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TPIV > SEC Filings for TPIV > Form 10-Q/A on 19-Aug-2013All Recent SEC Filings

Show all filings for TAPIMMUNE INC



Quarterly Report

Item 2. Management's Discussion and Analysis of Financial Condition and
Results of Operations

This quarterly report on Form 10-Q contains forward-looking statements within the meaning of Section 21E of the Securities and Exchange Act of 1934, as amended, that involve risks and uncertainties. All statements other than statements relating to historical matters including statements to the effect that we "believe", "expect", "anticipate", "plan", "target", "intend" and similar expressions should be considered forward-looking statements. Our actual results could differ materially from those discussed in the forward-looking statements as a result of a number of important factors, including factors discussed in this section and elsewhere in this quarterly report on Form 10-Q, and the risks discussed in our other filings with the Securities and Exchange Commission. Readers are cautioned not to place undue reliance on these forward-looking statements, which reflect management's analysis, judgment, belief or expectation only as the date hereof. We assume no obligation to update these forward-looking statements to reflect events or circumstance that arise after the date hereof.

As used in this quarterly report: (i) the terms "we", "us", "our", "TapImmune" and the "Company" mean TapImmune Inc. and its wholly owned subsidiary, GeneMax Pharmaceuticals Inc. which wholly owns GeneMax Pharmaceuticals Canada Inc., unless the context otherwise requires; (ii) "SEC" refers to the Securities and Exchange Commission; (iii) "Securities Act" refers to the Securities Act of 1933, as amended; (iv) "Exchange Act" refers to the Securities Exchange Act of 1934, as amended; and (v) all dollar amounts refer to United States dollars unless otherwise indicated.

The following should be read in conjunction with our unaudited consolidated interim financial statements and related notes for the three Months Ended March 31, 2013 included in this quarterly report, as well as our Annual Report on Form 10-K for the year ended December 31, 2012.


Taplmmune Inc. is a vaccine technologies company specializing in the development of innovative gene based immunotherapeutics and vaccines in the areas of oncology and infectious disease. The Company's lead product candidates, include vaccines designed to restore and augment antigen presentation and subsequent recognition and killing of cancer cells by the immune system. The Company recently began treating patients in its first Phase 1 immunotherapy clinical trial targeting HER2/neu in breast cancer at the Mayo clinic (see This trial uses patented antigen technologies developed at the Mayo clinic and will follow patients for safety and immune responses as the primary endpoints. During the first year of this trial there will be a safety review interim analysis. TapImmune has the exclusive Option to license this technology. The Company is also developing TAP-based prophylactic vaccines commercially suitable for the prevention of infectious diseases and as Biodefense agents. We have applied for a grant in collaboration with the Mayo Clinic for the biodefense applications of this technology in and expect to file additional grants to support preclinical work on "boost" strategies for HER2/neu breast cancer. As a vaccine component, the gene based TAP technology has the potential to significantly improve the efficacy of both prophylactic and immunotherapeutic vaccines as it addresses a fundamental mechanism for T cell recognition and response. Unlike other vaccine technologies that address only the initiation of immune responses, TAP expression also has the unique ability to enhance the effector function of mature killer T cells. This enhancement of effector function is potentially complementary to any/all vaccine approaches that are designed to enhance cellular responses.

The current standard therapies for cancer treatment include surgery, radiation therapy and chemotherapy. However, we believe that these treatments are not precise in targeting only cancerous cells and often fail to remove or destroy all of the cancer. The remaining cancer cells may then grow into new tumors, which can be resistant to further chemotherapy or radiation, which may result in death. In the United States, deaths from cancer are second only to cardiovascular deaths. Our breast cancer immunotherapeutic vaccine candidate is being developed for use in this setting as an adjuvant treatment to prevent recurrent disease.

Management strongly believes that the comprehensive scientific underpinnings of our overall approach, to elicit the production of both T-helper cells and T-killer cells, will provide the Company with highly competitive product candidates for the treatment of HER2/neu positive breast cancer with additional applications in ovarian and colorectal cancer.

In May, we entered into a Material Transfer Agreement with the Fred Hutchinson Cancer Research Center ("FHCRC"), Seattle, WA. The initial aim of this collaboration is to determine levels of TAP1/TAP2 in tissues taken from melanoma patients in a clinical trial at FHCRC using adoptive T-cell therapy and to correlate these levels with clinical outcomes.

