Atreca Announces Lead Preclinical Projects in Cancer Immunotherapy and Additional Disease Indications

On December 12, 2016 Atreca, Inc., a biotechnology company focused on developing novel therapeutics based on a deep understanding of the human immune response, reported positive preclinical findings generated using the Company’s Immune Repertoire Capture (IRC) technology, presented at the IBC Antibody Engineering & Therapeutics Conference being held in San Diego, California, December 11-15, 2016 (Press release, Atreca, DEC 12, 2016, View Source [SID1234522960]). In a presentation entitled "Analyzing B-cell Receptor Repertoires from Human Studies," Daniel Emerling, Ph.D., Atreca’s Senior Vice President, Research, provided a summary of key findings from the Company’s preclinical programs, including:

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Atreca’s IRC technology has identified and generated antibodies from active human immune responses, including antibodies from cancer patients who have responded well to immunotherapy and other treatments, patients with autoimmune disease, vaccinated subjects, and patients with infections.
Atreca’s immuno-oncology program is advancing antibodies that selectively bind tumor tissue types beyond that of the original patient and display potent antitumor activity in vivo.
Dr. Emerling stated, "Atreca’s IRC platform has demonstrated in preclinical disease models the power of mining a patient’s own anti-tumor immunity. In one of our applications of IRC, we generate natively paired antibody heavy and light chain sequences from blood plasmablasts – activated B cells – that are critical to the body’s own immune response to cancer and pathogens. As our programs progress, we anticipate being able to advance these promising biologic agents for potential use in cancer immunotherapy, vaccines, and diverse additional therapeutic applications."

"Over the past year, Atreca has made substantial progress both in advancing our internal and partnered programs and attracting world-class experts to our leadership team and advisory group," said Tito A. Serafini, Ph.D., Atreca’s President, Chief Executive Officer, and Co-Founder. "We will continue to advance multiple programs through preclinical studies to the clinic, with a primary focus on cancer immunotherapy applications of our novel and proprietary IRC platform."

More information on the Antibody Engineering & Therapeutics Conference is available at: View Source

MacroGenics Licenses Synthon’s Technology to Develop an Anti-B7-H3 ADC

On December 12, 2016 MacroGenics, Inc. (NASDAQ: MGNX), a clinical-stage biopharmaceutical company focused on discovering and developing innovative monoclonal antibody-based therapeutics for the treatment of cancer, as well as autoimmune disorders and infectious diseases, and Synthon Biopharmaceuticals B.V., an international biopharmaceutical company with highly focused development activities for new molecular entities in the therapeutic areas of oncology and autoimmune diseases, reported they have entered a license and collaboration agreement for the development of MGC018, an antibody-drug conjugate (ADC) directed against solid tumors expressing B7-H3 (Press release, MacroGenics, DEC 12, 2016, View Source [SID1234517232]). This molecule is based on a MacroGenics proprietary B7-H3 antibody and Synthon’s proprietary duocarmycin-based, linker-drug technology.

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Under the terms of the agreement, Synthon has licensed rights to its linker-drug technology to MacroGenics to enable future development and commercialization of MGC018. Synthon will also provide manufacturing support and supply ADC to MacroGenics and will be entitled to receive license fees, milestone payments and royalties based on successful development and commercialization of MGC018. Additional details of the transaction were not disclosed.

Based on favorable activity and safety profiles in the non-clinical setting, MacroGenics has selected MGC018 as its lead anti-B7-H3 ADC candidate. MacroGenics has recently initiated IND-enabling studies for this molecule.

"We are encouraged by the data generated with Synthon’s ADC platform and believe that MGC018 will nicely complement our broader portfolio of B7-H3-directed agents," said Scott Koenig, M.D., Ph.D., President and Chief Executive Officer of MacroGenics. "The team at Synthon brings tremendous expertise in linker-drug chemistry and product development that complements our existing capabilities. We look forward to continuing to collaborate with them on this important molecule."

Jacques Lemmens, founder and CEO of Synthon added: "We are very pleased with this commercial licensing agreement with MacroGenics, which enables us to deploy our unique linker-drug technology against a therapeutic target that is complementary to those in our own pipeline. We believe that such collaborations are an important means to accelerate the availability of important therapeutic treatment options to patients who need them."

MacroGenics’ B7-H3 Franchise

MGC018 represents the third molecule in MacroGenics’ franchise of B7-H3-directed molecules. In addition to MGC018, MacroGenics is pursuing two other therapeutic product candidates utilizing different and complementary immune-based mechanisms of action. The leading program, enoblituzumab, is an Fc-optimized monoclonal antibody directed against B7-H3 and is currently in clinical testing as both monotherapy and in combination with either pembrolizumab or ipilimumab. The second program, MGD009, also in clinical testing, is a bispecific DART molecule designed to target tumors expressing B7-H3 by recruiting and expanding T cells at the tumor site. MacroGenics retains worldwide development and commercialization rights to all three of these programs.

