On February 6, 2019 Advaxis, Inc. (NASDAQ:ADXS), (the Company) a late-stage biotechnology company focused on the discovery, development and commercialization of immunotherapy products, reported the presentation of the progression of its Lm platform from discovery to clinical application, and the unique opportunity the platform affords Advaxis in its pursuit of innovative new cancer therapeutics (Press release, Advaxis, FEB 6, 2019, View Source [SID1234533096]).

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The presentation is being made today by Robert G. Petit, Ph.D., the Company’s Chief Scientific Officer and Executive Vice President and Andres A. Gutierrez, M.D., Ph.D., the Company’s Chief Medical Officer and Executive Vice President, during a plenary session at the Immuno-Oncology 360° Conference at the Crowne Plaza Times Square in New York City. The session begins at 4:00 p.m. ET and the Company’s presentation begins at 4:55 p.m. ET.

Drs. Petit and Gutierrez will provide an overview of the Company’s proprietary Lm platform, including the following features that have been observed:

Ability to generate CD8+ T cells rapidly and against large percentage of peptides/neoantigens targets;
Excellent priming without adding adjuvant, systemic pro-inflammatory immune "macroenvironment";
Antigen spreading demonstrated in clinical trials including our neoantigen-directed drug constructs;
No neutralizing antibodies allowing for repeat boosting;
Efficacy signals include single agent complete responses in late stage cancer and improved survival; and
Manageable safety profile – nearly 500 patients treated to date, mostly grade 1 or grade 2 treatment related adverse events.
Drs. Petit and Gutierrez will also present an overview of the Company’s neoantigen-directed therapy programs, ADXS-NEO (customized, personalized neoantigens) and ADXS-HOT (off-the-shelf, hotspot or shared neoantigens and other antigens). The presentation will be available on the Company’s website, www.advaxis.com.

"We are looking forward to presenting an overview of our proprietary Lm platform which, over the last several years, has accumulated a large amount of data supporting immune response, clinical activity and safety in the treatment of multiple cancers. Leveraging the knowledge gained from our single-antigen targeting constructs, we have further optimized our Lm vector in the development of our multiple-antigen targeting constructs. Our discussion today will provide insight into immunological activity that we’ve observed in our ADXS-NEO clinical trial," said Dr. Petit. He concluded, "These preliminary data suggest our approach may be among the best-in-class for CD8+ T cell response which we believe is important for successful clinical outcomes."

"We have a broad pipeline of drug candidates being evaluated for multiple cancer types at various stages of development. We anticipate our first drug construct from our ADXS-HOT program, ADXS-503 for non-small cell lung cancer, to enter the clinic later this quarter." said Dr. Gutierrez. He added, "We believe that our neoantigen-directed drug candidates will likely be used in combination with checkpoint inhibitors and have the potential to significantly impact the cancer treatment paradigm." He concluded, "The preliminary clinical data from our ADXS-NEO Phase 1 study demonstrate broad and rapid anti-tumor immunity. We are looking forward to providing clinical data read-outs from several studies throughout 2019."

ADXS-NEO, the Company’s personalized neoantigen program, is in an ongoing Phase 1 dose-escalation study to treat a variety of cancers. ADXS-HOT is the Company’s off-the-shelf program and consists of several different drug constructs that target hotspot or shared neoantigens, and other antigens. We expect the first drug construct from this program, ADXS-503, or HOT-Lung, will enter the clinic this quarter.

On February 6, 2019 Cofactor Genomics, pioneers in the field of Predictive Immune Modeling, reported a $100,000 grant program to reward innovations with the Cofactor ImmunoPrismTM Assay (Press release, Cofactor Genomics, FEB 6, 2019, View Source [SID1234533097]). The program was unveiled at the 2019 Immuno-Oncology 360° Conference in New York.

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In December 2018, Cofactor made available the use of its proprietary database of Health Expression Models (HEMs). The Health Expression Models leveraged in the ImmunoPrism Assay enable quantification of immune cells and subtypes in solid tumor tissue, shown to be important in predicting response to immunotherapies. Built using machine-learning, these models have been demonstrated to provide measurable improvements to sensitivity and specificity over single-gene approaches currently used by the field. Access to Cofactor’s database of Health Expression Models has empowered translational and clinical scientists, along with drug development companies to utilize multidimensional biomarkers in their cancer research and clinical trials. Early adopters of Cofactor’s Predictive Immune Modeling technologies include the Fred Hutchinson Cancer Research Center, National Cancer Institute, and Genocea Biosciences.