Regarding our programs for the development of vaccines aimed at viral pandemics/biodefense, we believe that collaborations with the Mayo Clinic have progressed well and studies on the immunogenicity of novel smallpox antigens in mice treated with both antigens and TAP expression vectors are ongoing. We plan to complete animal efficacy and human safety studies through non-dilutive grant funding in collaboration with Dr. Greg Poland and colleagues at the Mayo Clinic and anticipate that further development will be completed through strategic corporate partnerships. The use of non-dilutive grant funding to progress this area allows the Company to focus the majority of its internal resources on HER2/neu breast cancer.

The facilities at 1551 Eastlake Avenue, Seattle have exceeded our expectations and allowed us to continue to recruit top-class scientific staff while at the same time effectively leverage world class resources made available to us and manage our cash flow. We have added technical staff in the areas of molecular biology and immunology. Our small core team (7 scientists) has allowed us to establish in-house technical expertise in molecular biology (expression vector development) and immunology to underpin our current and future development projects and to optimally work with external collaborators. It has also allowed us to make significant progress in the refinement and focus of clinical programs to take advantage of new antigens, the emerging field of vaccinomics and vaccine development strategies. In addition, it has allowed us to start generating new intellectual property (IP) to add to our core TAP IP and the antigen IP from the Mayo Clinic that we have either licensed or have exclusive options to license.

Over the past few months we have, in a challenging financing climate, raised sufficient working capital to fund and progress our operations. We believe that we continue to make good progress with the resources available to us. With the start of clinical programs and our focus on securing non-dilutive financing from a number of sources, management is confident that our current pathway will secure longer term capital to finance and accelerate our activities. The strength of our science and development approaches is becoming more widely appreciated, particularly as our clinical program generates data and as we embrace additional collaborations with leading institutions and corporations.

While the pathway to successful product development takes time and significant resources, we believe that we have put in place the technical and corporate fundamentals for success. The strength of our product pipeline gives us a unique opportunity to make a major contribution to global health care.

The Immunotherapy Industry for Cancer

Management believes that there is a critical need for more effective cancer therapies. Management further believes that the global market for effective cancer treatments is large and that immunotherapies representing potential treatments for metastatic cancer are an unmet need in the area of oncology.

The human immune system appears to have the potential to clear cancers from the body, based on clinical observations that some tumors spontaneously regress when the immune system is activated. Most cancers are not very "immunogenic", however, meaning that the cancers are not able to induce an immune response because they no longer express sufficient levels of key proteins on their cell surface, known as Major Histocompatability Class I or MHC Class I proteins. These proteins provide the information to the immune system that defines whether the cell is healthy or, in the case of cancer or viral infection, abnormal. If the MHC Class I proteins signal that the cells are abnormal, then the immune system's T-cells are activated to attack and kill the infected or malignant cell.

In many solid cancer tumors, the TAP protein system does not function and, therefore, the immune system is not stimulated to attack the cancer. Management believes that although a number of cancer therapies have been developed that stimulate the immune system, these approaches have often proven ineffective because the cancers remain invisible to the immune system due to this apparent lack of or low expression of the TAP protein.

By restoring TAP expression to TAP-deficient cells, the MHC Class I protein peptide complexes could signal the immune system to attack the cancer. The strategic vision of TapImmune is to be a product-driven biotechnology company, focusing primarily on use of its patented TAP technology to restore the TAP function within cancerous cells, thus making them immunogenic, or more "visible" to cancer fighting immune cells. Management believes that this cancer vaccine strategy will provide the most viable therapeutic approach that addresses this problem of "non-immunogenicity" of cancer. Management believes that this therapy may have a strong competitive advantage over other cancer therapies, since restoring the TAP protein will direct the immune system to specifically target the cancerous cells without damaging healthy tissue.

As a key part of its overall strategy, and with adequate funding, the Company is pursuing the development of prophylactic vaccines against infectious microbes and will also do so in partnership with other vaccine developers. The Company intends to develop the TAP technology for use as a vaccine that restores normal immune recognition for the treatment of cancer and supplements immune recognition for the development of prophylactic vaccines.