Synthon’s Unique Technology Based on Duocarmycin Analogs

Antibody-drug conjugates are designed to combine the specificity of antibodies directed against tumor-associated targets with potent cytotoxicity. Upon internalization of the ADC, the antibody-bound cytotoxins are released intracellularly, leading to programmed tumor cell death.

While the cytotoxins used in the majority of advanced programs in the field prevent tubulin polymerization during cell division, Synthon’s differentiating linker-drug technology − which applies valine-citrulline-seco-DUocarmycin-hydroxyBenzamide-Azaindole (vc-seco-DUBA) − is based on synthetic duocarmycin analogs, which bind to the minor groove of DNA and subsequently cause irreversible alkylation of DNA. This disrupts the nucleic acid architecture, which eventually leads to tumor cell death.

Duocarmycins are able to exert their mode of action at any phase in the cellular cycle, whereas tubulin binders will only attack tumor cells when they are in a mitotic phase. Growing evidence suggests that DNA damaging agents, such as duocarmycins, are more efficacious in tumor cell killing than tubulin binders, particularly in solid tumors.

Although based on natural products, Synthon’s proprietary ADC linker-drug technology uses fully synthetic duocarmycin analogs. The unique design of the selectively cleavable linker connecting the antibody to a duocarmycin prodrug leads to high stability in circulation, and induces efficient release of the cytotoxin in the tumor.

Novocure Presents Second Cohort of Phase 2 Pilot PANOVA Trial Results Suggesting Tumor Treating Fields Plus Nab-Paclitaxel and Gemcitabine may be Safe as First-Line Treatment and may Improve One-Year Survival Rate of Patients with Advanced Pancreatic Cancer
Dec 12, 2016

On December 12, 2016 Novocure (NASDAQ: NVCR) presented data from its phase 2 pilot PANOVA clinical trial at its research and development day suggesting that Tumor Treating Fields (TTFields) plus first-line chemotherapies nab-paclitaxel and gemcitabine may be tolerable and safe in patients with advanced pancreatic cancer (Press release, NovoCure, DEC 12, 2016, View Source [SID1234517056]). The data also suggested an improved one-year survival rate among patients who received TTFields therapy with nab-paclitaxel and gemcitabine compared to a recent phase 3 trial of patients who received nab-paclitaxel and gemcitabine alone¹. Progression free survival and one-year survival rate of patients treated with TTFields plus nab-paclitaxel and gemcitabine were more than double those of nab-paclitaxel and gemcitabine-treated historical controls¹. Novocure will submit data for presentation at an upcoming medical conference.

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The second cohort of the prospective, single-arm study included 20 patients with advanced pancreatic cancer whose tumors could not be removed surgically and who had not received chemotherapy or radiation therapy prior to the clinical trial. The primary endpoint measured the incidence and severity of treatment-related adverse events. Patients reported no serious adverse events related to TTFields. Nine patients suffered from serious adverse events unrelated to TTFields therapy.

"We are extremely pleased with these results," said Dr. Eilon Kirson, Novocure’s Chief Science Officer and Head of Research and Development. "The results of the second cohort of our PANOVA trial support our preclinical work that has demonstrated increased cancer cell sensitivity when TTFields therapy is combined with taxane-based chemotherapies, such as nab-paclitaxel. We are finalizing plans and are eager to begin a phase 3 pivotal trial in advanced pancreatic cancer."

About Pancreatic Cancer

Pancreatic cancer is the fourth leading cause of cancer death in the U.S. The American Cancer Society estimated that about 53,000 people would be diagnosed with pancreatic cancer and about 42,000 people would die from the disease in 2016. Five-year survival among patients with metastatic pancreatic cancer is 2 percent. Tumor Treating Fields (TTFields) therapy is not approved for the treatment of pancreatic cancer by the U.S. Food and Drug Administration. The safety and effectiveness of TTFields therapy for pancreatic cancer has not been established.

Novocure Presents Phase 2 Pilot INNOVATE Trial Results Suggesting Tumor Treating Fields Plus Paclitaxel may be Safe as First-Line Treatment and may Improve Survival of Patients with Recurrent Ovarian Cancer

On December 12, 2016 Novocure (NASDAQ: NVCR) presented data from its phase 2 pilot INNOVATE clinical trial at its research and development day suggesting that Tumor Treating Fields (TTFields) in combination with weekly paclitaxel is tolerable and safe in patients with recurrent ovarian cancer (Press release, NovoCure, DEC 12, 2016, View Source [SID1234517055]). The data also suggested more than doubling of the progression free survival and an improvement in overall survival among patients who received TTFields therapy with paclitaxel compared to a recent phase 3 trial of patients who received paclitaxel alone¹.

