Karus Therapeutics Announces Strategic Collaboration with The University of Texas MD Anderson Cancer Center

On December 10, 2015 Karus Therapeutics (‘Karus’), a leader in the development of innovative medicines with breakthrough potential in the treatment of hematological cancers and solid tumor immunotherapy, reported that it has entered into a strategic pre-clinical and clinical collaboration with The University of Texas MD Anderson Cancer Center (Press release, Karus Therapeutics, DEC 10, 2015, View Source [SID1234516772]). The collaboration will include both of Karus’s lead cancer candidates, KA2237 and KA2507.

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Under the agreement, MD Anderson the world’s leading cancer research and care center, will work collaboratively on a number of preclinical studies with a focus on identifying optimal drug combinations and the appropriate patient populations for further clinical development.

KA2237 is a dual-PI3K-p110β/δ inhibitor that exerts both a targeted anti-cancer and tumor immunotherapeutic action with broad potential to treat hematological and solid malignancies as a single-agent and in combination. The first clinical trial under the collaboration is expected to commence in H1 2016 and will establish the maximum tolerated dose (MTD) of KA2237 in lymphoma patients.

KA2507, a selective-HDAC6 inhibitor, also has both a targeted therapy and immunotherapeutic action and has potential in the treatment of multiple myeloma, B- and T-cell lymphomas and PD-L1 expressing solid tumors.

Dr. Simon Kerry, CEO of Karus Therapeutics commented: "MD Anderson is at the forefront of research and development in innovative cancer therapies and we are delighted that their scientific and clinical teams share Karus’s enthusiasm for KA2237 and KA2507. We look forward to working with world-class scientists and clinicians to maximize the efficiency with which we can move our programs into the clinic. Furthermore, with access to a large patient population at the Center we will be able to accelerate our clinical studies, bringing us one step closer to transforming the treatment of cancers with a high unmet medical need through our proprietary, isoform-selective PI3K-p110β/δ and HDAC6 inhibitors.

"At the heart of all we do is what is best for our patients, and research such as this that combines the best of academia and private industry may very well bring new solutions to how we treat these cancers," said Robert Orlowski, M.D., chair, ad interim of Lymphoma/Myeloma at MD Anderson.

Roche presents early data on investigational cancer immunotherapy atezolizumab in combination with nab-paclitaxel chemotherapy in patients with specific type of advanced breast cancer

On December 10, 2015 Roche (SIX: RO, ROG; OTCQX: RHHBY) reported results from a phase Ib study of the investigational cancer immunotherapy atezolizumab (MPDL3280A) used in combination with nab-paclitaxel in patients with metastatic triple-negative breast cancer (TNBC) (Press release, Hoffmann-La Roche , DEC 10, 2015, View Source [SID:1234508535]). The study showed that the combination shrank tumours (overall response rate, including unconfirmed responses) in 70.8% of people, [n=24; 95% confidence interval, (CI): 48.9, 87.4]. 11 of 17 responses (65%) continued on treatment at time of data cut-off. The highest overall response rate observed [88.9% (CI: 51.7, 99.7)] was in people receiving their initial (1st line) treatment for metastatic disease, with 1 confirmed complete responder. Responses were observed in both PD-L1 positive and PD-L1 negative patients. In addition, some patients with evidence of RECIST based progressive disease developed further response with continued treatment. Adverse events (AEs) were consistent with what has previously been reported for treatment of nab-paclitaxel alone, with 56% of patients (n=32) experiencing Grade 3–4 AEs. These data were presented at the San Antonio Breast Cancer Symposium 2015 congress.1

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"We are encouraged that a high proportion of people responded to combined treatment with atezolizumab and nab-paclitaxel chemotherapy, regardless of their PD-L1 expression," said Sandra Horning, MD, Roche’s Chief Medical Officer and Head of Global Product Development. "This result indicates that combinations may provide a way to increase the benefits of atezolizumab in a wide range of people with triple-negative breast cancer."

Based on these results and the observed activity of single-agent atezolizumab in these patients, Roche is evaluating the combination of atezolizumab and nab-paclitaxel in a phase III study (IMpassion130; NCT02425891) of patients with previously untreated metastatic TNBC.

About the phase Ib study of atezolizumab in combination with nab-paclitaxel

This part of the multicentre, multi-arm phase Ib study aimed to evaluate atezolizumab in combination with weekly nab-paclitaxel in patients with metastatic TNBC previously treated with systemic cytotoxic therapy

Primary endpoints were safety and tolerability, with secondary endpoints including efficacy using RECIST v1.1 criteria (best overall response, objective response rate, duration of response, progression-free survival), pharmacokinetics, as well as biomarker analyses
Patients received atezolizumab 800 mg once every 2 weeks (days 1 and 15) with nab-paclitaxel 125 mg/m2 weekly (days 1, 8 and 15) for 3 weeks in 4-week cycles, until loss of clinical benefit