TapImmune's Target Market Strategy

With the required funding in place, we plan to focus our resources on the progression of products in our lead oncology indication, HER2/neu positive breast cancer. We will support and expand on our key infectious disease partnerships, including our collaboration efforts with the Mayo Clinic and others using grants. We have applied for a grant in collaboration with the Mayo Clinic to progress our smallpox program and extend it to additional emerging viral threats.. Cancer encompasses a large number of diseases that affect many different parts of the human body. The diversity of cancer types and their overall prevalence create a large need for new and improved treatments. Management believes that there is a significant market opportunity for a cancer treatment that utilizes the highly specific defense mechanisms of the immune system to attack cancers. Vaccines continue to be the success story for pharmaceutical companies, with the world market for preventative vaccines totaling $22.1 billion in 2009, up from $19 billion in 2008, according to healthcare market research publisher Kalorama Information. Kalorama's new report, Vaccines 2010. World Market Analysis, Key Players, and Critical Trends in a Fast-Changing Industry, notes that the worldwide vaccine market is predicted to increase at a compound annual rate of 9.7% during the next five years, as new product introductions continue and the use of current products expands further
( Our targeting of the HER2/neu antigen provides commercial opportunities in breast, ovarian and colorectal cancer.

In the USA, the second leading cause of death by illness is cancer. The current estimates for cancer treatments such as chemotherapy represent approximately a US$7 billion market. The National Cancer Institute expects cancer to be the leading cause of death in the USA within 5 years. Cancer vaccines will become a major player in the vaccine market. According to the report Cancer Vaccines Markets, (http://www.pharmaceutical-market cancer vaccines have the potential to become a significant force in future cancer treatments. The approval of two immunotherapy products, Dendreon's Provenge® in 2010 for advanced prostate cancer, and Bristol Myers Squibb's Yervoy® in 2011 together with several late-stage clinical programs has generated renewed interest and support for this type of cancer immune therapy.

This relatively new commercial market for cancer vaccines is poised to dramatically increase to over $7 billion by 2015.

Management also believes that our prophylactic vaccine adjuvant will be a catalyst in the development of new vaccines and will serve to enhance the efficacy of current vaccines in the treatment of infectious disease. It will be a key business development strategy to pursue additional partnerships and joint research and development ventures with vaccine manufacturers and pharmaceutical companies to bring new and improved vaccines to market. This strategy includes the development of vaccines for pandemic diseases and for bioterrorism threats. The global market for vaccines is dominated by five companies-Merck, GlaxoSmithKline, Sanofi Pasteur (the vaccines division of Sanofi SA [SNY-NYSE]), Pfizer Inc. (PFE-NYSE), and Novartis-with Pfizer, GlaxoSmithKline, Sanofi, and Novartis collectively accounting for approximately 74% of the market (Source:
Transparency Market Research's Global Vaccine Market Analysis and Forecast 2011-2016). This market is estimated at roughly $30 billion worldwide, with the U.S. contributing approximately $20 billion. Importantly, there still exist significant development opportunities in the global vaccine market, as there are more than 300 infectious diseases yet effective prophylactic therapies for only approximately 15% of these (Source: The Life Sciences Report's "Vaccine Therapies Hold Promise for Investors: Stephen Dunn," April 12, 2012). Management believes that our TAP Platform technology will increase the potency of many of the currently available vaccines and lead to the creation of better, more effective new vaccines, thereby allowing us to participate in this large market through novel new products and in combination with existing vaccines.

Research and Development Efforts

We direct our research and development efforts towards the development of immunotherapeutic and prophylactic vaccine products for the treatment of cancer and protection against pathogenic microbes respectively, using our proprietary TAP technology. We have focused our efforts initially on the development of a therapeutic vaccine for applications in cancer treatment while demonstrating the breadth of the TAP technology for the development of prophylactic vaccines and its ability to complement currently approved and emerging products in both cancer therapeutics and prophylactic vaccines against microbes. This approach allows us to pursue our own internal product development while positioning us to enter into multiple partnerships and licensing agreements. We will also rely on our new collaboration agreements with Mayo clinic to demonstrate the use of TAP in new vaccine candidates. In parallel with our viral vector approach we plan to develop non-viral vectors for the delivery of plasmid DNA.

Products and Technology in Development

TAP Cancer Vaccine

Based on earlier research at UBC Biomedical Research Centre in Vancouver BC, our overall objective is to successfully develop the patented TAP gene vector technology to restore the TAP protein, with the objective being to develop the TAP technology as a therapeutic cancer vaccine that will restore the normal immune recognition of cancer cells. A TAP Cancer Vaccine will be targeted at those cancers that are deficient in the TAP protein, which include breast cancer, prostate cancer, lung cancer, liver cancer, melanoma, renal cancer and colorectal cancer. TAP gene vectors will be used clinically in concert with proprietary antigen technologies in a "Prime and Boost" strategy. In our HER2/neu breast cancer program, which has started at the Mayo Clinic, proprietary HER2/neu antigens licensed from the Mayo Clinic will be used as the "Prime" and a TAP gene vector also containing antigens will be used as the "Boost".

