Mirati Therapeutics Announces Presentation Of KRAS G12C Chemistry Advances At The 255th American Chemical Society (ACS) National Meeting And Exposition

On August 16, 2018 Mirati Therapeutics, Inc. (NASDAQ: MRTX), a clinical stage targeted oncology company, reported that a KRAS G12C poster will be presented by scientists from Mirati and Array BioPharma at the 255thAmerican Chemical Society (ACS) National Meeting & Exposition being held in Boston, MA, August 19-23, 2018 (Press release, Mirati, AUG 16, 2018, View Source [SID1234529038]). The poster will focus on the discovery and preclinical characterization of covalent inhibitors of KRAS G12C that have demonstrated potent pathway inhibition in cells and efficacy in tumor xenograft models.

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"We are looking forward to the first public presentation of our orally-active series of covalent inhibitors of KRAS G12C. We will describe the identification of novel lead matter and the structure-based approach that led to increases in potency. Further, we will present in vivo data for an early lead molecule that resulted in regressions in a xenograft tumor model. These results led us to our lead candidate, MRTX849, that has a planned IND (investigational new drug) filing in Q4 2018," said Matt Marx, Ph.D., Vice President of Drug Discovery.

Details for the poster presentation are listed below.

Poster Title: Structure-based drug discovery of a selective, covalent KRAS G12C inhibitor with oral activity in animal models of cancer
Poster Number: MEDI 144
Date and Time: Sunday, August 197:00 PM
Location: Exhibit Hall B1, Boston Convention & Exhibition Center

Synthorx Appoints Immuno-Oncology Veteran Joseph Leveque, M.D., as Chief Medical Officer

On August 16, 2018 Synthorx, Inc., a biotechnology company using a first-of-its-kind Expanded Genetic Alphabet platform to discover and develop innovative protein therapeutics for cancer, autoimmune disorders and other serious diseases, reported the appointment of Joseph Leveque, M.D., as chief medical officer (Press release, Synthorx, AUG 16, 2018, View Source [SID1234528935]). Dr. Leveque brings over 20 years of biotechnology management and therapeutic development experience to Synthorx, with a particular focus on immuno-oncology (IO).

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"Dr. Leveque joins us with a deep-rooted knowledge of the immuno-oncology space, notably with his experience at ARMO BioSciences leading the pivotal Phase 3 trials of the company’s lead IO drug candidate, as well as his involvement in the development and commercialization of Opdivo, Yervoy, and Bavencio, during his time at Bristol-Myers Squibb and Merck KGaA," said Laura Shawver, Ph.D., chief executive officer of Synthorx. "Dr. Leveque is an invaluable addition to our leadership team as we advance our Synthorin cytokine pipeline, including moving our IL-2 Synthorins into clinical trials, where we expect to demonstrate proof of clinical activity in our initial studies in oncology and autoimmune indications."

Dr. Leveque joins Synthorx from his previous role as chief medical officer of ARMO BioSciences, a late-stage immuno-oncology company that was acquired by Eli Lilly in May 2018. Prior to this, he was chief medical officer of EMD Serono, the North American subsidiary of Merck KGaA and the vice president and head of U.S. medical oncology at Bristol-Myers Squibb, where he was involved in the development and commercialization of the first generation of immuno-oncology therapeutics. Before his role at Bristol-Myers Squibb, Dr. Leveque was the vice president of medical and scientific affairs at Onyx Pharmaceuticals. Earlier in his career, he served as vice president of medical and scientific affairs at Cephalon Oncology and as medical director at Amgen, where he worked on several therapeutic programs for solid tumor and hematological malignancies.

Dr. Leveque earned a Medical Doctorate from The University of Texas School of Medicine in Houston, TX and completed his post-graduate medical training in internal medicine at the Cedars-Sinai Medical Center, a teaching affiliate of the University of California, Los Angeles (UCLA). In addition, Dr. Leveque holds a Master of Business Administration from the Wharton School of the University of Pennsylvania.

