Xenetic Biosciences Reports 2017 Third Quarter Financial Results and Provides Corporate Update

On November 15, 2017 Xenetic Biosciences, Inc. (NASDAQ: XBIO) ("Xenetic" or the "Company"), a clinical-stage biopharmaceutical company focused on the discovery, research and development of next-generation biologic drugs and novel orphan oncology therapeutics, reported its unaudited financial results for the quarter ended September 30, 2017 (Press release, Xenetic Biosciences, NOV 15, 2017, View Source [SID1234522089]).

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Xenetic also provided a corporate update and anticipated milestones for the Company’s lead product candidate, XBIO-101 (sodium cridanimod), a small-molecule immunomodulator and interferon inducer which, in preliminary studies, has been shown to increase progesterone receptor ("PrR") expression in endometrial tumor tissue, and an update on its proprietary PolyXen platform technology.

Recent Corporate Highlights:

Appointed Jeffrey F. Eisenberg as Chief Executive Officer;
Entered into Right to Sublicense Agreement related to the Company’s PolyXen Technology with Baxalta Inc., a wholly-owned subsidiary of Shire plc; and
Commenced patient dosing in the Phase 2 clinical study of XBIO-101 in conjunction with progestin therapy for the treatment of endometrial cancer.
"I believe we are well positioned to build on the momentum of our recent corporate and clinical achievements. We remain focused on the solid execution of our Phase 2 study of XBIO-101 for the treatment of endometrial cancer, with the goal of announcing interim data before the end of next year. Further, our recent right to sublicense agreement with Baxalta not only leverages our PolyXen platform technology and provides a source of non-dilutive capital, but also positions Xenetic for value driving opportunities in the near and long-term," stated Jeffrey Eisenberg, Chief Executive Officer of Xenetic Biosciences.

XBIO-101 Program Update

Patient dosing recently commenced for the Company’s Phase 2 clinical study of XBIO-101 in conjunction with progestin therapy for the treatment of endometrial cancer. The study targets a population of patients who have either failed progestin monotherapy or who have been identified as having progesterone receptor negative ("PrR-") tumors.

The primary objective of this open-label, multi-center, single-arm, two-period Phase 2 study is to assess the anti-tumor activity of XBIO-101 in conjunction with progestin therapy as measured by Overall Disease Control Rate in women with recurrent or persistent endometrial carcinoma not amenable to surgical treatment or radiotherapy who have either failed progestin monotherapy or who have been identified as PrR-. Secondary objectives include assessments of efficacy and safety/tolerability parameters.

The study is expected to enroll up to 72 women with recurrent or persistent endometrial cancer not amenable to surgical treatment or radiotherapy but suitable to be treated with progestins. All subjects determined to be PrR- at screening, as well as those subjects who experience disease progression after at least 4 weeks of progestin monotherapy, will receive XBIO-101 in combination with continued progestin treatment. Subjects will receive treatment until disease progression as defined according to RECIST 1.1 criteria.

The Company expects to announce interim data from the Phase 2 study before the end of 2018.

PolyXen Platform Technology Update

The Company recently announced that it has entered into a Right to Sublicense Agreement (the "Right to Sublicense Agreement") with Baxalta Incorporated, Baxalta US Inc., and Baxalta GmbH (collectively, with their affiliates, "Baxalta"), wholly-owned subsidiaries of Shire plc (LSE: SHP, NASDAQ: SHPG). Pursuant to the Right to Sublicense Agreement, Xenetic granted to Baxalta the right to grant a nonexclusive sublicense to certain patents related to the Company’s PolyXen technology that were previously exclusively licensed to Baxalta pursuant to an agreement between the Company and Baxalta in connection with products relating to the treatment of blood and bleeding disorders.

As part of the Right to Sublicense Agreement, Baxalta paid Xenetic a one-time payment of $7.5 million and is expected to make single digit royalty payments based upon net sales of the products covered under the related sublicense throughout the term of the agreement.

Additionally, Xenetic expects to continue to pursue business development activities to explore partnerships utilizing its PolyXen delivery platform.