"We are sitting on the 10 year anniversary of RNA-seq with shelves stuffed full of samples and data, created by cell profiling and analysis, yet we still can’t answer the fundamental question of predicting which immunotherapy will work with a specific patient or certain type of cancer," said Jarret Glasscock, Cofactor CEO and founder. "The new Predictive Immune Modeling Grant is designed to inspire the science, research, and clinical communities to take a different approach to producing highly predictive multidimensional biomarkers to ultimately solve this massive problem."

Cofactor Genomics will be showcasing its Predictive Immune Modeling technology during the Immuno-Oncology 360 conference with a talk in the "Transactional Science & Emerging Biomarkers" track and the panel on "Next Generation Biomarker and Companion Diagnostics for Predicting Response."

Applications for the Grant Program will be accepted through April 15, 2019 and more details may be found here: View Source

On February 6, 2019 Blue Earth Diagnostics, a molecular imaging diagnostics company, reported the upcoming presentation of additional analyses from the LOCATE clinical trial (NCT02680041) (Press release, Blue Earth Diagnostics, FEB 6, 2019, View Source [SID1234533098]). The LOCATE trial is a prospective, U.S., multicenter, open-label study investigating the impact of 18F fluciclovine PET/CT imaging on patient management of biochemically recurrent prostate cancer after initial prostate cancer treatment and negative or equivocal findings on standard-of-care imaging. The presentation will be made at the ASCO (Free ASCO Whitepaper) 2019 Genitourinary Cancers Symposium (ASCO GU), from February 14-16, 2019 in San Francisco, Ca. Details of the presentation to be given by Blue Earth Diagnostics collaborators is listed below.

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Date: Thursday, February 14, 2019
Presentation: Identification of bone involvement in patients with prostate cancer recurrence using 18F-fluciclovine PET/CT and impact on subsequent management
Abstract Number: 248

Presenter: Michael S Kipper, MD, Genesis Healthcare, on behalf of the LOCATE study group
Session Title & Times: Poster Session A: Prostate Cancer
11:30 AM-1:00 PM and 5:30 PM-6:30 PM PT
Location: Moscone West Building, San Francisco, Ca.

Blue Earth Diagnostics invites participants at the ASCO (Free ASCO Whitepaper) Genitourinary (GU) Cancers Symposium 2019 to attend the above presentation and to learn more about the company at Exhibit 36.

U.S. Indication and Important Safety Information About Axumin

INDICATION

Axumin (fluciclovine F 18) injection is indicated for positron emission tomography (PET) imaging in men with suspected prostate cancer recurrence based on elevated blood prostate specific antigen (PSA) levels following prior treatment.

IMPORTANT SAFETY INFORMATION

Image interpretation errors can occur with Axumin PET imaging. A negative image does not rule out recurrent prostate cancer and a positive image does not confirm its presence. The performance of Axumin seems to be affected by PSA levels. Axumin uptake may occur with other cancers and benign prostatic hypertrophy in primary prostate cancer. Clinical correlation, which may include histopathological evaluation, is recommended.
Hypersensitivity reactions, including anaphylaxis, may occur in patients who receive Axumin. Emergency resuscitation equipment and personnel should be immediately available.
Axumin use contributes to a patient’s overall long-term cumulative radiation exposure, which is associated with an increased risk of cancer. Safe handling practices should be used to minimize radiation exposure to the patient and health care providers.
Adverse reactions were reported in ≤ 1% of subjects during clinical studies with Axumin. The most common adverse reactions were injection site pain, injection site erythema and dysgeusia.
To report suspected adverse reactions to Axumin, call 1-855-AXUMIN1 (1-855-298-6461) or contact FDA at 1-800-FDA-1088 or www.fda.gov/medwatch.

Full Axumin prescribing information is available at www.axumin.com.

