On January 6, 2017 TARIS Biomedical LLC, a company developing targeted new treatments for millions of patients suffering from difficult-to-treat bladder diseases, reported that it has closed initial enrollment in its Phase 1b clinical trial of TAR-200 (GemRIS) following highly positive results (Press release, TARIS Biomedical, JAN 6, 2017, View Source [SID1234517284]). TAR-200, a drug-device combination product utilizing the TARIS System, is designed to release gemcitabine continuously into the bladder over 7 days. This open-label study assessed the safety and tolerability of TAR-200 when used in patients with MIBC following initial diagnosis and prior to radical cystectomy. In addition, the study evaluated anti-tumor activity at Day 28 of the study. The treatment regimen employed in this study included two system deployments separated by a 14-day rest period. Schedule your 30 min Free 1stOncology Demo! Preliminary results indicate that the system was well tolerated over two 7-day treatment periods, with no local or systemic tolerability findings. To be eligible for enrollment, patients were required to have visible bulky residual tumor of at least 3 cm in size, clinical stage T2 or T3. Striking tumor responses, including complete tumor ablation or substantial shrinkage, were observed visually at the time of cystectomy in 8 of 10 patients. While the study was originally designed to include up to 20 subjects, the company closed enrollment early following these positive results in order to accelerate the clinical advancement of TAR-200. The company expects complete data from this study, including histopathological assessment, to be presented at a major upcoming medical meeting.
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"The results of this study are very exciting," said Siamak Daneshmand, M.D., Associate Professor of Urology, University of Southern California, and Principal Investigator for the TAR-200-101 study. "TAR-200 appears to be remarkably well-tolerated in patients who have recently undergone extensive transurethral resection of the bladder. Moreover, the unexpected activity observed in these heavily diseased subjects in just 28 days indicates the significant potential of this product in a broad population of patients with MIBC, often a very difficult disease to treat."
"TARIS is extremely excited about the compelling results from this study, and plans to rapidly advance the product into later-stage clinical trials in bladder cancer in 2017," said Purnanand Sarma, Ph.D., President & CEO of TARIS. "The tumor response we have seen to date suggests TAR-200 may offer a fundamentally new treatment option for patients with MIBC, where the current standard of care includes bladder removal. We share the excitement of the study investigators about the potential impact that TAR-200 may have on the lives of patients across the spectrum of bladder cancer."
About the TAR-200-101 Phase 1b Trial
The Phase 1b open-label study was designed to assess whether continuous local exposure to gemcitabine is safe and tolerable in patients with MIBC. The study was initially designed to enroll up to 20 subjects across three sites in the US. Enrolled subjects had bulky residual clinical stage T2 or T3b MIBC tumors following initial transurethral resection of bladder tumor (TURBT), and were ineligible to receive cisplatin-based combination neoadjuvant chemotherapy. Subjects received two placements of TAR-200 during Days 1-7 and 21-28 in the 28-day window between TURBT and radical cystectomy. Subjects were evaluated for safety, tolerability, and evidence of antitumor effects.
About TAR-200
TAR-200 (GemRIS) is TARIS Biomedical’s first program in bladder cancer. TAR-200 is a drug-device combination product designed to release gemcitabine continuously into the bladder over 7 days. Gemcitabine is commonly used to treat multiple cancers alone and in combination with other chemotherapeutic drugs, and is routinely given intravenously1. TARIS believes TAR-200 has the potential to set a new standard of care in bladder cancer, with enhanced efficacy and minimal systemic side effects compared to current approaches. TARIS is developing TAR-200 to address unmet needs in both muscle invasive and non-muscle invasive bladder cancer.
About Muscle Invasive Bladder Cancer
Bladder cancer affects roughly 2.7 million people worldwide, including nearly 600,000 in the United States.2 The National Cancer Institute estimates that there will be a total of nearly 77,000 new cases and 16,000 deaths due to this disease in 2016.3 When measured as a cumulative lifetime per patient cost, the expense to treat bladder cancer exceeds all other forms of cancer.4 The estimated U.S. national expenditure on bladder cancer was $4.3 billion in 2014. 5
Muscle Invasive Bladder Cancer (MIBC) is an advanced form of the disease, representing 25-30% of the newly diagnosed cases. MIBC tumors, which have progressed into the muscle of the bladder wall and potentially beyond, may lead to metastases and death. The standard of care for treatment of MIBC includes radical cystectomy, or complete removal of the bladder, with or without neoadjuvant chemotherapy. Radical cystectomy is a major, life changing surgery and many patients are medically unfit and/or unwilling to undergo this procedure.