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Novocure will submit the data for presentation at an upcoming medical conference and will begin planning a phase 3 pivotal trial in recurrent ovarian cancer.

"These results are promising," said Dr. Eilon Kirson, Novocure’s Chief Science Officer and Head of Research and Development. "Recurrent ovarian cancer is a very difficult to treat disease that quickly develops resistance to multiple types of chemotherapies. We are committed to researching TTFields as a potential treatment for ovarian cancer and look forward to beginning a phase 3 pivotal trial."

About Ovarian Cancer

Ovarian cancer is the fifth most common cause of cancer death in women in the United States. The National Cancer Institute estimated that in 2016, there were approximately 22,000 new cases of ovarian cancer diagnosed and approximately 14,000 deaths in the United States. Ovarian cancer incidence increases with age, and the median age at time of diagnosis is 63 years old. The five-year survival rate is 44 percent, and the majority of patients present at advanced stage with 60 percent having metastatic disease. TTFields therapy is not approved for the treatment of ovarian cancer by the U.S. Food and Drug Administration. The safety and effectiveness of TTFields therapy for ovarian cancer has not been established.

Peregrine Pharmaceuticals Reports Financial Results for Second Quarter of Fiscal Year 2017 and Recent Developments

On December 12, 2016 Peregrine Pharmaceuticals, Inc. (NASDAQ:PPHM) (NASDAQ:PPHMP), a biopharmaceutical company committed to improving patient lives by manufacturing high quality products for biotechnology and pharmaceutical companies and advancing its proprietary R&D pipeline, reported financial results for the second quarter of fiscal year (FY) 2017 ended October 31, 2016, and provided an update on its contract manufacturing business, clinical pipeline and other corporate developments (Press release, Peregrine Pharmaceuticals, DEC 12, 2016, View Source [SID1234517052]).

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Highlights Since July 31, 2016
"The Avid business is on track to continue its revenue growth this fiscal year as we move toward overall profitability within the next 18 months. Our two facilities have the potential to generate in excess of $80 million in revenue, leaving additional capacity for revenue growth beyond fiscal year 2017 revenue guidance," stated Steven W. King, president and chief executive officer of Peregrine. "We are moving forward with our plans to construct a third manufacturing facility, with an eye toward efficiencies that will reduce the overall cost of construction and operation. While this may delay the new facility launch until later in calendar year 2017, we currently have adequate existing capacity to continue meeting the needs of our current clients while also bringing in new customers so we do not expect it to impact our near-term ability to grow top-line revenue as originally planned. Independently, Avid is a successful and growing CDMO business generating significant revenue and one of our key goals going forward is to help ensure that its value is appropriately represented in the market cap of our overall business."
Mr. King continued, "During, and subsequent to, the second quarter, we announced a series of important findings, all of which will contribute to our future development of bavituximab. Our ongoing analysis of the Phase III SUNRISE data has revealed a promising biomarker that may give us insight into key patient populations. We are actively evaluating additional potential biomarkers and we hope to identify a profile for patients who will receive therapeutic benefit from treatment with bavituximab. Concurrent with our internal clinical work, our collaborators at NCCN are in the process of initiating trials for three new bavituximab combination treatments, which we expect to begin enrolling patients in the coming months. What is exciting is that the NCCN studies will help build on developments we are seeing from our internal scientists, as well as our collaborators at Duke, Rutgers and Memorial Sloan Kettering Cancer Center. Together, we presented compelling data supporting our long-standing belief that bavituximab significantly impacts the tumor microenvironment, creating a more immune active environment in which other therapies, including checkpoint inhibitors, are able to have a greater anti-tumor effect. These findings are highly validating and we look forward to continuing our work with these world-class institutions to help guide clinical development."
Avid Bioservices Highlights
"Growing top-line revenue is a key focus and we are pleased to report a 53% improvement in contract manufacturing revenue for the current six-month period compared to the same period last fiscal year. In addition, our revenue guidance for the second quarter was targeted to exceed $20 million and we achieved $23.4 million in contract manufacturing revenue as we worked closely with the third-party testing laboratory to resolve the unexpected delays in testing we encountered during the first quarter. As a result, we reaffirm our manufacturing revenue guidance of between $50 and $55 million for the full fiscal year," stated Paul Lytle, chief financial officer of Peregrine. "We also continued to advance the validation of three separate manufacturing processes related to third-party customer products that could lead to future commercial manufacturing for these products. While these activities generally have a higher cost of manufacturing, which impacted our gross margin during the second quarter, we believe our investment in these products will provide us future revenue opportunities once these products are approved."
The company reaffirms its manufacturing revenue guidance for the full FY 2017 of $50 – $55 million.

