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Humanigen Signs Agreement With MD Anderson Cancer Center to Begin Research Investigating Lenzilumab as CAR-T Support

On April 16, 2018 Humanigen, Inc. (OTCQB: HGEN), a biopharmaceutical company pursuing cutting-edge science to develop its proprietary monoclonal antibodies for immunotherapy and oncology treatments, reported it has signed an agreement with The University of Texas MD Anderson Cancer Center to begin investigator-led research on lenzilumab and its potential to support chimeric antigen receptor T cell (CAR-T) therapy (Press release, Humanigen, APR 16, 2018, View Source [SID1234525348]). Lenzilumab is a first-in-class Humaneered recombinant monoclonal antibody that targets and is an antagonist of soluble granulocyte-macrophage colony-stimulating factor (GM-CSF).

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Preclinical work assessing lenzilumab’s action on one of the mechanisms in the inflammatory cascade induced by CAR-T will proceed in parallel with a planned study that could potentially qualify as a registration study, testing lenzilumab as a potential prophylaxis for neurotoxicity induced by CAR-T therapy. Neutralization of circulating GM-CSF has the potential to blunt or prevent an inflammatory cascade that can result in serious and life-threatening CAR-T-induced side effects – neurotoxicity and Cytokine Release Syndrome.

"With this agreement, we are excited that the team at MD Anderson Cancer Center is beginning to investigate lenzilumab’s potential to make groundbreaking CAR-T therapy safer, better and more routine," said Cameron Durrant, M.D., chairman and chief executive officer of Humanigen. "CAR-T science has moved quickly in the past few years with the two currently marketed CAR-T therapies having been approved based on single Phase 1/2 studies. We look forward to adding to the burgeoning, cutting-edge science studying lenzilumab as a potential critical CAR-T support therapy."

The preclinical study will measure the ability of lenzilumab to block patient CD19-CAR-T cells-treatment-derived GM-CSF induction of human leukocyte antigen-DR (HLA-DR) expression on CD14+ monocytes. It will assess the inhibitory effect of lenzilumab on GM-CSF-induced HLA-DR expression on CD14+ cells, plus other phenotypic and functional monocyte assays.

About Lenzilumab

Lenzilumab is a first-in-class, novel Humaneered recombinant monoclonal antibody designed to target and neutralize circulating granulocyte-macrophage colony-stimulating factor (GM-CSF), the myeloid inflammation factor involved in the recruitment of myeloid cells to a tumor and a central actor in leukocyte differentiation, autoimmunity and inflammation. There is also extensive evidence linking GM-CSF expression to serious and potentially life-threatening side effects in chimeric antigen receptor T-cell (CAR-T) therapy, such as neurotoxicity and Cytokine Release Syndrome (CRS). Humanigen is working with leading CAR-T experts to develop lenzilumab as a potential prophylactic treatment to minimize neurotoxicity associated with CAR-T cancer therapy. In addition, lenzilumab is currently being evaluated as a potential treatment for rare leukemias in a phase 1 trial (NCT02546284) in patients with chronic myelomonocytic leukemia (CMML) with additional potential in juvenile myelomonocytic leukemia (JMML), a rare pediatric cancer. In previous clinical trials, lenzilumab has shown to be safe and well-tolerated in more than 100 patients, including those with rheumatoid arthritis, asthma and healthy volunteers. It is a potent inhibitor of GM-CSF in vivo.

Janssen Announces Worldwide Development and Commercialization Collaboration with Bristol-Myers Squibb to Advance a Next-Generation Therapy for Cardiovascular Diseases

On April 16, 2018 The Janssen Pharmaceutical Companies of Johnson & Johnson reported that it has entered a new worldwide collaboration with Bristol-Myers Squibb Company on a program to develop and commercialize Factor XIa (FXIa) inhibitors, including BMS-986177, for the prevention and treatment of major thrombotic conditions (Press release, Johnson & Johnson, APR 16, 2018, View Source [SID1234525347]). Under the agreement, Janssen Pharmaceuticals, Inc. and Bristol-Myers Squibb Company will advance BMS-986177 into Phase 2 clinical trials and establish a broad development program across multiple therapeutic indications.