All patients were women with a median age of 58 years (range 32–75 years)

PD-L1 expression was assessed for both tumour cells (TCs) and immune cells (ICs); people were scored as IC0, 1, 2 or 3 and TC0, 1, 2 or 3 with an immunohistochemistry (IHC) test being developed by Roche Tissue Diagnostics

Expression of PD-L1 in TNBC was mostly restricted to IC

Efficacy

Summary of Best Overall Responses by RECIST v1.1

Objective Response Rate by PD-L1 Expression Levela

Safety
Treatment-related Adverse Eventsa

AEs, adverse events
About triple-negative breast cancer
Triple-negative breast cancer (TNBC) refers to any breast cancer that does not express oestrogen receptor (ER), progesterone receptor (PR) or overexpress the HER2 receptor. Approximately 10%–20% of all breast cancers are TNBC, and have a worse prognosis compared with other breast cancer subtypes.2, 3 TNBC is associated with more frequent recurrence, shorter disease-free interval and earlier visceral metastases. Patients with metastatic TNBC have decreased survival compared with patients with other subtypes of breast cancer, with a median survival of 6 to 13 months.4, 5, 6 Currently, chemotherapy is the mainstay of treatment for metastatic TNBC, although clinical practice patterns vary worldwide.

About atezolizumab
Atezolizumab (also known as MPDL3280A) is an investigational monoclonal antibody designed to target and bind to a protein called PD-L1, which is expressed on TCs and tumour-infiltrating ICs. PD-L1 interacts with PD-1 and B7.1, both found on the surface of T cells, causing inhibition of T-cells. By blocking this interaction, atezolizumab may enable the activation of T cells, restoring their ability to effectively detect and attack tumour cells.

About Roche in cancer immunotherapy
For more than 30 years, Roche has been developing medicines with the goal to redefine treatment in oncology. Today, we’re investing more than ever in our effort to bring innovative treatment options that help a person’s own immune system fight cancer.

About personalised cancer immunotherapy
The aim of personalised cancer immunotherapy (PCI) is to provide individual patients with treatment options that are tailored to their specific needs. Our PCI research and development programme comprises more than 20 investigational candidates, eight of which are in clinical trials. All studies include the prospective evaluation of biomarkers to determine which people may be appropriate candidates for our medicines. In the case of atezolizumab (also known as MPDL3280A), PCI begins with the PD-L1 (programmed death ligand-1) IHC assay based on the SP142 antibody developed by Roche Tissue Diagnostics. The goal of PD-L1 as a biomarker is to identify those people most likely to experience clinical benefit with atezolizumab as a single agent and which people may be appropriate candidates for combination therapies; the purpose is not to exclude patients from atezolizumab therapy, but rather to enable the design of combinations that will provide the greatest chance for transformative responses. The ability to combine atezolizumab with multiple chemotherapies may provide new treatment options to people across a broad range of tumours regardless of their level of PD-L1 expression.

Aduro Biotech Announces First Patient Dosed in Phase 1 Study of ADU-214 for the Treatment of Lung Cancer

On December 10, 2015 Aduro Biotech, Inc. (Nasdaq:ADRO) reported the start of the Phase 1 study of ADU-214 (also known as JNJ-64041757), a LADD immuno-oncology therapy for the treatment of lung cancer, with the dosing of the first patient in the trial. Janssen Biotech, Inc., Aduro’s license partner for ADU-214, is conducting the multi-center study (Press release, Aduro BioTech, DEC 10, 2015, View Source;p=RssLanding&cat=news&id=2121848 [SID:1234508532]).

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"We are extremely pleased to see the first immuno-oncology therapy resulting from our license agreement with Janssen enter the clinic," said Stephen T. Isaacs, chairman, president and chief executive officer of Aduro. "With more than 200,000 new diagnoses this year and over 400,000 people living with lung cancer in the United States alone, new therapeutics are desperately needed. We believe ADU-214 may offer new hope to patients suffering from this aggressive disease."

The Phase 1 study will evaluate intravenous administration of ADU-214 in patients with advanced or metastatic non-small cell lung cancer. The trial is expected to enroll up to 40 patients, approximately 12 of whom will participate in the dose escalation portion of the trial where two dose levels of ADU-214 will be evaluated for safety and immunogenicity. The trial will then expand to further characterize safety and preliminary immunological and clinical activity in an additional 30 patients. Additional information may be found at clinicaltrials.gov, using identifier NCT02592967.

About LADD

LADD is Aduro’s proprietary platform of live-attenuated double-deleted Listeria monocytogenes strains that have been engineered to induce a potent innate immune response and to express tumor-associated antigens to induce tumor-specific T cell-mediated immunity. The LADD technology has been applied to several novel compounds in clinical and preclinical testing including CRS-207 (pancreatic cancer, mesothelioma and ovarian/fallopian/peritoneal cancer (collaboration with Incyte Corporation to be tested in combination with epacadostat)), ADU-623 (brain cancer) ADU-214 (lung cancer, licensed to Janssen Biotech, Inc.) and ADU-741 (prostate cancer, licensed to Janssen Biotech, Inc.).