Avid’s current manufacturing revenue backlog is $73 million, representing estimated future manufacturing revenue to be recognized under committed contracts. This backlog mostly covers revenue to be recognized during the remainder of fiscal year 2017 and fiscal year 2018.
Clinical Development Highlights
Through the ongoing analysis of the Phase III SUNRISE data, Peregrine scientists identified a correlation between overall survival and pre-treatment levels of the biomarker, beta-2 glycoprotein-1 (β2GP1), which we presented at ESMO (Free ESMO Whitepaper) in October.

Data demonstrated that patients with pre-treatment β2GP1 levels between 200 and 240 µg/mL – representing approximately 30% of randomized patients – achieved a statistically significant, 5.5-month improvement, from 7.7 months to 13.2 months, in median overall survival as compared to patients in the control group with the same range of β2GP1 levels.

Peregrine’s research collaboration with NCCN is advancing as planned, with grants awarded to three investigators to support research of bavituximab in combination with other therapeutics for the following studies:

Phase I Trial of Sorafenib and Bavituximab Plus Stereotactic Body Radiation Therapy (SBRT) for Unresectable Hepatitis C Associated Hepatocellular Carcinoma

Phase I/II Clinical Trial of Bavituximab with Radiation and Temozolomide for Patients with Newly Diagnosed Glioblastoma

Phase II Study of Pembrolizumab and Bavituximab for Progressive Recurrent/Metastatic Squamous Cell Carcinoma of the Head and Neck
The company expects these trials to begin over the coming months.

Research Highlights
Peregrine scientists and collaborators from Duke University Medical Center, Rutgers University College of Medicine, and Memorial Sloan Kettering Cancer Center each presented compelling data demonstrating that shifts in the tumor microenvironment from immune suppressed to immune active occurred when a bavituximab equivalent antibody was administered as part of a combination treatment regimen. Presentations addressed multiple phosphatidylserine (PS)-targeting combinations, including those with checkpoint inhibitors such as anti-PD-1, anti-PD-L1 and anti-LAG3, as well as with radiation or chemotherapy. These data suggest that the addition of PS-targeting reverses an immunosuppressive tumor environment, creating an immune active tumor microenvironment that can potentially convert patients that generally do not respond to immuno-oncology (I-O) therapies into responders. Key presentations were made at the Second International Cancer Immunotherapy Conference (CIMT) (Free CIMT Whitepaper) in September, the American Association for Cancer Research (AACR) (Free AACR Whitepaper)’s Tumor Immunology and Immunotherapy Conference in October, the Society for Immunotherapy of Cancer (SITC) (Free SITC Whitepaper) in November, and the San Antonio Breast Cancer Symposium in December.
Financial Highlights and Results
Peregrine continues to execute its previously-announced strategy to reach sustained profitability by increasing contract manufacturing revenue while decreasing research and development expenses, with the goal of reaching profitability 18 months from now. During the first six months of FY 2017, the company made significant progress toward this goal with contract manufacturing revenues increasing 53% compared to the first six months of FY 2016 and research and development expenses decreasing by 45% compared to the first six months of FY 2016.

Contract manufacturing revenue from Avid’s clinical and commercial biomanufacturing services provided to its third-party customers increased to $23,370,000 for the second quarter of FY 2017 compared to $9,523,000 for the second quarter of FY 2016. In addition, as previously-announced, a backlog at a third-party testing lab, unrelated to product quality, required that the recognition of some revenue be shifted from the first quarter to the second quarter of fiscal year 2017.

Total costs and expenses for the second quarter of FY 2017 were $27,447,000, compared to $23,347,000 for the second quarter of FY 2016. For the second quarter of FY 2017, research and development expenses decreased 51% to $7,022,000, compared to $14,190,000 for the second quarter of FY 2016. Cost of contract manufacturing increased to $15,441,000 in the second quarter of FY 2017 compared to $4,741,000 for the second quarter of FY 2016, primarily due to an increase in the cost of contract manufacturing associated with higher reported revenue. Also contributing to this increase and impacting gross margins for the period is the higher cost of operating the new Myford facility as well as the higher cost associated with performing process validation runs during the quarter. For the second quarter of FY 2017, selling, general and administrative expenses increased to $4,984,000 compared to $4,416,000 for the second quarter of FY 2016 primarily due to the company’s growing manufacturing business.

Peregrine’s consolidated net loss attributable to common stockholders was $5,498,000 or $0.02 per share, for the second quarter of FY 2017, compared to a net loss attributable to common stockholders of $14,578,000, or $0.07 per share, for the same prior year quarter.

Peregrine reported $49,055,000 in cash and cash equivalents as of October 31, 2016, compared to $61,412,000 at fiscal year ended April 30, 2016.
More detailed financial information and analysis may be found in Peregrine’s Quarterly Report on Form 10-Q, which will be filed with the Securities and Exchange Commission today.