The development of novel oral anticoagulants has been a major step forward in the prevention and treatment of thrombosis. The goal for next-generation anticoagulants is to achieve the same efficacy as the current standard of care while substantially lowering the risk of bleeding. Early clinical research has shown that

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FXIa inhibition has the potential to reduce the risk of thrombotic events with a significantly lower risk of bleeding compared to currently available therapies.

"Janssen has built deep knowledge in the anticoagulation space through our extensive experience researching and developing innovative cardiovascular therapies," said James List, M.D., Ph.D., Global Therapeutic Area Head, Cardiovascular and Metabolism, Janssen Research & Development, LLC. "We look forward to applying our expertise to this collaboration with Bristol-Myers Squibb to explore the full potential of BMS-986177 through Factor XIa inhibition to provide a wider safety window for anticoagulation than current therapies."

"With the addition of a Factor XIa inhibitor program to our pipeline, Janssen continues to live up to our long-standing commitment of working tirelessly to bring truly transformational therapies to patients worldwide," said Mathai Mammen, M.D., Ph.D., Global Head, Janssen Research & Development, LLC. "With this new collaboration we have the potential to improve the standard of care for patients with cardiovascular conditions characterized by pathologic thrombosis."

The companies will share development costs and commercial profits and losses. Additional terms of the agreement were not disclosed

Innovation Pharmaceuticals Data from Phase 2 Brilacidin Oral Mucositis (OM) Trial in Head and Neck Cancer Show Notable Reductions in Median Duration of Severe OM and in Number of Unplanned Visits…

On April 16, 2018 Innovation Pharmaceuticals (OTCQB:IPIX) ("the Company"), a clinical stage biopharmaceutical company, reported the additional information from the Company’s successfully completed Phase 2 clinical trial of Brilacidin-OM (see NCT02324335) for the indication of decreasing the incidence of Severe Oral Mucositis (SOM) (WHO Grade ≥3) in Head and Neck Cancer (HNC) patients receiving chemoradiation (Press release, Innovation Pharmaceuticals, APR 16, 2018, View Source [SID1234525346]).

These additional data align with previously released Brilacidin-OM results showing a risk reduction in the incidence of SOM, including up to an 80.3% risk reduction in the incidence of SOM among patients receiving more aggressive chemotherapy. Other previously released results indicate Brilacidin-OM also delayed onset of SOM. The Company is developing Brilacidin-OM under FDA Fast Track designation as a convenient, and clearly differentiated, therapy aimed to decrease incidence of SOM.

Secondary Endpoint: Duration of SOM

Brilacidin outperformed placebo in both the Initial Instance Duration of SOM and the Overall Duration of SOM, as shown below.

Exploratory Endpoint: Unplanned Office Visits, Emergency Department Visits, and/or Hospital Admissions Due to OM
Positive OM assessment endpoints are additionally supported by zero (0) of the patients in the Brilacidin-OM group having unplanned office visits, ED visits, or hospital admissions due to OM, compared to four (4) patients in the placebo group.

Other Study Observations
·Regardless of the oral sites irradiated (at least two sites from: buccal mucosa, floor of mouth, ventral/lateral tongue, and soft palate), the incidence by patient of Severe OM on Brilacidin-OM relative to placebo was consistently reduced.

·Across cumulative radiation dose intervals, patients in the Brilacidin-OM group consistently reported less often feeling the sensation "swollen" (approximately half of that reported for the placebo group). "Burning" sensation also was reported consistently less frequently in the Brilacidin treatment group.

· Patients in the Brilacidin-OM group appeared to trend more favorably over the course of chemoradiation treatment according to Eastern Cooperative Oncology Group (ECOG) Performance Status—a common set of criteria used in oncology trials to assess debility.

Idera Pharmaceuticals Enters into a Clinical Development Support Agreement with Pillar Partners Foundation to Expand the Clinical Research on IMO-2125 beyond PD-1 Refractory Melanoma

On April 16, 2018 Idera Pharmaceuticals, Inc. ("Idera") (NASDAQ:IDRA), a clinical-stage biopharmaceutical company focused on the discovery, development and commercialization of novel oligonucleotide therapeutics for oncology and rare diseases, reported it has entered into a clinical development support agreement with Pillar Partners Foundation ("Pillar Partners") (Press release, Idera Pharmaceuticals, APR 16, 2018, View Source [SID1234525345]). Under the terms of the agreement Pillar Partners will provide direct funding to support three investigator initiated clinical trials to further strategically expand the clinical research of IMO-2125, Idera’s toll-like receptor ("TLR") 9 agonist into broader melanoma populations and other solid tumors. For these trials, Idera will provide IMO-2125. Idera is currently enrolling a Phase 3 ("ILLUMINATE-301") trial of intratumoral administration of IMO-2125 in combination with ipilimumab in patients with anti-PD-1 refractory metastatic melanoma.