Year: 2017
ARTSaVIT Ltd. Completes $6.3 Million Series A Financing
On January 5, 2017 ARTSaVIT LTD reported that it has completed a $6.3 million Series A round of financing led by Arkin Bio Ventures and Pontifax, with participation of M Ventures, Carmel Innovation and Carmel – Haifa University Economic Corporation Ltd (Press release, ARTSaVIT, JAN 5, 2017, View Source [SID1234561841]).
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ARTSaVIT was co-founded by Carmel, the economic corporation of the University of Haifa, Carmel Innovations Fund and Professor Sarit Larisch from the University of Haifa, Israel. Prof. Larisch has identified and characterized ARTS, a protein which regulates the levels of several important anti-apoptotic proteins by promoting their degradation. Apoptosis is a highly regulated process of natural cell death. Faulty regulation of apoptosis is implicated in many human diseases, including cancer. Moreover, resistance to apoptosis is a hallmark of most human cancers.
The insights gathered by Prof. Larisch and the unique function of ARTS led to the establishment of the company, which is developing small molecule ARTS mimetics designed to selectively induce apoptosis in cancer cells. The company received seed investment from the Carmel Innovations Fund, which supported the research and development of the company to its current stage.
ARTSaVIT will move from its facilities at Carmel, University of Haifa, to the state-of-the-art facilities at the M Ventures Israel BioIncubator, which will support the development of the start-up with its infrastructure and a wide range of incubation facilities and services.
Dr. Rom Eliaz, Head of the M Ventures Israel BioIncubator commented: "We are excited to join forces with Arkin Bio Ventures, Pontifax and Carmel and would like to welcome ARTSaVit to our BioIncubator. Following the completion of this fundraising, the company is now well positioned to reach its next value inflection point".
Elka Nir, CEO of Carmel Ltd, the economic corporation of the Haifa University and CEO of Carmel Innovations Fund, noted: "We are proud and excited that M Ventures together with Arkin Bio Ventures and Pontifax invested in ARTSaVIT. It demonstrates the excellent quality and potential of the research and researchers at the University of Haifa. It is another great success for the Carmel Innovation Fund and its business model, which is funding seed companies, supporting them to a stage of significant value "
Avidity Biosciences Raises $16 Million in Series B Financing to Advance Antibody-siRNA Conjugate Platform
On January 5, 2017 Avidity Biosciences reported the completion of a $16 million Series B financing round to support the development of its Antibody-siRNA Conjugate (ASC) platform (Press release, Avidity Biosciences, JAN 5, 2017, View Source [SID1234521096]). The Series B round includes investment of $10 million in new capital and conversion of $6 million in convertible debt. Takeda Pharmaceuticals, through its venture group, led the Series B round, and both new and existing investors participated, including Alethea Capital, Alexandria Real Estate Equities, Brace Pharma, EcoR1 Capital, F-Prime Capital, Moore Venture Partners and Tavistock Life Sciences.
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"Our ASC platform unites two of the most impactful innovations over the past twenty years – monoclonal antibodies and oligonucleotides – to create a new class of precision medicines," said Troy Wilson, Ph.D., J.D., president and chief executive officer of Avidity Biosciences. "Although siRNA-based therapeutics have demonstrated significant clinical and commercial promise, conventional approaches are limited to targeting diseases of the liver. Because ASCs use antibodies to overcome barriers of delivering siRNA, they have the potential to impact a broader range of therapeutic areas. Our goal is to partner with leading pharmaceutical and biotechnology companies to deliver a pipeline of ASCs targeting genetic drivers of disease."
ASCs link a monoclonal antibody—designed against a specific molecular target—with a siRNA therapeutic payload, allowing the conjugate to have unmatched specificity and selectivity. In preclinical models, ASCs have shown potential to knockdown messenger RNA levels in multiple important cell types and tissues, including tumor, muscle, heart, lung, liver and B cells. In addition, ASCs have drug-like properties comparable to antibodies and antibody-drug conjugates.
In connection with the financing, Avidity Biosciences annouced that Michael Martin, Ph.D., global head of Takeda Ventures Inc., and Todd Brady, director of finance and investments of Brace Pharma Capital, will join its board of directors. Tony Hsu, founder and chief investment officer of Alethea Capital, will also join the board as a non-voting member.