Summary of Financial Results for Third Quarter 2017

Net loss for the nine months ended September 30, 2017, was $8.0 million compared to a net loss of approximately $53.8 million for the same period in 2016. The decrease in net loss was primarily due to a decrease of in-process research and development expense, as well as a decrease in share-based compensation expense related to warrants previously issued in 2016. These decreases were offset by an increase in general operating costs and costs related to the initiation of our XBIO-101 Phase 2 clinical study.

The Company ended the quarter with approximately $0.7 million of cash. With the addition of the $7.5 million milestone payment under the Right to Sublicense Agreement, as of the date of this release, the Company’s current cash position is approximately $8.0 million. Based on management’s current projections, the Company has sufficient cash to fund its operations through the second quarter of 2018.

EUSA Pharma and AVEO Oncology Announce the First Commercial Launch of FOTIVDA® (tivozanib)

On November 15, 2017 EUSA Pharma and AVEO Oncology (NASDAQ:AVEO) reported the first commercial launch of FOTIVDA (tivozanib) with the initiation of product sales in Germany (Press release, AVEO, NOV 15, 2017, View Source;p=RssLanding&cat=news&id=2317048 [SID1234522076]). In the European Union, Norway and Iceland, tivozanib is indicated for the first line treatment of adult patients with advanced renal cell carcinoma (aRCC) and for adult patients who are vascular endothelial growth factor receptor (VEGFR) and mTOR pathway inhibitor-naïve following disease progression after one prior treatment with cytokine therapy for aRCC.i Tivozanib is an oral, once-daily, potent and highly-selective vascular endothelial growth factor receptor tyrosine kinase inhibitor (VEGFR-TKI). EUSA Pharma is the licensee for tivozanib in Europe, North and South Africa, Latin America and Australasia.

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Lee Morley, EUSA Pharma’s Chief Executive Officer said, "We are delighted that we have been able to grant access to FOTIVDA for patients in one of Europe’s key markets so soon after our regulatory approval. We look forward to working with physicians in Germany to ensure the profile and benefits of FOTIVDA are known and understood. We will of course continue to work with health authorities across all European markets to ensure early access to FOTIVDA as a therapeutic option in the ongoing fight against aRCC."

"The first-ever commercial launch of FOTIVDA is a tremendous accomplishment for AVEO, our partner EUSA Pharma, and, most importantly, patients with aRCC who now have access to a new and differentiated therapeutic option," said Michael Bailey, president and chief executive officer of AVEO. "Over the course of its development, FOTIVDA’s efficacy and tolerability profile among VEGF TKIs has been recognized by investigators as an important potential option for their patients, making this long-anticipated milestone a gratifying achievement. We continue to leverage this profile as we work towards exploring the full extent of FOTIVDA’s use in the emerging aRCC market. We also look forward to continuing to expand its availability in Europe, through our partner, EUSA, and potentially in North America, where we plan to file for FDA approval pending the results of our pivotal study, TIVO-3."

FOTIVDA was approved by the European Commission in August 2017. Approval was primarily based on data from a global, open-label, randomized, multi-center Phase 3 trial (TIVO-1)i,ii which evaluated the efficacy and tolerability of tivozanib compared to a currently available comparator VEGFR-TKI treatment (sorafenib) in 517 patients with advanced RCC. Patients treated with tivozanib experienced superior PFS (11.9 vs. 9.1 months in the overall population [HR, 0.797; 95% CI, 0.639 to 0.993; P =.042] and 12.7 vs. 9.1 months in treatment naïve patients [HR, 0.756; 95% CI, 0.580 to 0.985; P =.037]) versus sorafenib.ii There was also an improved side effect profile with tivozanib, with only 14% (versus 43% with sorafenib) requiring a dose reduction due to adverse events (AEs). In addition, fewer people on tivozanib experienced burdensome side effects, such as diarrhea (23% vs 33%) and hand-foot syndrome (14% vs 54%).ii

About RCC in Europe

RCC is the most common form of kidney cancer,iii which accounts for an estimated 49,000 deaths in Europe each year.iv It is expected to be one of the fastest increasing cancers over the next ten years.v Tyrosine Kinase Inhibitor (TKI) vascular endothelial growth factor (VEGF) inhibitors are the standard of care treatment for advanced RCC in Europe, however, patients on current treatments can often experience significant side effects.ii,vi

