On November 29, 2018 OncoSec Medical Incorporated (OncoSec) (NASDAQ: ONCS), a company developing intratumoral cancer immunotherapies, reported the presentation of new data from the company’s Phase 2 study of TAVO (tavokinogene telseplasmid) for the treatment of metastatic melanoma (Press release, OncoSec Medical, NOV 29, 2018, View Source [SID1234531716]). The newly presented data reports abscopal responses with TAVO monotherapy, finding that treatment with TAVO monotherapy resulted in 47 percent of patients experiencing tumor regression in at least one untreated lesion. These data were selected for an oral presentation at Melanoma Bridge 2018, taking place November 30 to December 1, Naples, Italy.

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"These findings are significant because they clearly demonstrate that intratumoral treatment with TAVO is having a systemic effect that goes beyond the treated tumor, and to see that effect in nearly half of treated patients is remarkable, particularly with such a well-tolerated therapy," said Alain Algazi, M.D., Lead Trial Investigator, Associate Professor, Department of Medicine (Hematology/Oncology), at the University of California San Francisco (UCSF) Helen Diller Family Comprehensive Cancer Center and Strategic Clinical Advisor to OncoSec. "These findings build upon our previous report from this study showing an approximate 30 percent overall response rate with monotherapy TAVO and further support the potential value of TAVO therapy for this patient population."

OMS-100 is a Phase 2 study of monotherapy TAVO for the treatment of patients with metastatic melanoma. In all, 51 subjects were enrolled in three treatment arms. Reponses data from the study were previously reported, with approximately 30 percent of subjects achieving a best overall response based on RECIST criteria. In addition, 47 percent of patients had stable disease, resulting in a DCR (Disease Control Rate) of 77 percent. Among patients who responded to monotherapy, investigators noted upregulation of innate immune mediators in the periphery of responding patients after treatment. TAVO was well tolerated, with predominantly grade 1 procedural related adverse events.

Slides from the Melanoma Bridge will be available following the conference on www.oncosec.com

On November 29, 2018 Immutep Limited (ASX: IMM; NASDAQ: IMMP) ("Immutep" or "the Company"), a biotechnology company developing novel immunotherapy treatments for cancer and autoimmune diseases, is reported the grant of patent number 2601961 entitled "Compositions comprising LAG-3 and therapeutic antibodies and their uses in treating cancer" by the European Patent Office (Press release, Immutep, NOV 29, 2018, View Source [SID1234531768]).

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This European patent was filed as a divisional application, and follows the grant of the parent application and another divisional application in Europe in 2013 and 2017, respectively.

The claims of this new patent are geared toward the use of Immutep’s lead product candidate eftilagimod alpha ("efti" or "IMP321") in combination with a therapeutic antibody, such as rituximab, cetuximab, or trastuzumab, that kills tumor cells through antibody dependent cell-mediated cytotoxicity (ADCC) for the treatment of cancer. According to the claims, efti elicits a monocyte-mediated immune response, therefore enhancing ADCC, and is administered before, with, or subsequent to administration of the therapeutic antibody.

The new patent points to the broad potential of efti as an immunostimulant and provides patent protection in Europe for an additional range of combination therapies.

The patent expiry date is 3 October 2028.

On November 29, 2018 Oncolytics Biotech Inc. (NASDAQ: ONCY) (TSX: ONC), currently developing pelareorep, an intravenously delivered immuno-oncolytic virus, reported that Dr. Rita Laeufle, M.D., Ph.D., who has been working as a consultant for Oncolytics for the last four months, has been appointed as Chief Medical Officer (Press release, Oncolytics Biotech, NOV 29, 2018, View Source [SID1234531769]). Dr. Laeufle will oversee the clinical development plan for pelareorep as the company drives towards a registration study in breast cancer.

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"Dr. Laeufle brings a tremendous track record in clinical advancement to Oncolytics, including approval in the treatment of metastatic breast cancer," said Dr. Matt Coffey, President and Chief Executive Officer of Oncolytics Biotech. "Her experience in establishing the processes, teams and external support needed to gain approval will be invaluable as we prepare for our phase three registration study in metastatic breast cancer. With Dr. Laeufle’s additional background in gastrointestinal cancer and under her guidance, our objective is to establish a second registration pathway in this area, such as colorectal cancer, anal cancer or pancreatic cancer."