Immutep to Present at the BioCentury 25th Annual NewsMakers in the Biotech Industry Conference

On August 16, 2018 Immutep Limited (ASX: IMM; NASDAQ: IMMP) ("Immutep" or "the Company"), a biotechnology company developing novel immunotherapy treatments for cancer and autoimmune diseases, reported that it has been invited to present at the BioCentury 25th Annual NewsMakers in the Biotech Industry Conference on Friday, September 7, 2018, at the Millennium Broadway Hotel & Conference Center in New York City (Press release, Immutep, AUG 16, 2018, View Source [SID1234529023]).

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Marc Voigt, CEO of Immutep, is scheduled to present a corporate overview and business update at 11:30 am ET on Friday, September 7, 2018, with one-on-one meetings held throughout the day.

Hosted by BioCentury, only 48 companies are handpicked to present their stories to institutional investors in the Biotech sector. At the NewsMakers conference held in 2017, more than 500 delegates congregated at NewsMakers, including money managers who controlled more than $600 billion in equity assets, with over $50 billion dedicated to healthcare and $15 billion dedicated to biotech.

RXI PHARMACEUTICALS AND KAROLINSKA INSTITUTET ENTER INTO COLLABORATION TO DEVELOP SD-RXRNA COMPOUNDS TO IMPROVE FUNCTIONALITY AND PERSISTENCE OF T CELLS AND NK CELLS FOR THE ADVANCEMENT OF IMMUNO-ONCOLOGY THERAPEUTICS FOR SOLID TUMORS

On August 15, 2018 RXi Pharmaceuticals Corporation (NASDAQ: RXII) a biotechnology company developing the next generation of immuno-oncology therapeutics based on its proprietary self-delivering RNAi (sd-rxRNA) therapeutic platform reported that it has entered into a research collaboration with the Karolinska Institutet in Stockholm, Sweden (Press release, RXi Pharmaceuticals, AUG 15, 2018, View Source [SID1234528886]). This collaboration will explore RXi’s sd-rxRNA compounds against targets involved in T cell and NK cell differentiation and/or in the immune cell tumor-induced stress response with the aim of producing anti-tumor adoptive cell therapy grafts with improved functionality and persistence.

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This work will expand on the recently published results from the Kiessling group demonstrating that an sd-rxRNA targeting PD-1 can enhance TIL antitumor activity against melanoma cells in vitro, further showing that ex vivo treatment with the sd-rxRNA compounds was easily incorporated into a clinically relevant rapid expansion protocol for TILs.1

Dr. Gerrit Dispersyn, Chief Development Officer of RXi Pharmaceuticals, stated: "We are pleased to expand our collaboration with Dr. Kiessling’s group, to further harness their expertise in oncology and to expand on the successful research they have previously done with our sd-rxRNA technology platform in immuno-oncology. The combination of their prior results and the anticipated research results from this new collaboration are critical elements for a rapid advancement of sd-rxRNA immuno-oncology therapeutics into the clinic, further supported by our prior clinical experience with sd-rxRNA in other indications."

Rolf Kiessling, MD, PhD, Senior Professor in Experimental Oncology at the Karolinska Institutet, Senior Chief Physician at the Oncology clinic at the Karolinska University Hospital and member of RXi’s Scientific Advisory Board stated: "Our results to date provide direct clinical relevance for the use of sd-rxRNA technology to improve ACT. In this collaboration, we look forward to exploring using sd-rxRNA to modulate targets outside of checkpoints to improve efficacy of immune effector cells such as T cells and NK cells."

Immunotherapy of cancer has become increasingly important in clinical practice over the recent decade. By activating the patient’s immune system, immunotherapy treatments have shown remarkable promise in extending the lifespan of previously untreatable cancer patients. Adoptive cell therapy is an emerging immunotherapy approach which uses immune cells, such as T-lymphocytes or NK cells that are isolated from the patient or retrieved from allogeneic immune cell banks, and then expanded and in some cases processed to express tumor-binding receptors.

A new and important step in this ex-vivo processing of the immune cells is in development where self-delivering RNAi compounds (sd-rxRNA) are used to eliminate the expression of immunosuppressive receptors or proteins from the therapeutic immune cells, thereby making them less sensitive to tumor resistance mechanisms and improving their ability to destroy tumor cells. In this way, sd-rxRNA therapeutic compounds can be used to weaponize therapeutic immune cells to attack cancer and ultimately provide patients battling terminal cancers with a powerful new treatment option that goes beyond current treatment modalities.