As part of a vaccine approach a TAP gene vector will deliver the genetic information required for the production of the TAP protein in the target cancer cell. This will trigger the cancer cell's ability to effectively identify itself to the body's immune system by transporting the cancer antigen peptides to the cell surface using the individual's specific MHC Class I proteins. As a result, we believe that the immune response could be targeted to the entire repertoire of cancer antigen peptides produced by the cancer cell, rather than just to a single cancer antigen, as delivered by current cancer vaccines. A TAP Cancer Vaccine could allow the immune response to respond to the cancer even if the TAP protein and genetic information were only delivered to a small portion of the cancer cells. In addition, a TAP Cancer Vaccine would generate an immune response to any TAP-deficient cancer, regardless of the patient's individual genetic variability either in the MHC Class I proteins or in the cancer-specific proteins and resultant peptides.

In general, a "cancer vaccine" is a therapy whose goal is to stimulate the immune system to attack tumors. Management believes that most current cancer vaccines contain either cancer-specific proteins that directly activate the immune system or contain genetic information, such as DNA, that encodes these cancer-specific proteins. Management believes that there are a number of key conditions that must be met before a cancer vaccine can be effective in generating a therapeutic immune response: (i) the cancer antigen peptide delivered by the vaccine has to be recognized by the immune system as "abnormal" or "foreign" in order to generate a strong and specific T-cell response; (ii) the same cancer antigen peptide has to be displayed on the surface of the cancer cells in association with the MHC Class I proteins; and (iii) these cancer antigen peptides then have to be sufficiently different from normal proteins in order to generate a strong anti-tumor response.

If these conditions are all met, then management believes that such cancer vaccines should generate a sufficiently strong immune response to kill the cancer cells. However, the identification of suitable cancer-specific antigen proteins to use in these therapeutic vaccines has proven extremely complex. In addition, the MHC Class I proteins are highly variable, with over 100 different types in humans and, as a result, any one-cancer antigen peptide will not produce an immune response for all individuals. Cancers are "genetically unstable" and their proteins are highly variable, so that the selected cancer antigen protein may result in the immune system only attacking a small subset of the cancerous cells.

Laboratory Testing of the TAP Cancer Vaccine

Management believes that key milestones of efficacy in animal models of cancer have been achieved and that scientific research from other laboratories has validated the efficacy data. The proof of principle for the TAP technology as a cancer vaccine has been established in research conducted at UBC in metastatic models that have multiple defects in the "antigen presentation pathway" resulting in poor detection of cancer cells by the immune system. These studies demonstrating that introduction of the TAP gene can restore an immune response have been published in a number of peer-reviewed leading scientific journals (links to publications can be found at We plan to conduct additional pre-clinical work on novel expression vectors that can express both TAP proteins and peptide antigens.

Pre-Clinical Testing

Once the formal pre-clinical testing is completed, we intend to compile and summarize the data and submit it to the United States Federal Drug Administration (or "FDA") and/or the Canadian Health Canada (or "HC"), and/or other national regulatory agencies, in the form of an investigational new drug application. We anticipate that these applications would include data on vaccine production, animal studies and toxicology studies, as well as proposed protocols for the Phase I human clinical trials, described below.

Phase I Human Clinical Trials- HER2/neu Vaccine Technology - Mayo Clinic

On June 1, 2010, we signed an exclusive licensing option agreement with the Mayo Clinic, Rochester MN for clinical development of a new HER2/neu breast cancer vaccine technology. An IND for Phase I human clinical trials on the HER2/neu cancer vaccine in collaboration with the Mayo Clinic was allowed by the FDA in July, 2011 and the Mayo IRB approved the trial on May 4 2012. Patient dosing has started, and interim safety analysis on the first five patients is complete and was successful. The trial is ongoing and we expect to be able to release interim data in the next few months.

The primary endpoint for this trial will be vaccine safety. Secondary endpoints will be immune responses including generation of antigen-specific T-cells and time to disease progression in breast cancer patients. As this trial progresses, we plan to add the Class I peptide, licensed from the Mayo Clinic to the four Class II peptides as an extension of the Phase I clinical trial. In parallel, we will complete the manufacturing and toxicity of vector delivered Tap1/2 for subsequent Phase I human clinical trials and for use in combination in later stage clinical trials with the HER2/neu antigens as part of a "Prime and Boost" strategy. On April 16, 2012 we announced the licensing of a novel HER2/neu Class I antigen from the Mayo Clinic and are currently evaluating the clinical pathway to include this in our current "Prime and Boost" strategy. Management believes that the combination of Class I and Class II HER2/neu antigens plus TAP gives us the leading HER2/neu vaccine platform.