Dr. Laeufle brings more than 15 years of experience in drug development in oncology, most recently serving as Vice President of Clinical Development & Medical Affairs at SFJ Pharmaceuticals where she developed a clinical program for a new drug substance class in colon cancer. Previously, Dr. Laeufle was Senior Vice President, Clinical Development of Oncology at Coherus Biosciences where she developed a biosimilar strategy for Avastin, prior to which she was Senior Medical Director, Global Medical Affairs at Clovis Oncology, where she led the Medical Affairs strategy for their PARP inhibitor, Rucaparib. Dr. Laeufle also served as Senior Medical Director, U.S. Medical Affairs, gastrointestinal (GI) cancers at Genentech where she led GI disease across molecules and indications, and as Senior PD Medical Director and Clinical Science Leader in Oncology at Roche, working with Avastin for the treatment of breast cancer where she successfully maintained approval for Avastin in first-line metastatic breast cancer in combination with paclitaxel in Europe and ROW (rest of world). She was Senior Medical Scientific Expert of Immunology and Infectious Diseases and Senior Pharmacovigilance Leader, Oncology at Novartis and began her pharmaceutical career as PD Medical Director and Medical Monitor (International Study Manager), Altana Pharma.

"Having had the chance to work with the Oncolytics team since July and evaluate the oncolytic virus space from an internal perspective, I couldn’t be more excited to join Oncolytics and look forward to being a part of the exciting and rapidly advancing oncolytic virus therapeutic arena," said Dr. Laeufle. "Pelareorep’s potential includes a very favorable safety profile and statistically significant efficacy data in metastatic breast cancer, as well as supporting data that it is a synergistic treatment option in other cancers, particularly in gastrointestinal cancer in combination with immunotherapy. I strongly believe that pelareorep has the potential to change the treatment landscape of a wide number of indications based on its synergy with a number of immunotherapy agents and targeted treatments in oncology."

Dr. Laeufle, a surgical oncologist, completed her general surgery residency at Buckland Hospital in Dover, England, Basel Switzerland, and Ueberlingen, Germany, and was trained as a surgical oncologist at Staedtisches Krankenhaus, Singen Germany, where she focused on gastroenterological, thyroid and breast cancer. Dr. Laeufle completed medical school at Medical School Albert Ludwig University Freiburg i.Br. Germany, where she received her Ph.D. in exploring Her2 oncogenes in brain cancer. Dr. Laeufle’s work has been published in The Lancet Oncology, the European Journal of Cancer, the Journal of Hepatology and Human Pathology and she has had multiple posters presented at the American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper)

(ASCO), the World Congress on Gastrointestinal Cancer (WCGC) and the European Society for Medical Oncology (ESMO) (Free ESMO Whitepaper).

About Pelareorep
Pelareorep is a non-pathogenic, proprietary isolate of the unmodified reovirus: a first-in-class intravenously delivered immuno-oncolytic virus for the treatment of solid tumors and hematological malignancies. The compound induces selective tumor lysis and promotes an inflamed tumor phenotype through innate and adaptive immune responses to treat a variety of cancers and has been demonstrated to be able to escape neutralizing antibodies found in patients.

On November 28, 2018 Vor Biopharma, an immuno-oncology company pioneering hematopoietic stem cell (HSC) therapies for the treatment of hematological malignancies and affiliate of PureTech Health plc (LSE: PRTC), reported that the United States Patent and Trademark Office (USPTO) issued U.S. Patent No. 10,137,155 related to the Company’s technology platform (Press release, Vor BioPharma, NOV 28, 2018, View Source [SID1234531678]). This foundational patent is the first of its kind in the immuno-oncology field and broadly covers compositions and therapeutic methods related to using novel modified HSCs to enable targeted immunotherapies. The platform technology underlies Vor’s pipeline of immuno-oncology candidates, including lead candidate VOR33.

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The now patented technology is designed to address the fundamental limitations of traditional targeted therapies, including antibody-drug conjugates, bispecific antibodies, and chimeric antigen receptor (CAR) T cells, for the treatment of hematologic malignancies. These existing therapies target antigens on malignant cells that also appear on healthy cells, which can result in mass depletion of critical life-sustaining cells. Vor’s approach employs the use of antigen-modified hematopoietic stem cells (amHSCs), which are designed to repopulate a patient’s blood with cells that have a benign genetic modification to a specific surface antigen that escapes targeting and protects the cells from depletion by targeted immunotherapies. By sparing healthy blood cells, this approach may potentially improve patient safety, enable maximal dosing of cancer-targeted therapies, increase the number of potential patient populations that could benefit from these therapies, and expand the reach of targeted immunotherapies beyond B-cell cancers to a broad range of hematological malignancies, including acute myeloid leukemia (AML).