The three trials within the terms of this agreement are:
A Phase 1/2 open label study of intratumoral IMO-2125 in combination with intratumoral ipilimumab and IV nivolumab in a protocol open to multiple tumor types including non-small cell lung cancer ("NSCLC"), melanoma, squamous cell carcinoma of the head and neck and urothelial carcinoma. The principal investigator initiating this trial is Aurélien Marabelle, MD, PhD, Clinical Director of the Cancer Immunotherapy Program at Institut Gustave Roussy, Villejuif, France.

A Phase 2 study of intratumoral IMO-2125 in combination with IV pembrolizumab in patients with NSCLC. The principal investigator initiating this trial is Arafat Tfayli, MD, FRCP, Professor of Clinical Medicine, Director of Research, NK Basile Cancer Institute, American University of Beirut Medical Center, Beirut, Lebanon.

A Phase 2 placebo controlled study of intradermal administration of IMO-2125 in patients with T3/T4 primary melanoma scheduled to undergo a combined re-excision and sentinel node biopsy procedure. The principal investigators initiating this trial are Bas Koster, MD, Fons van den Eertwegh MD, PhD, and Tanja de Gruijl, PhD, who is Professor of Translational Tumor Immunology and Co-Director of the Cancer Immunology Program at the VU University Medical Center, Cancer Center Amsterdam, The Netherlands.
"We are eager to expand our knowledge and understanding of the various cancer types and combinations in which IMO-2125 can play a significant role in improving outcomes beyond our current registrational focus with our ILLUMINATE 301 program," stated Joanna Horobin, M.B., Ch. B., Idera’s Chief Medical Officer. "We look forward to working with these investigators to provide the support they need to initiate these trials before the end of the year," said Shah Rahimian, MD, Idera’s Oncology Medical Lead. "
"We have long believed and understood that the mechanism for IMO-2125 has broad potential and plays a central role in IO combinations beyond PD-1 refractory melanoma and through this financial grant, we are able to help light the spark to further expand our ability to test this hypothesis in multiple tumor types with expert clinical investigators," stated Youssef El Zein, Managing Partner, Pillar Invest Corporation.

SELLAS Life Sciences Reports Corporate Highlights, Advancements for its Cancer Immunotherapy Pipeline and 2017 Financial Results

On April 16, 2018 SELLAS Life Sciences Group Inc. (Nasdaq: SLS) ("SELLAS"), a clinical-stage biopharmaceutical company focused on novel cancer immunotherapies for a broad range of cancer indications, reported financial results for the year ended December 31, 2017 and provided a business update (Press release, Galena Biopharma, APR 16, 2018, View Source [SID1234525344]).

"In recent months, we have made meaningful progress advancing our business objectives, maturing SELLAS Life Sciences Group Ltd. into a publicly-traded company following the business combination and progressing our pipeline of cancer immunotherapies for patients with limited treatment options," said Angelos Stergiou, MD, ScD h.c., President & Chief Executive Officer of SELLAS. "We are particularly excited about our recent financing and the positive interim results from the Phase 2b NeuVax + Herceptin study announced earlier this month which we believe help position SELLAS for continued success throughout the remainder of 2018. We also look forward to commencing the Phase 1/2 clinical trial of galinpepimut-S in combination with Keytruda under our collaboration and supply agreement with Merck and our planned Phase 3 Acute Myeloid Leukemia program."
Recent Corporate and Pipeline Highlights

In April 2018, SELLAS announced positive interim data from the prospective, randomized, single-blinded, controlled Phase 2b independent investigator-sponsored clinical trial (IST) of trastuzumab (Herceptin) +/-nelipepimut-S (NeuVax) in HER 1+/2+ breast cancer patients in the adjuvant setting to prevent recurrences.