"We believe Avidity’s ASC platform offers a compelling approach that builds on successes with antibodies, ADCs and oligonucleotide-based therapeutics," said Dr. Martin. "Avidity has recruited a top-notch team and made significant progress against its scientific and business goals. We look forward to working with the company to realize the promise of ASCs as a new class of precision medicines."
Celyad Announces Registration of the first patient in the Belgian THINK trial
On January 5, 2017 Celyad (Euronext Brussels and Paris, and NASDAQ: CYAD), a leader in the discovery and development of engineered cell-based therapies, reported that the first patient of the Therapeutic Immunotherapy with NKR-2 (THINK) trial started cell processing in Belgium (Press release, Celyad, JAN 5, 2017, View Source [SID1234517408]). Blood was collected from this patient and first CAR-T NKR-2 dose level infusion (3×108 cells) is expected in January 2017.
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"We are pleased to announce that the first patient has been registered in our Belgian Phase Ib trial of CAR-T NKR-2. After witnessing evidence of activity in our initial safety studies, we are enthusiastic about reporting data from this trial in 2017," said Christian Homsy, CEO of Celyad. "We look forward to expanding the trial to U.S.-based institutions and I would like to thank our clinical partners, and the Celyad team for enabling this milestone."
Dr. Frédéric Lehmann, VP Clinical Development & Medical Affairs at Celyad: "This is an important moment for Celyad. The THINK trial is aimed to demonstrate that CAR-T NKR-2 cells can deeply transform the way we treat cancer patients. The team keeps on showing its awe-inspiring ability to deliver in Research and Development, and the Company has now reached a cardinal inflection point to emerge as a key player in the CAR-T space."
Dynavax Restructures and Emphasizes Immuno-Oncology Program
On January 5, 2017 Dynavax Technologies Corporation (NASDAQ: DVAX), a clinical-stage biopharmaceutical company, reported that it is reshaping its strategy and operations to prioritize its emerging clinical and preclinical immuno-oncology portfolio (Press release, Dynavax Technologies, JAN 5, 2017, View Source [SID1234517380]). The company has implemented significant organizational restructuring and cost reductions to align around its immuno-oncology business, while allowing it to advance HEPLISAV-B [Hepatitis B Vaccine, Recombinant (Adjuvanted)], its investigational hepatitis B vaccine candidate, through the U.S. Food and Drug Administration (FDA) review process and an approval decision. Dynavax continues to believe that HEPLISAV-B is an approvable product and plans to submit its response to the FDA’s outstanding questions shortly.
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To achieve these savings, Dynavax has suspended manufacturing for HEPLISAV-B and reduced its global workforce by 38 percent. The company will incur restructuring costs, currently estimated to be $3.0 million, primarily in the first quarter of 2017. The company estimates that its cash, cash equivalents and marketable securities were approximately $81.4 million as of December 31, 2016. Going forward, it expects HEPLISAV-B costs prior to any FDA decision to be less than $1 million per month, and all other operating costs to be less than $60 million per year to support continued development of its oncology program. This restructuring is currently estimated to result in approximately a 40 percent reduction in cash burn. The company will continue to evaluate the possibility of a partnership to support HEPLISAV-B as it increasingly concentrates its own strategic focus on oncology.
"We value all of our colleagues, so reducing our workforce is a sad and difficult decision. But it is one we believe is necessary to align our organization to reflect that of a clinical R&D-stage company with a promising immuno-oncology pipeline, which has become a strategically important area of our business and one we believe can potentially benefit thousands of people with cancer," said Eddie Gray, chief executive officer of Dynavax. "These measures will increase our financial strength and position us well to create significant long-term clinical and financial value. They also will allow us to advance HEPLISAV-B toward approval while we continue to evaluate the possibility of a partnership to support its approval and launch. We are grateful to all affected employees for their dedication to bringing us this far."
Prioritizing Diversified Immuno-Oncology Pipeline
Dynavax has made notable progress in the rapidly advancing area of immuno-oncology, and is focusing on two promising compounds that have shown potential to enhance the immune response against cancer.
The company’s lead clinical candidate, SD-101, an investigational cancer immunotherapeutic, is currently being studied in several Phase 1/2 studies evaluating its potential to be broadly effective against multiple solid tumors and hematologic malignancies. SD-101, an intratumoral TLR9 agonist, has shown encouraging early clinical data in metastatic melanoma.