"The USPTO’s allowance of these broad claims provides validation that our approach and intellectual property are novel and first-in-class," said Aleks Radovic-Moreno, Ph.D., PureTech Health Vice President and Vor program lead. "The compositions and methods covered in the patent protect our lead product candidate as we continue development of our technology towards the clinic. This technology has the potential to provide a novel therapeutic approach for patients with aggressive blood cancers that otherwise have very few treatment options and poor prognoses."

The relevant intellectual property is exclusively licensed to Vor Biopharma and is based on technology developed by Siddhartha Mukherjee, M.D., D. Phil, Associate Professor of Medicine at Columbia University and a Staff Physician at Columbia University Medical Center, and his colleagues.

"This approach has the potential to broaden the use of targeted immunotherapies beyond B-cell cancers, and to help patients who have very limited treatment options," said Dr. Mukherjee.

About VOR33
Vor’s lead product candidate, VOR33, is designed to enable maximal CD33-targeted immunotherapy. CD33, a target that is present in the vast majority of acute myeloid leukemia (AML) patients, is also expressed in normal myeloid progenitor cells. Depletion of normal myeloid progenitor cells prevents the beneficial use of several CD33-targeted therapies at important stages throughout the treatment process, at higher doses, and for longer periods of time. By enabling new CD33-targeted therapies, VOR33 has the potential to overcome these challenges and improve treatment for AML. Vor anticipates initiating IND-enabling studies for VOR33 in early 2019.

On November 28, 2018 TRACON Pharmaceuticals (NASDAQ:TCON), a clinical stage biopharmaceutical company focused on the development and commercialization of novel targeted therapeutics for cancer, and I-Mab Biopharma ("I-Mab"), a China-based clinical stage biopharmaceutical company exclusively focused on the development of innovative biologics in immuno-oncology and autoimmune diseases, reported the establishment of a series of strategic collaborative partnerships for developing multiple immuno-oncology programs, including I-Mab’s proprietary CD73 antibody TJD5, a novel immuno-oncology asset with best-in-class potential from I-Mab’s broad immuno-oncology portfolio, as well as several proprietary bispecific antibodies ("BsAbs") under development by I-Mab (Press release, Tracon Pharmaceuticals, NOV 28, 2018, View Source [SID1234531718]).

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TRACON and I-Mab entered into a cost-sharing product development collaboration whereby TRACON will be responsible for the regulatory and clinical development of TJD5 and up to five of the BsAbs in North America, with the majority of the development effort expected to occur in the U.S. TRACON will bear the costs of early phases of clinical trials and I-Mab will share the costs for more advanced development stages and commercialization. TRACON will also share the North America rights of any selected BsAbs with I-Mab for each collaborative program, with opt-in rights to in-license the BsAbs from I-Mab in certain territories.

"There is a great strategic fit between the two companies. We have complementary development capabilities and share a passion for science. We are pleased to work with TRACON to facilitate clinical development of TJD5 and any selected BsAbs in North America through a capital efficient partnership," said Jingwu Zang, M.D., Ph.D., CEO of I-Mab. "This partnership recognizes and values the potential of our innovative assets and strong drug discovery and development capabilities." "Partnering with TRACON is an important part of our global development strategy to bring innovative biologics to patients worldwide. It further strengthens our presence in North America following the establishment of our US office and is the latest addition to our growing global partnerships spanning from drug candidates to clinical assets," Zang added.

"We are excited to enter into this broad strategic transaction with I-Mab, an innovative biologics company with a broad pipeline of immuno-oncology assets with great potential to impact the treatment of cancer patients. We are particularly impressed with the similarities in corporate cultures between I-Mab and TRACON," said Charles Theuer, M.D., Ph.D., President and CEO of TRACON. "This agreement expands TRACON’s portfolio of potential first-in-class and best-in-class immuno-oncology therapies and further validates TRACON’s product development solution for companies looking to develop innovative products in the U.S. In particular, we believe our existing in-house drug development expertise can reduce both the cost and time of clinical development for our partners and, when combined with our willingness to cost share, this can be an attractive development option. Given TRACON’s ability to expand our development capacity for additional products, we expect to continue leveraging our platform."

About TJD5

TJD5 is a novel, humanized antibody against CD73, an ecto-enzyme expressed on stromal cells and tumors that converts extracellular adenosine monophosphate (AMP) to adenosine, which is highly immunosuppressive. TJD5 is currently completing IND-enabling studies and is expected to begin clinical testing in the U.S. in the first half of 2019 in a trial to assess safety and preliminary efficacy as a single agent and when combined with PD-1/PD-L1 checkpoint inhibitors in patients with advanced solid tumors.