In March 2018, open label Phase 2 clinical and immunological data for SELLAS’ lead product candidate, galinpepimut-S (GPS) in patients with multiple myeloma (MM) was presented at the 2018 European Society for Blood and Marrow Transplantation (EBMT) 44th Annual Meeting in Lisbon, Portugal. Median progression-free survival (PFS) of 23.6 months was reported in the high-risk disease setting, compared to historically inferior outcomes while on an immunomodulatory drug (IMID) or proteasome inhibitor post-autologous stem cell transplant maintenance.

In March 2018, SELLAS appointed Barbara Wood as Executive Vice President, General Counsel and Corporate Secretary.

In March 2018, SELLAS entered into a definitive securities purchase agreement to issue up to 10,700 shares of its Series A convertible preferred stock and warrants to purchase 1,363,631 shares of its common stock in a private placement transaction to a select group of institutional investors, in Europe and the United States, for aggregate gross proceeds of $10.7 million. The closing of the first tranche for approximately $6.0 million took place on March 9, 2018. The closing of the second tranche for approximately $4.7 million is expected to occur by the end of April 2018 following stockholder approval.

In December 2017, SELLAS Life Sciences Group Ltd. ("SELLAS Ltd."), a privately-held Bermuda exempted company, completed a business combination (the "Merger") with Galena Biopharma, Inc. ("Galena"). Upon completion of the Merger, Galena was renamed "SELLAS Life Sciences Group, Inc.," began trading under a new ticker symbol "SLS" and the combined company now includes the late-stage pipelines of novel cancer immunotherapies for both hematologic and solid malignancies of SELLAS Ltd. and Galena.

In October 2017, SELLAS Ltd. entered into a clinical trial collaboration and supply agreement with Merck & Co. for a combination clinical trial targeting multiple cancer types, in which GPS will be administered in combination with Merck’s anti-PD-1 therapy KEYTRUDA (pembrolizumab) in a Phase 1/2 trial in five cancer indications, including both hematologic malignancies and solid tumors.

Year End 2017 Financial Results
For accounting purposes, SELLAS Ltd. is considered to have acquired Galena in the Merger; therefore, the financial statements of Galena became those of SELLAS Ltd. and the results reported are those of SELLAS Ltd.
Cash Position: As of December 31, 2017, cash and cash equivalents were $2.3 million, compared to $6.0 million as of December 31, 2016. Net cash used in operating activities was $11.0 million for the year ended December 31, 2017, compared to $11.9 million for the year ended December 31, 2016.
R&D Expenses: Research and development expenses were $6.1 million for the year ended December 31, 2017, as compared to $11.4 million for the year ended December 31, 2016. The $5.3 million decrease was primarily attributable to a decrease of $2.5 million in fees due under licensing and collaboration agreements, a decrease of $1.7 million in clinical trial expense, a $1.3 million decrease in manufacturing expenses, a $1.2 million decrease in consulting fees, and $0.2 million decrease in regulatory expenses. These decreases were partially offset by a $0.7 million increase in stock-based compensation and a $0.9 million increase in personnel related expenses. Overall, research and development expenses were reduced in 2017 as SELLAS Ltd. explored various strategic options.
G&A Expenses: General and administrative expenses were $15.1 million for the year ended December 31, 2017, as compared to $4.6 million for the year ended December 31, 2016. The $10.5 million increase was primarily due to $5.7 million of transaction costs related to the Merger and a $2.1 million increase in stock-based compensation from the acceleration of restricted stock units, and a $1.5 million increase in personnel related expenses due to an increase in headcount, $0.6 million increase in accounting and audit fees, and $0.6 million in outside consulting services. The $5.7 million of transactions costs consist of $2.9 million of banking fees, $1.6 million in legal fees, $1.0 million incentive fee payable through approximately $0.1 million in cash and the issuance of 119,672 shares of our common stock upon consummation, and $0.2 million in accounting and audit fees. The transaction costs incurred related to the Merger are non-recurring expenses for the year 2017.
Non-recurring Severance Costs: Severance costs incurred during the year ended December 31, 2017 include employee-related costs for severance of former Galena employees of $1.9 million.
Net Loss: Net loss was $23.8 million and loss attributable to common stockholders was $24.4 million for the year ended December 31, 2017, or a basic and diluted loss per share to common stockholders of $10.44, as compared to a net loss and loss attributable to common stockholders of $17.7 million for the year ended December 31, 2016, or a basic and diluted loss per share to common stock holders of $18.66.