About Axumin (fluciclovine F 18)

Axumin (fluciclovine F 18) injection is a novel product indicated for use in positron emission tomography (PET) imaging to identify suspected sites of prostate cancer recurrence in men. Recurrence of prostate cancer is suspected by an increase in prostate specific antigen (PSA) levels following prior treatment. PET imaging with Axumin may identify the location and extent of such recurrence. Axumin was developed to enable visualization of the increased amino acid transport that occurs in many cancers, including prostate cancer. It consists of a synthetic amino acid that is preferentially taken up by prostate cancer cells compared with surrounding normal tissues, and is labeled with the radioisotope F 18 for PET imaging. Fluciclovine F 18 was invented at Emory University in Atlanta, Ga., with much of the fundamental clinical development work carried out by physicians at Emory University’s Department of Radiology and Imaging Sciences. Axumin was approved by the U.S. Food and Drug Administration in May 2016, following Priority Review, and is the first product commercialized by Blue Earth Diagnostics, which licensed the product from GE Healthcare. The molecule is being investigated by Blue Earth Diagnostics for other potential cancer indications, such as glioma.

On February 6, 2019 Corvus Pharmaceuticals, Inc. (Nasdaq: CRVS), a clinical-stage biopharmaceutical company focused on the development and commercialization of precisely targeted oncology therapies, reported the presentation of updated biomarker and clinical results from its two lead programs that target the adenosine pathway, CPI-444, an adenosine A2A receptor antagonist, and CPI-006, an anti-CD73 antibody (Press release, Corvus Pharmaceuticals, FEB 6, 2019, View Source [SID1234533117]). The data were presented by Stephen Willingham, Ph.D., Senior Scientist at Corvus, at the Immuno-Oncology 360° Conference in New York during the "Discovery & Preclinical Science Plenary" session, which focused on tumor microenvironment changing technologies, pegylated cytokines and additional discovery and preclinical data.

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Key CPI-444 Biomarker Results
Dr. Willingham’s presentation, titled "Blockade of the Adenosine Pathway: Preclinical, Translational and Clinical Studies with CPI-444, an A2A Receptor Antagonist for Cancer Treatment," reviewed gene expression data of an adenosine gene signature recently announced by Corvus (or AdenoSig), in patients with renal cell carcinoma (RCC) who are participating in Corvus’ ongoing Phase 1/1b study of CPI-444, a selective and potent inhibitor of the adenosine A2A receptor. In particular, the data from the study showed a relationship of this novel biomarker to angiogenesis gene expression data (or angiogenesis signature). Such findings indicate that expression of AdenoSig was inversely related to the angiogenesis signature, which has been well studied by others and correlates with response to vascular endothelial growth factor receptor (VEGFR) inhibitors such as Sutent (sunitib malate) and other tyrosine kinase inhibitors. Low expression of angiogenesis genes predicts a lack of response to VEGFR inhibition. These data suggest that patients with a high AdenoSig are potentially more likely to respond to treatment with CPI-444 and less likely to respond to VEGFR inhibitors.

"Based on these translational data, we expect that we may be able to use the AdenoSig as a predictive biomarker to identify patients for adenosine pathway inhibition and select patients for future trials of CPI-444," said Dr. Willingham. "The gene expression data also may enable us to select the optimum patients for combination therapy with CPI-006, our anti-CD73 antibody, which has demonstrated unique immunologic activity in early clinical trials."

Key CPI-006 Clinical Results
Dr. Willingham also presented updated clinical results from the ongoing Phase 1/1b dose-escalation study of CPI-006 in patients with a variety of advanced cancers, including non-small cell lung cancer (NSCLC), RCC and other cancers who have failed standard therapies. The first arm of the study is evaluating CPI-006 as a monotherapy, a second arm is evaluating CPI-006 in combination with CPI-444, and a third arm is planned to evaluate CPI-006 in combination with pembrolizumab, an anti-PD-1 antibody. In particular, the updated results demonstrated that:

CPI-006 given as a monotherapy activated B cells and led to a redistribution of these cells along with changes in other immune cells (e.g., changes in T helper to T suppressor ratios). These data are consistent with immune stimulation induced by CPI-006.
CPI-006 reacted with an epitope on CD73 that led to blockade of adenosine production and expression of lymphocyte activation antigens that are independent of adenosine.
"We continue to advance our two lead therapeutic programs that target the adenosine-cancer pathway. We believe we are well positioned for a potential pivotal trial of CPI-444 in renal cell carcinoma and other tumors based on the biomarker signature we discovered, and CPI-006 is beginning to show early signs of immunologic activity that may be important in cancer therapy," said Richard A. Miller, M.D., an oncologist and co-founder, president and chief executive officer of Corvus. "Regarding our third pipeline program, we anticipate starting a Phase 1/1b trial of CPI-818, an ITK inhibitor for T-cell lymphoma, during the first quarter of 2019."