About RXi Pharmaceuticals

RXi Pharmaceuticals Corporation (NASDAQ: RXII) is a biotechnology company developing the next generation of immuno-oncology therapeutics based on its self-delivering RNAi (sd-rxRNA) therapeutic platform. The Company’s discovery and research efforts are focused on developing sd-rxRNA therapeutic compounds to be used with an Adoptive Cell Transfer (ACT) approach. This process uses immune cells, such as T-lymphocytes that are isolated from the patient or retrieved from allogeneic immune cell banks, and then expanded and in some cases processed to express tumor-binding receptors. Our approach introduces a new and important step in ex-vivo processing of the immune cells where sd-rxRNA is used to eliminate the expression of immunosuppressive receptors or proteins from the therapeutic immune cells, making them less sensitive to tumor resistance mechanisms and thus improving their ability to destroy the tumor cells. Essentially, we aim to maximize the power of our sd-rxRNA therapeutic compounds by weaponizing therapeutic immune effector cells to attack cancer and ultimately provide patients battling terminal cancers with a powerful new treatment option that goes beyond current treatment modalities.

SELLAS Life Sciences Provides Business Update and Reports Second Quarter 2018 Financial Results

On August 15, 2018 SELLAS Life Sciences Group, Inc. (Nasdaq:SLS) ("SELLAS" or the "Company"), a clinical-stage biopharmaceutical company focused on the development of novel cancer immunotherapies for a broad range of cancer indications, reported financial results for the quarter ended June 30, 2018 (Press release, Sellas Life Sciences, AUG 15, 2018, View Source [SID1234528887]).

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"During the second quarter of 2018 we made significant progress in laying the foundation for executing on our clinical programs by closing the second tranche of our sale of Series A Preferred Stock and warrants and commencing the process for a follow-on equity offering. We are pleased to have closed that equity financing last month which, together with the proceeds from the sale of the preferred stock and warrants, provides us with funding to begin to advance our pipeline of novel cancer immunotherapies, focusing first on galinpepimut-S (GPS)," said Angelos Stergiou, MD, ScD h.c., President and Chief Executive Officer of SELLAS. "We plan to initiate our Phase 1/2 basket trial of GPS in combination with Keytruda in a number of indications by the end of the third quarter with the first patient in during the fourth quarter and are actively finalizing our clinical plan for a Phase 3 study of GPS in patients with acute myeloid leukemia. Looking ahead, we are also excited to present our Phase 2b data of Herceptin +/- NeuVax in an oral presentation at the 2018 Annual Meeting of the European Society for Medical Oncology (ESMO) (Free ESMO Whitepaper) in late October as well as optimizing our regulatory strategy for NeuVax with U.S. and European regulatory authorities and exploring strategic partnering alternatives around NeuVax," continued Dr. Stergiou.