About Tivozanib (FOTIVDA)

Tivozanib (FOTIVDA) is an oral, once-daily, vascular endothelial growth factor (VEGF) tyrosine kinase inhibitor (TKI) discovered by Kyowa Hakko Kirin and approved for the treatment of adult patients with advanced renal cell carcinoma in the European Union plus Norway and Iceland. It is a potent, selective and long half-life inhibitor of all three VEGF receptors and is designed to optimize VEGF blockade while minimizing off-target toxicities, potentially resulting in improved efficacy and minimal dose modifications.i,ii Tivozanib has been investigated in several tumors types, including renal cell, colorectal and breast cancers.

Moderna Announces First-in-Human Dosing for Phase 1 Study (KEYNOTE-603) of mRNA-4157, a Personalized Cancer Vaccine, for the Treatment of Solid Tumors

On November 15, 2017 Moderna Therapeutics, a clinical stage biotechnology company pioneering messenger RNA (mRNA) therapeutics and vaccines to create a new generation of transformative medicines for patients, reported that it has started dosing patients in a Phase 1 study of mRNA-4157, an mRNA-based personalized cancer vaccine (Press release, Moderna Therapeutics, NOV 15, 2017, View Source [SID1234522100]). The Phase 1 open-label, dose escalation, multicenter study in the United States (KEYNOTE-603) will assess the safety, tolerability and immunogenicity of mRNA-4157 alone in subjects with resected solid tumors and in combination with KEYTRUDA (pembrolizumab), an anti-PD-1 therapy, marketed by Merck (known as MSD outside the U.S. and Canada) in subjects with unresectable solid tumors.

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The first-in-human dosing of mRNA-4157 marks a key milestone in the strategic collaboration between Moderna and Merck to advance the novel mRNA-based personalized cancer vaccine in combination with KEYTRUDA for the treatment of multiple types of cancer.

"When we combine the potential for robust T-cell response stimulated by our mRNA vaccine, which encodes for 20 patient-specific mutations, with Merck’s checkpoint inhibitor, Keytruda, we have a unique opportunity to make a transformative difference for patients with cancer," said Tal Zaks, M.D., Ph.D., Chief Medical Officer at Moderna. "Having now successfully designed, manufactured and dosed a completely customized personalized cancer vaccine, we look forward to progressing the Phase 1 clinical study and gathering important human data on mRNA-4157 in the months ahead."

KEYNOTE-603 is expected to enroll up to 90 patients across multiple clinical study sites in the United States. Part A of the study will assess the safety, tolerability and immunogenicity of mRNA-4157 alone in subjects with resected solid tumors (in the adjuvant setting). Part B of the study will evaluate mRNA-4157 in combination with KEYTRUDA in subjects with unresectable solid tumors. The ClinicalTrials.gov Identifier for the mRNA-4157 study is: NCT03313778. A link to the ClinicalTrials.gov listing for the study can be found here.

"Our goal in this important collaboration is to deliver personalized vaccines to patients suffering from malignant disease, with the hope that this stimulus will generate a tumor-specific immune response in the presence of Keytruda, our approved immune-stimulatory cancer therapy," said Roger M. Perlmutter, M.D., Ph.D., President, Merck Research Laboratories. "This trial leverages advances in genomics, advanced data analytics, and immunology to permit the generation of personalized cancer vaccines, a potentially transformative approach to cancer treatment. We are hopeful that this collaboration with Moderna, now entering clinical trials, will yield tangible benefits for cancer patients."

"Checkpoint inhibitors and other immuno-oncology therapies are continuing to revolutionize how we treat cancer. However, despite the strong and durable responses we see in some patients, many other patients’ disease continues to progress," said Howard A. "Skip" Burris III, MD, President, Clinical Operations & Chief Medical Officer at Sarah Cannon, and a Principal Investigator of the mRNA-4157 Phase 1 study. "An individualized medicine designed to help each patient’s immune system better recognize cancer as foreign and attack it would be a critical addition to oncologists’ treatment arsenal, potentially helping many more patients respond more effectively to treatment."

