Looking Statements and Risks and Uncertainties

This news release contains certain forward-looking statements and information (collectively, “forward-looking statements”) within the meaning of applicable Canadian securities laws, including, without limitation, those relating to the potential benefits of Helix’s DOS47 platform in the treatment of cancer and the anticipated scope of and timing for the completion of Helix’s interim review of data collected in connection with Helix’s ongoing Phase I/II clinical study in Poland. Forward-looking statements, which may be identified by words including, without limitation, “will”, “intends”, “expected” and other similar expressions, are intended to provide information about management’s current plans and expectations regarding future operations.

Although Helix believes that the expectations reflected in such forward-looking statements are reasonable, such statements involve risks and uncertainties that may cause actual results or events to differ materially from those anticipated and no assurance can be given that these expectations will be realized, and undue reliance should not be placed on such statements. Risk factors that could cause actual results or events to differ materially from the forward-looking statements include, without limitation, (i) the inherent uncertainty involved in scientific research and drug development; (ii) the risks associated with delay or inability to complete clinical trials successfully; (iii) need to secure additional financing on terms satisfactory to Helix or at all; (iv) clinical trials that yield negative results, or results that do not justify future clinical development, including that the Polish Phase I/II clinical trial for L-DOS47 will yield negative results; and (v) those risks and uncertainties affecting the company as more fully described in Helix’s most recent Annual Information Form, including under the headings “Forward-Looking Statements” and “Risk Factors”, filed with the Canadian Securities Administrators at www.sedar.com (together, the “Helix Risk Factors”). Certain material factors or assumptions are applied in making the forward-looking statements, including, without limitation, that the Helix Risk Factors will not cause Helix’s actual results or events to differ materially from the forward-looking statements.

Forward-looking statements and information are based on the beliefs, assumptions and expectations of Helix’s management on the date of this news release, and Helix does not assume any obligation to update any forward-looking statement or information should those beliefs, assumptions or expectations, or other circumstances change, except as required by law.

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Jacek Antas

Chief Executive Officer


Jacek Antas is a shareholder of the Company, has spent more than 25 years in the financial services industry holding various positions in sales and consulting.

Mr. Antas obtained a master’s degree from the Warsaw School of Economics and has served as a board member of various
companies throughout his career.

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James B. Murphy

Chief Financial Officer


Mr. Murphy is a certified public accountant with over thirty years of experience in finance and operations management. He is currently a consultant with Danforth Advisors LLC (“Danforth”), a leading provider of outsourced strategic and operational specialists across functions in the life sciences industry. While at Danforth, Mr. Murphy has served over fifteen private and publicly held life sciences companies as CFO and CFO Advisor, helping them secure over USD 0.5 billion in financing and successfully execute pivotal asset transactions. Mr. Murphy functions as a consultant to Helix pursuant to a consulting agreement between the Company and Danforth.

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Thomas Mehrling

Medical Adviser


Thomas Mehrling (PhD in Pharmacology and MD) has over 20 years’ experience in multinational Pharma companies developing novel oncology compounds from preclinical research through to registration. Prior to entering the industry, he spent 13 years as an MD at the University Hospital in Frankfurt, working on preclinical and translational projects. He served as Director of European Oncology at Mundipharma International (2003–2013), building the company’s first European oncology business from the ground up out of Cambridge, UK, and completing the clinical development, registration and launch of two major products in Europe, DepoCyte® and Levact® (Ribomustin® and Treanda®). In 2013, he led the establishment of the Mundipharma Group’s start-up, Mundipharma EDO, developing anti-cancer therapeutics for solid tumours out of Basel, Switzerland.

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Christof Boehler

Chief Business Development Officer


Dr. Christof Boehler is a commercially oriented scientist with a proven track record in building and leading teams that successfully commercialize products and services in the life science industry. His core competencies are in technology transfer, business development and corporate governance with a focus on technology scouting, preclinical and clinical R&D, licensing, sales, capital raising and M&A.

Mr. Boehler is also a strategic advisor to Takeda.

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Kim Gaspar

Director Quality Assurance


Kim is the Director of Quality Assurance at Helix BioPharma Corp. An experienced quality assurance professional with expertise in Canadian, US, and EU regulations, she has been involved in all aspects of Phase I/II biopharmaceutical product development over the years, including regulatory submissions, QC laboratory compliance, tech transfer and third-party oversight of CMC activities, clinical QA, and bioanalytical data analysis. Kim joined Helix in 2000, transitioning into QA in 2003. She holds a B.Sc in Biochemistry and a Ph.D in Veterinary Physiological Sciences, both from the University of Saskatchewan.

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Brenda Lee

Director Clinical Operations


Brenda is the Clinical Operations Director at Helix Biopharma Corp. A clinical research operations professional with 25 years of experience managing clinical trials, ranging from early Phase I to late Phase IIIb/IV studies, she brings experience in clinical study protocol writing and development, trial start-up and vendor management, and a proven track record in planning and managing clinical trials to quality standards, timelines and budget. Brenda joined Helix Biopharma Corp. in 2018, working to advance the clinical program of L-DOS47. She holds B.Sc and M.Sc. degrees from the University of Toronto, specializing in Nutritional Sciences and Human Biology.

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Praveen Kumar

V.P. Drug Development


Praveen has experience working in the pharmaceutical industry for more than 25 years and has expertise in the development of drug products for small and macro-molecules using various dosage forms. He was involved in projects comprising the formulation development of generic drug products and their production and developed a novel transdermal drug product containing a protein-based drug (interferon alpha 2b) for the treatment of HPV infections.

Presently as a V.P. he manages the CMC-related activities (drug product formulation, technology transfer, quality, stability testing and interaction with regulatory agency) for the development of L-DOS47 drug product, an antibody drug conjugate, for the treatment of various cancers. He has a Ph.D. in Pharmaceutical sciences and he completed his post-doctoral fellowship in gene regulation. He was the author of multiple peer-reviewed published articles, a book chapter, and patents.

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Jerzy Leszczynski

Director


Jerzy Leszczynski is a shareholder of the Company, has spent more than 35 years developing businesses and has served in the capacity of board member of various real estate development companies. Mr. Leszczynski obtained his Master of Science in Chemistry from the Warsaw Institute of Technology.

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Janusz Grabski

Director, Chair of Audit Committee


Janusz (John) Grabski is a lawyer specialized in corporate and real estate law with over twenty years of experience.

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Malgorzata Laube

Director


Malgorzata Laube has over 19 years of experience in nuclear medicine. In her last role with Alberta Health Services, she was the Department Supervisor, Nuclear Medicine at Royal Alexandra Hospital. Ms. Laube obtained a MSc degree in Environmental Engineering from the Warsaw University of Technology and is based in Edmonton, Alberta, Canada.

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Jacek Antas

Chairman of the Board


Jacek Antas is a shareholder of the Company, has spent more than 25 years in the financial services industry holding various positions in sales and consulting.

Mr. Antas obtained a master’s degree from the Warsaw School of Economics and has served as a board member of various
companies throughout his career.

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