Second Quarter 2018 and Recent Business Highlights

In July 2018, SELLAS completed an underwritten public offering of common stock and pre-funded warrants, together with accompanying common stock warrants, for aggregate net proceeds of approximately $21.6 million, after deducting underwriting discounts, commissions and offering expenses.
In July 2018, SELLAS announced that data on the adjuvant treatment of women with triple-negative breast cancer (TNBC) with the combination of trastuzumab (Herceptin) +/- NeuVax from a Phase 2b independent investigator-sponsored trial (IST) will be presented at the 2018 ESMO (Free ESMO Whitepaper) Annual Meeting October 19-23 in Munich, Germany.
In July 2018, SELLAS announced that the U.S. Food and Drug Administration (FDA) granted Fast Track designation to GPS for the treatment of multiple myeloma (MM).
In June 2018, SELLAS presented interim data from an open-label Phase 1 IST of GPS in combination with nivolumab in patients with Wilms Tumor 1 (WT1)+ ovarian cancer in second or third remission after salvage chemotherapy at the 2018 annual meeting of American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper). Exploratory efficacy interim data showed that GPS, when combined with a PD-1 inhibitor, demonstrated a progression-free survival rate of 64% at one year in an intent to treat group of 11 evaluable patients with WT1+ ovarian cancer in second or greater remission. Among patients who received at least three doses of GPS in combination with nivolumab, PFS at one year was 70% (7/10). The historical rates with best standard treatment do not exceed 50% in this disease setting.
In June 2018, SELLAS announced that the Phase 2b independent IST of Herceptin +/- NeuVax in HER2 1+/2+ breast cancer patients achieved its key clinical development objectives and was being discontinued, based in part on the recommendation of the independent Data Safety Monitoring Board to further develop the NeuVax + Herceptin combination for patients with TNBC.
In June 2018, the Company was issued U.S. Patent No. 9,993,538 which is a method of use patent that is part of the patent portfolio for the GALE-301 and GALE-302 folate binding protein derived peptides. The method claims cover a dosing regimen to induce an immune response against a tumor expressing folate receptor alpha (FR-alpha) using the GALE-301 peptide (peptide of FR-alpha epitope E39) and the GALE-302 peptide booster (peptide of FR-alpha epitope E39’). The patent will expire on May 31, 2036 and provides further patent protection on the initial GALE-302 patent family, which expires in 2022.
In May 2018, SELLAS announced that the FDA granted orphan drug designation to GPS for the treatment of MM.
In May 2018, SELLAS completed the second tranche of its $10.7 million private placement transaction.
In April 2018, SELLAS appointed Gene Mack as Chief Financial Officer and Treasurer.
Second Quarter 2018 Financial Results

For accounting purposes, SELLAS Life Sciences Group Ltd., a private Bermuda exempted company (SELLAS Ltd.), is considered to have acquired the Company (which was formerly known as Galena Biopharma, Inc. (Galena)) in the business combination between SELLAS Ltd. and Galena (the Merger); therefore, upon the Merger, the financial statements of Galena became those of SELLAS Ltd. and the results reported are those of SELLAS Ltd. reflecting the acquisition of Galena as of December 29, 2017.

Cash Position: As of June 30, 2018, cash and cash equivalents were $1.3 million, compared to $2.3 million as of December 31, 2017. Net cash used in operating activities was $11.7 million for the first half of 2018, partially offset by $8.9 million of net cash provided by financing activities. On July 16, 2018, SELLAS completed an underwritten public offering of common stock and pre-funded warrants, together with accompanying common stock warrants, for aggregate net proceeds of approximately $21.6 million, after deducting underwriting discounts, commissions and offering expenses.

R&D Expenses: Research and development expenses were $1.6 million for the second quarter of 2018, as compared to $1.8 million for the second quarter of 2017. The decrease was primarily attributable to a decrease in licensing fees, partially offset by a severance charge and an increase in clinical and regulatory consulting services. Research and development expenses for the six months ended June 30, 2018 were $3.4 million, as compared to $4.0 million for the same period in 2017. The decrease was primarily attributable to a decrease in licensing fees.

G&A Expenses: General and administrative expenses were $4.9 million for the second quarter of 2018, as compared to $3.8 million for the second quarter of 2017. The increase was primarily driven by an increase in legal fees related to ongoing litigation and other legal matters related to Galena’s business and operations, personnel related expenses and an increase in insurance premiums. These increases were partially offset by a decrease in stock-based compensation expense. General and administrative expenses for the first half of 2018 were $8.8 million, as compared to $6.1 for the six months ended June 30, 2017. The increase during the period was primarily related to legal and advisory fees associated with the Merger with Galena and ongoing litigation and other legal matters related to Galena’s business and operations.

Net Loss: Net loss attributable to common stockholders was $8.5 million for the second quarter of 2018, or a basic and diluted loss per share attributable to common stockholders of $1.26, as compared to a net loss attributable to common stockholders of $5.9 million for the second quarter of 2017, or a basic and diluted loss per share attributable to common stockholders of $4.50. Net loss attributable to common stockholders was $18.5 million for the six months ended June 30, 2018, or a basic and diluted loss per share attributable to common stockholders of $2.89, as compared to a net loss attributable to common stockholders of $10.5 million for the prior period, or a basic and diluted loss per share attributable to common stockholders of $8.14.