About CD73 and Adenosine
CD73 is a cell surface enzyme whose function is to convert adenosine monophosphate (AMP) to adenosine by removing phosphate from AMP. CD73 is expressed on cells of the immune system, including T-cells and B-cells. CD73 is also present on many tumors, including lung, renal, melanoma, colon, prostate, breast and others. In the tumor microenvironment, CD73 produces adenosine, which binds to the adenosine A2A receptor on immune cells and inhibits various immune responses including those directed against the tumor. Tumors utilize this immunosuppressive mechanism to escape attack by the immune system.

About CPI-006
CPI-006 is a potent humanized monoclonal antibody that reacts with the active site of CD73, blocking the conversion of AMP to adenosine. In vitro studies of CPI-006 have shown it is capable of substantially inhibiting the production of adenosine by blocking the CD73 enzyme and leads to activation of peripheral blood B cells.

About CPI-444
CPI-444 is a small molecule, oral, checkpoint inhibitor designed to disable a tumor’s ability to subvert attack by the immune system by blocking the binding of adenosine in the tumor microenvironment to the A2A receptor. Adenosine, a metabolite of ATP (adenosine tri-phosphate), is produced within the tumor microenvironment where it may bind to the adenosine A2A receptor present on immune cells and block their activity. CD39 and CD73 are enzymes on the surface of tumor cells and immune cells. These enzymes work in concert to convert ATP to adenosine. In vitro and preclinical studies have shown that dual blockade of CD73 and the A2A receptor may be synergistic.

On February 6, 2019 GT Biopharma, Inc. (OTCQB: GTBP and Euronext Paris GTBP.PA) ("GT Biopharma" or the "Company"), an immuno-oncology biotechnology company focused on innovative treatments based on the Company’s proprietary NK-engager and Bispecific Antibody Drug Conjugate platforms, reported that it has entered into a Securities Purchase Agreement with existing investors pursuant to which the Company has issued to the Purchasers Convertible Secured Notes in an aggregate principal amount of $1,352,224, consisting of gross proceeds of $1,052,224 and settlement of existing debt of $300,000, which Notes shall be convertible into the Company’s common stock, par value $0.001 per share at a price of $0.60 per share (Press release, GT Biopharma , FEB 6, 2019, View Source [SID1234539516]).

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GT Biopharma also provided an update on its corporate progress, clinical status and anticipated milestones for its pipeline of immuno-oncology products based off the Company’s proprietary bi-specific Antibody Drug Conjugate (ADC), Tri-specific Killer Engager (TriKE) and Tetra-specific Killer Engager (TetraKE) technology platforms.

"2018 represented a critical transitional phase for our Company, and I believe we have built significant momentum positioning us to achieve multiple corporate, clinical and regulatory milestone over the course of 2019. Importantly, we are very pleased to have closed the initial bridge financing, which represents an important step in our strategy to ensure we are properly funded to propel the Company to our next phase of growth. We are grateful to our loyal stockholders who have provided continued support of the Company through this investment," commented Raymond Urbanski, M.D., Ph.D., Chief Executive Officer of GT Biopharma. "We continue focusing all of our resources on the flawless execution of our strategy and believe 2019 will be a transformational year for the Company, enabling us to drive significant shareholder value."

Clinical Program Updates

GTB-1550 (OXS-1550): Most Advanced Bi-specific ADC Candidate

The Company’s most advanced bi-specific ADC in development, GTB-1550, targets CD19+ and/or CD22+ hematological malignancies and is currently in the Phase 2 component of a Phase 1/2 Non-Hodgkin’s Lymphoma (NHL)/Acute Lymphocytic Leukemia (ALL) trial which is an open-label, investigator-led study.