At the Society for Melanoma Research conference in November 2016, Dynavax announced the first findings from an ongoing Phase 1/2 study of SD-101 in combination with Keytruda (pembrolizumab), Merck’s anti-PD-1 treatment. Early results evaluating 13 patients with metastatic melanoma for efficacy and 19 patients for safety were reported. In patients naïve to anti-PD-1 treatment, objective responses were observed in four of five patients (80 percent), including one complete response and three partial responses. In a small number of patients with progressive disease stable disease was observed while receiving Keytruda and SD-101 in combination. The combination of the two drugs was well-tolerated with no dose-limiting toxicities. These encouraging clinical data will be enhanced by a dose-expansion phase to further explore the efficacy of this combination.
Dynavax is also developing a second TLR9 agonist, DV281, which has completed preclinical testing in models for lung cancer. Lung cancer remains an area of high unmet need, with fewer than 20 percent of patients responding to the most recently-approved immunotherapies. DV281 will be administered as an inhaled therapeutic. Dynavax intends to begin Phase 1 studies of DV281 in the second quarter of 2017.
The company expects to present additional data from its immuno-oncology portfolio at medical conferences throughout 2017, including at the American Association for Cancer Research (AACR) (Free AACR Whitepaper), the American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) and the European Society for Medical Oncology (ESMO) (Free ESMO Whitepaper).
Continuing to Advance HEPLISAV-B while Maintaining Manufacturing Capacity at Reduced Cost
Dynavax plans to respond this month to the November 2016 Complete Response Letter (CRL) from the FDA regarding its Biologics License Application (BLA) for HEPLISAV-B, and will advance the vaccine through an expected six-month FDA review period. The company remains confident that the existing clinical data package meets the requirements for approval. During the regulatory review period, Dynavax will retain, but furlough, the majority of the workforce supporting its manufacturing facility in Germany. This approach will enable the company to leverage the existing stockpiled inventory of HEPLISAV-B, while providing it with the ability to re-activate and scale for commercial launch activities.
Conference Call Details
The Dynavax management team will host a conference call and webcast today, Thursday, January 5, 2017, at 4:30 p.m. Eastern Time, to provide more information about the restructuring. The live call can be accessed by phone by dialing (877) 479-1857 (domestic) or +1 (503) 343-6309 (international) and specifying conference call code 47911578. A link to the live webcast may be accessed by visiting the "Investors" section of the Dynavax website or directly at www.dynavax.com. A replay of the conference call may be accessed for one week following the call by dialing (855) 859-2056 (domestic) or +1 (404) 537-3406, and using the passcode 47911578.
About SD-101
SD-101 is Dynavax’s proprietary CpG-C class oligodeoxynucleotide. SD-101 is a potent activator of dendritic cells, activating them to mature and produce Type 1 interferons through specific binding to TLR9, a key recognition receptor in the innate immune system. SD-101 is delivered directly to the tumor, where it can stimulate highly effective immune responses to tumor antigens. SD-101 is being evaluated in several Phase 1/2 oncology studies to assess its safety and activity.
About DV281
DV281, a newly developed TLR9 agonist, is a CpG-C class oligodeoxynucleotide developed specifically for inhaled delivery to lung tumors that are not easily accessible for intratumoral injection. Inhaled DV281 induces dendritic cell activation and tumor microenvironment changes comparable to intratumoral injection of SD-101. Studies in animal models of lung tumors show that DV281 dramatically reduces lung tumor burden and leads to immune-mediated control of tumor metastases outside the lung. Dynavax intends to initiate a Phase 1 study in the second quarter of 2017.
About HEPLISAV-B
HEPLISAV-B is an investigational adult hepatitis B vaccine that combines hepatitis B surface antigen with Dynavax’s proprietary TLR 9 agonist to enhance the immune response. HEPLISAV-B is administered in two doses over one month. In Phase 3 trials, HEPLISAV-B demonstrated higher and earlier protection with fewer doses than a currently licensed hepatitis B vaccine. The investigational vaccine’s safety profile is based on clinical trials that generated safety data from more than 14,000 participants. The most frequently reported local reaction was injection site pain. The most common systemic reactions were fatigue, headache and malaise, all of which were similar to an existing vaccine.
Dynavax has worldwide commercial rights to HEPLISAV-B.