About mRNA-4157

Moderna is creating an individualized, mRNA-based personalized cancer vaccine to deliver one medicine for one patient at a time. Through next-generation sequencing, Moderna identifies mutations found on a patient’s cancer cells, called neoepitopes. Neoepitopes can help the immune system distinguish cancer cells from normal cells. Using algorithms developed by its in-house bioinformatics team, Moderna predicts 20 neoepitopes present on the patient’s cancer that should elicit the strongest immune response, based on unique characteristics of the patient’s immune system and particular mutations. Moderna then creates a vaccine that encodes for each of these mutations and loads them onto a single mRNA molecule.

Once injected into the patient, the vaccine should direct the patient’s cells to express the selected neoepitopes. In turn, this may help the patient’s immune system better recognize cancer cells as foreign and destroy them. Leveraging its rapid cycle time, small-batch manufacturing technique and digital infrastructure, Moderna plans to manufacture and supply each individually manufactured personalized cancer vaccine to patients within weeks.

mRNA-4157 also has the potential to enhance clinical outcomes associated with checkpoint inhibitor therapies. In 2016, Moderna and Merck formed a collaboration to develop mRNA-4157 in combination with Merck’s anti-PD-1 therapy, KEYTRUDA.

About the Moderna and Merck Collaboration to Advance mRNA-4157

Under the terms of the agreement announced in June 2016, Merck made an upfront cash payment to Moderna of $200 million, which Moderna is using to lead all research and development efforts through proof of concept. The development program will entail multiple studies in several types of cancer and include the evaluation of mRNA-4157 in combination with KEYTRUDA. Moderna is also utilizing the upfront payment to fund a portion of the ongoing build-out of its GMP mRNA clinical manufacturing facility in Norwood, Mass., for the purposes of personalized cancer vaccine manufacturing.

Following human proof of concept studies, Merck has the right to elect to make an additional undisclosed payment to Moderna. If exercised, the two companies will then equally share cost and profits under a worldwide collaboration for the development of mRNA-4157. Moderna will have the right to elect to co-promote mRNA-4157 in the U.S. The agreement entails exclusivity around combinations with KEYTRUDA. Moderna and Merck will each have the ability to combine mRNA-4157 with other immuno-oncology (non-PD-1) agents.

Neuralstem Reports Third Quarter 2017 Fiscal Results and Provides Clinical and Business Update

On November 15, 2017 Neuralstem, Inc. (NASDAQ:CUR), a biopharmaceutical company focused on the development of nervous system therapies based on its neural stem cell technology, reported its financial results for the three and nine month periods ended September 30, 2017 (Press release, Neuralstem, NOV 15, 2017, View Source [SID1234522096]).

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"We continue to evaluate the full Phase 2 data set for NSI-189 to determine the optimal development path in major depressive disorder and for other conditions, including Angelman’s Syndrome following highly encouraging preclinical data in that setting. We expect to provide a detailed update on our corporate strategy, including development and regulatory plans, after our post-phase 2 meeting with the FDA in the first half of 2018," commented Rich Daly, Chairman and CEO.

"Our recent financing has further extended the company’s cash runway to sufficiently support continued research on NSI-189 and to support operations. We are encouraged by the emerging clinical profile of NSI-189 and look forward to presenting additional clinical data at the upcoming American College of Neuropsychopharmacology in December."

Recent Corporate & Clinical Highlights & Milestones

On November 6, 2017, we strengthened our clinical research team with the appointment of David Recker, MD, as Chief Medical Officer. Dr. Recker has more than 20 years of experience in drug development in multiple therapeutic areas including CNS and cell therapy and has been involved in numerous aspects of clinical strategy development, including product registration and marketing support, clinical trial development and execution, data interpretation, key opinion leader development and support.

On September 18, 2017, Cristina Csimma, Pharm.D, MHP joined the board of directors. Ms. Csimma brings extensive senior leadership experience in the biopharmaceutical industry, including expertise in drug development and regulatory and commercial processes.