Clinical trials to support new drug applications are typically conducted in three sequential phases, although the phases may overlap. During Phase I there is an initial introduction of the therapeutic candidate into healthy human subjects or patients. The drug is tested to assess metabolism, pharmacokinetics and pharmacological actions and safety, including side effects associated with increasing doses. For immunotherapeutics/vaccine, Phase I studies are conducted in cancer patients and include the measurement of cellular immune responses. Phase II usually involves studies in a limited patient population to assess the clinical activity of the drug in specific targeted indications, assess dosage tolerance and optimal dosage and continue to identify possible adverse effects and safety risks. If the therapeutic candidate is found to be potentially effective and to have an acceptable safety profile in Phase II evaluations, Phase III trials are undertaken to further demonstrate clinical efficacy and to further test for safety within an expanded patient population at geographically dispersed clinical trial sites.

Infectious Disease Application for "TAP" Adjuvant

TapImmune plans to develop or license out our technology for the creation of enhanced viral vaccines, such as for smallpox and others, based on our findings that TAP can augment immune responses. We have presented data showing that increasing TAP expression in TAP-competent antigen presenting cells (APCs) and/or virus infected cells increases the antigenic peptide associated with MHC class I expression on the cell surface, and leads to increased specific T cell-mediated immune responses. We believe this technology can add great value to the creation of new vaccines and enhance those that already exist. We believe our collaborations with the Mayo Clinic is evidence of this and we will continue to pursue additional partnerships and collaborations as a key strategy to expand our research and development (R&D) program to optimize resources and to reduce costs and development times. In our collaboration with the Mayo Clinic, efficacy studies in small animals on a novel smallpox vaccine that includes TAP, were initiated in 2011 and are progressing on schedule. The subsequent regulatory pathway for this product is to use the FDA's "Animal Efficacy Rule" for completion of efficacy studies in primates followed by Phase I clinical studies on vaccine safety.

The cost of funding our current Phase I clinical program in HER2/neu breast cancer at the Mayo Clinic is approximately $850,000 and is mostly paid off as this report. We anticipate that on-going preclinical studies and Phase I studies on our TAP expression vectors will cost approximately $5million. We intend to progress our infectious disease programs with non-dilutive grant funding as well. In collaboration with the Vaccine Group at the Mayo Clinic we will continue development of our smallpox vaccine and to expand the use of our TAP platform to emerging pathogens that could be either pandemic or bioterrorist threats.

Strategic Relationships

Mayo Foundation for Medical Education and Research

On May 26, 2010 we signed a Technology Option Agreement with the Mayo Foundation for Medical Education and Research, Rochester, MN, for the evaluation of HER2/neu peptide epitopes as antigens for a breast cancer vaccine. The agreement grants TapImmune an exclusive worldwide option to become the exclusive licensee of the technology after completion of Phase I clinical trials.

Following approval of the IND by the FDA in July, 2011, TapImmune and the Mayo Foundation executed a Sponsored Research Agreement for the clinical trial.

On May 4, 2012, Mayo IRB approval was confirmed and patient dosing is expected to start in June 2012.

On July 24, 2010, we signed a Research and Technology License Option Agreement with the Mayo Foundation for Medical Education and Research, Rochester, MN, to evaluate novel smallpox peptide antigens. The Agreement grants TapImmune an exclusive worldwide option to become the exclusive licensee of the smallpox vaccine technology after research studies have been completed under the terms of the agreement.

On April 16, 2012, we announced an Exclusive Agreement with the Mayo Foundation for Education & Research, Rochester, MN, to License a proprietary MHC Class I HER2/neu antigen technology. This antigen was discovered in the laboratory of Dr. Keith Knutson at the Mayo Clinic. In contrast to Class I antigens in clinical testing this novel antigen is naturally produced in the intracellular proteasome and presented to T-cells as the MHC Class I peptide complex. Scientific details of this new work was presented by Andrea Henle of Dr. Knutson's lab at the Annual Meeting of The American Association of Immunologists held in Boston, MA, May 2012 and by Mark Reddish, Head of Development at TapImmune at the Third Annual Cancer Vaccines and Active Immunity Summit, . . .

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