GTB-1550 targets cancer cells expressing the CD19 receptor or CD22 receptor or both receptors. When GTB-1550 binds to cancer cells, the cancer cells internalize GTB-1550, and are killed due to the action of drug’s cytotoxic diphtheria toxin payload. GTB-1550 has demonstrated success in a Phase 1 human clinical trial in patients with relapsed/refractory B-cell lymphoma or leukemia.

Dr. Veronika Bachanova, Associate Professor of Medicine, Division of Hematology, Oncology and Transplantation at the University of Minnesota and the Principle Investigator for this study, is currently analyzing the final data and is anticipating submitting an abstract for the 2019 American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) conference.

GTB-3550 (OXS-3550): TriKE product candidate

GTB-3550 is the Company’s first Tri-specific Killer Engager (TriKE) product candidate being initially developed for the treatment of acute myelogenous leukemia (AML). GTB-3550 is a single-chain, tri-specific scFv recombinant fusion protein conjugate composed of the variable regions of the heavy and light chains of anti-CD16 and anti-CD33 antibodies and a modified form of IL-15. When the NK stimulating cytokine human IL-15 is used as a crosslinker between the two scFvs, it provides a self-sustaining signal that activates NK cells and enhances their ability to kill.

GT Biopharma recently announced that its Investigational New Drug (IND) application to the U.S. Food and Drug Administration (FDA) is now open and it is authorized to initiate a first-in-human Phase 1 study with GTB-3550, its first-in-class TriKE, for the treatment of AML, myelodysplatic syndrome (MDS) and mastocytosis. The study will be led by Principal Investigator, Erica Warlick, Associate Professor, Division of Hematology, Oncology and Transplantation at Masonic Cancer Center, University of Minnesota.

This single center, first-in-human Phase 1 clinical trial of GTB-3550 will enroll up to 60 subjects with CD33-expressing refractory/relapsed AML, high-risk MDS, or advanced systemic mastocytosis. Subjects will receive a single course of GTB-3550 given as 3 weekly treatment blocks. Each block consists of four consecutive 24-hour continuous infusions of GTB-3550 followed by a 72-hour break after Block #1 and #2. Disease response will be assessed by bone marrow biopsy performed between Day 21 and Day 42 after the start of the 1st infusion. Follow-up for response and survival continues through 6 months from treatment start. The primary objective from the Phase 1 dose finding portion of the study will be to identify the maximum tolerated dose (MTD) of GTB-3550 defined as the dose level that most closely corresponds to a dose limiting toxicity rate (DLT) of 20%. The primary objective from the Phase 2 extended portion of the study will be the potential efficacy of GTB-3550, measured using rates of complete and partial remission. Subjects experiencing clinical benefit and no unacceptable side effects may be considered for a 2nd course of GTB-3550 on a compassionate basis.

The Company believes that GTB-3550 could serve as a relatively safe, cost-effective, and easy-to-use therapy for refractory/relapsed AML, high-risk MDS and advanced systemic mastocytosis and could also be combined with chemotherapy and/or other agents as frontline therapy thus targeting a much larger patient population.

GT Biopharma’s initial and ongoing work is being conducted in collaboration with the Masonic Cancer Center at the University of Minnesota under research agreements led by Dr. Jeffrey Miller, the Deputy Director and Dr. Daniel Vallera, Director, Section of Molecular Cancer Therapeutics.

GT Biopharma has an exclusive worldwide license agreement with the University of Minnesota to further develop and commercialize cancer therapies using proprietary TriKE technology developed by researchers at the university to target NK cells to cancer.

Upcoming Milestones Expected to Drive Value

Announce topline results from Phase 1/2 trial of GTB-1550 in Q1 2019;
Initiate Phase 1 first-in-human clinical trial of GTB-3550 for the treatment of Relapse/Refractory AML, High Risk MDS, and Advanced Systemic Mastocytosis in the first half of 2019;
Conduct meeting for GTB-1550 with U.S. FDA in the first half of 2019;
Advance ongoing GTB-C3550 IND-enabling studies & TetraKE pre-clinical program to target the larger solid tumor population and are working towards beginning clinical trials in 2019;
Bolster executive management team and board with key expertise to continue to transform the Company;
Participate in key scientific conferences;
Make progress in advancing potential corporate and business development opportunities; and
Uplist to a National Exchange.
This press release shall not constitute an offer to sell or a solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.