On July 25, 2017, the Company announced top-line results from the exploratory Phase 2 clinical trial examining the efficacy of NSI-189 at 40 mg once daily (QD) and 40 mg twice daily (BID) compared to placebo for the treatment of major depressive disorder (MDD). The study, which utilized the two-staged sequential parallel comparison design (SPCD), did not meet its primary efficacy endpoint of a statistically significant reduction in depression symptoms on the Montgomery-Asberg Depression Rating Scale (MADRS). However, as reported in our topline results, the 40 mg QD dose was directionally positive on the MADRS and met statistical significance on several key secondary efficacy endpoints.

The company plans to present the results of the analysis of the secondary endpoints from the Phase 2 clinical trial of NSI-189 in MDD at a scientific meeting in the fourth quarter of this year.

Neuralstem plans to meet with the U.S. Food and Drug Administration in the first half of 2018 to discuss the clinical development path for NSI-189.
Neuralstem intends to submit data on NSI-566, its stem cell therapy product candidate, to FDA and to request Regenerative Medicine Advanced Technology, or RMAT, designation. The RMAT designation, intended to expedite the approval of safe and effective cell therapies, was created by the U.S. Congress as part of the recently-enacted 21st Century Cures Act. Neuralstem is evaluating NSI-566 in three indications: stroke, chronic spinal cord injury (cSCI), and Amyotrophic Lateral Sclerosis (ALS).
On September 5, 2017, the Company was awarded two additional patents by the United States Patent and Trademark Office (USPTO). These patents broadly protect methods for using neural stem cells to treat neurodegenerative disorders, a key component of the Company’s platform. The first new patent, U.S. Patent No. 9,744,194, covers methods of treating neurodegenerative disorders through transplantation of neural stem cells. The second new patent, U.S. Patent No. 9,750,769, covers neural stem cells engineered to express IGF-1, a neurotrophic molecule with broad therapeutic potential in the treatment of neurodegenerative disorders.
Financial Results for the Third Quarter Ended September 30, 2017

Cash Position and Liquidity: At September 30, 2017, cash and investments was $14.1 million as compared to $11.4 million at June 30, 2017. The $2.6 million increase is due to proceeds of $5.4 million, net, from a public offering of common stock and warrants. On August 1, 2017, the Company closed a public offering of 3,000,000 shares of common stock and 2,250,000 common stock purchase warrants at a public purchase price of $2.00 per share and accompanying warrant. Gross proceeds were $6.0 million and approximately $5.4 million, net.

Operating Loss: Operating loss for the quarter ended September 30, 2017 was $2.6 million compared to a loss of $4.9 million for the same period of 2016. The decrease in operating loss for the third quarter 2017 was primarily due to a decrease in clinical trial expenses related to the completion of the Phase 2 clinical trial of NSI-189 in MDD coupled with ongoing corporate restructuring and cost reduction efforts.

Operating loss for the nine months ended September 30, 2017 was $11.0 million compared to a loss of $15.0 million for the same period of 2016. The decrease in operating loss for the nine-month period was primarily due to ongoing corporate restructuring and cost reduction efforts partially offset by increases in clinical trial expenses as the Company completed the Phase 2 clinical trial of NSI-189.

Net Loss: Net loss for the quarter ended September 30, 2017 was $0.1 million, or $0.01 per share (basic) compared to a loss of $5.2 million, or $0.59 per share (basic), on a split adjusted basis for the same period of 2016. The decrease in net loss was primarily due to a decrease in operating expenses along with a $2.7 million non-cash, gain resulting from the fair value adjustment of outstanding liability classified stock purchase warrants.

Net loss for the nine months ended September 30, 2017 was $12.4 million, or $1.00 per share (basic), compared to a loss of $15.7 million, or $1.96 per share (basic), on a split adjusted basis for the same period of 2016. The decrease in net loss was primarily due to a decrease in operating expenses and interest expense due to the maturity of long-term debt in April 2017.

R&D Expenses: The $2.2 million, or 61% decrease, in research and development expenses for the quarter ended September 30, 2017, as compared to the comparable period of 2016, was primarily attributable to a $1.7 million decrease in clinical trial expenses due to the completion of NSI-189 Phase 2 clinical trial, a $0.3 million decrease in personnel, facility and other expenses related to ongoing corporate restructuring and cost reduction efforts and a $0.2 million decrease in non-cash stock based compensation expense.

The $2.3 million, or 25% decrease, in research and development expenses for the nine months ended September 30, 2017, as compared to the comparable period of 2016, was primarily attributable to a $2.2 million decrease in personnel, facility and other expenses related to ongoing corporate restructuring and cost reduction efforts and a $0.4 million decrease in non-cash stock based compensation expense partially offset by a $0.3 million increase in clinical trial expenses related to the completion of the Phase 2 clinical trial of NSI-189.

G&A Expenses: The $0.1 million, or 9% decrease, in general and administrative expenses for the quarter ended September 30, 2017, as compared to the comparable period of 2016, was primarily attributable to a decrease in cash based board of directors fees.

The $1.7 million, or 29% decrease, in general and administrative expenses for the nine months ended September 30, 2017 as compared to the comparable period of 2016 was primarily attributable to a $1.0 million decrease in non-cash stock based compensation expense coupled with a $0.8 million decrease in personnel related expense as a result of headcount reductions.

Oncodesign Announces Positive Results Opening the Way for The ALK1 Program to Advance to the Lead Optimization Phase

On November 15, 2017 ONCODESIGN (Paris:ALONC) (ALONC – FR0011766229), a biopharmaceutical group specialized in , precision medicine, reported that it has obtained positive results opening the way for the ALK1 kinase inhibitor discovery program to move on to the lead optimization phase (Press release, Oncodesign, NOV 15, 2017, View Source [SID1234522101]).

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ALK1 is a kinase involved in angiogenesis. Tumoral angiogenesis is the mechanism by which new blood vessels form and infiltrate tumors to provide nutrients and oxygen and to dispose of the tumor’s cellular waste products. Inhibiting this mechanism is a promising line of research in the quest for new treatments for most types of cancer.

The ALK1 program has produced positive cellular results in a mechanistic model as part of the probe to lead phase. Oncodesign has thus decided to advance it to the lead optimization phase and commence an exhaustive series of in vivo biological tests, while conducting medicinal chemistry optimization of the inhibitor molecules identified. A medicinal chemistry team dedicated to the project will be set up to implement this decision.

"At the end of the Lead Optimization phase a drug candidate could be selected for preclinical trials and then clinical development", said Jan Hoflack, Oncodesign’s Chief Scientific and Operating Officer. "Today, our preclinical portfolio contains no fewer than 12 programs, and ALK1 is joining our most advanced programs. Our goal is to develop a best-in-class drug from this program with the potential to complement other anti-angiogenic approaches, currently a market worth over $10 billion. The addition of the drug discovery expertise of the François Hyafil research center in Paris-Saclay has enabled us to accelerate our most promising programs significantly. ALK1 is the first example of a project successfully moving on to a major new stage in its development by harnessing this new expertise."

After exploring molecules’ therapeutic potential in the probe qualification and probe orientation stages, molecules move on to the probe to lead phase. Molecules then undergo a further selection stage after medicinal chemistry optimization of their structure, and the programs are prioritized according to their activity in relevant cell models and their potential to become a drug.

The lead optimization phase aims to identify a drug candidate, a molecule meeting a large number of very exacting criteria to determine its suitability as a future drug. The selection of a drug candidate takes place at the end of the drug discovery phase, and the regulatory development phases then begin. Lead optimization can take up to 36 months, and the success rate is typically around 50%.

About kinases and Nanocyclix technology:

Kinases are a family of enzymes that play a key role in regulating most cell functions, such as proliferation, cell cycle progression, metabolism, survival/apoptosis, repair of damaged DNA, motility and response to the microenvironment.
Using its Nanocyclix technology module, Oncodesign identifies macrocyclic molecules capable of inhibiting both known and unexplored kinases in a powerful and targeted manner. A large variety of kinase inhibitors are thus explored continuously, and only the most promising inhibitor/targeted kinase combinations are selected for more in-depth investigations.
Oncodesign has built a project portfolio with tremendous potential to treat diseases with very substantial unmet medical needs. This portfolio contains both molecules already at an advanced stage of clinical development (a PET tracer for a specific type of lung cancer) and molecules at an earlier stage of development.