Peregrine Pharmaceuticals Reports Financial Results for Second Quarter of Fiscal Year 2016 and Recent Developments

On December 10, 2015 Peregrine Pharmaceuticals, Inc. (NASDAQ:PPHM) (NASDAQ:PPHMP), a biopharmaceutical company focused on developing therapeutics to stimulate the body’s immune system to fight cancer, reported financial results for the second quarter of fiscal year (FY) 2016 ended October 31, 2015, and provided an update on its advancing clinical pipeline and other corporate developments (Press release, Peregrine Pharmaceuticals, DEC 10, 2015, View Source [SID:1234508530]).

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Highlights Since July 31, 2015

"I am pleased to report that we are nearing completion of enrollment for our Phase III SUNRISE trial with over 90% of the intended number of patients enrolled. We have also made substantial progress toward initiating several new trials including a Phase II/III breast cancer study and a Phase II NSCLC trial in combination with AstraZeneca’s anti-PD-L1 antibody, durvalumab," said Steven W. King, president and chief executive officer of Peregrine. "Our goal is to transition our leading SUNRISE clinical sites into our new Phase II NSCLC trial which should significantly expedite study start-up activities. We are encouraged by the fact that a number of investigators from hospitals that participated in the SUNRISE trial have already enthusiastically agreed to participate in our upcoming NSCLC trial."

"As treatment paradigms shift to incorporate new drugs, it is clear that both chemotherapy and immuno-oncology agents will continue to be critical to patient care. Taken together, we believe our SUNRISE trial, as well as the newly planned breast and lung cancer trials will allow us to maximize the potential of bavituximab in both settings," said Joseph Shan, vice president of clinical and regulatory affairs of Peregrine. "We are committed to continuing to identify new potential indications, patient populations and therapies that can benefit from combination treatment with bavituximab. From what we have seen to date in our preclinical and translational studies, the opportunity appears vast, and we are hard at work converting the most promising prospects into true value."

Clinical Development Highlights

As of today, more than 90% of the planned number of patients have been enrolled in the Phase III SUNRISE trial, representing a sufficient number of patients required to trigger the two pre-planned interim analyses as well as the final analysis for trial unblinding. The company expects to reach the trial’s estimated enrollment of 582 patients in the coming weeks.

Peregrine and AstraZeneca expanded their cancer immunotherapy clinical trial collaboration to evaluate bavituximab in combination with AstraZeneca’s investigational anti-PD-L1 immune checkpoint inhibitor, durvalumab (MEDI4736). The companies are currently planning a global Phase II study in patients with previously treated squamous or non-squamous NSCLC, as well as a Phase I/Ib trial that will evaluate the safety and efficacy of bavituximab in combination with durvalumab and chemotherapy in multiple solid tumors. The company expects the Phase II study to be initiated in early 2016 with the Phase I/Ib study beginning later in 2016.

Peregrine continues to finalize plans for its Phase II/III trial to evaluate bavituximab with chemotherapy combinations in HER2-negative metastatic breast cancer. This trial is on track to be initiated by the end of calendar year 2015.

Supportive Research Highlights

Positive results were presented at the 2015 annual meeting of the Society for Immunotherapy of Cancer (SITC) (Free SITC Whitepaper) from multiple new preclinical studies demonstrating enhanced anti-tumor activity and immune activation for combinations of a preclinical bavituximab equivalent and checkpoint inhibitors such as anti-PD-1 and anti-CTLA-4 in preclinical models of breast cancer and melanoma. Additionally, the company announced preliminary results for a new clinical test specifically designed to illustrate how bavituximab modulates immune responses in the tumor microenvironment.

New data presented at the International Association for the Study of Lung Cancer’s (IASLC’s) World Conference on Lung Cancer (WCLC) from a translational study of bavituximab demonstrated the ability of bavituximab, alone or in combination with docetaxel, to induce signs of immune activation in non-small cell lung cancer (NSCLC) patient-derived tumor samples, particularly when there was negative PD-L1 expression in the tumor sample. These data further support the potential mechanistic synergies for bavituximab with chemotherapy and checkpoint inhibitors targeting the PD-1/PD-L1 pathway.

Summary data presented at the Combination Immunotherapy Strategies session at the 10th Annual Immunotherapy and Vaccine Summit (ImVacS), highlighted key findings from several recent bavituximab-focused studies including: the potential of bavituximab to shift the tumor microenvironment from immuno-suppressive in which tumors evade immune detection to a state of immune activation in which the immune system recognizes and fights the tumor; bavituximab’s potential to increase the number of activated CD8+ cells in the tumor, which stimulates PD-1 expression, potentially increasing the number of patients able to respond to PD-1 and PD-L1 targeting immunotherapies; and, results from several clinical and preclinical studies in a range of tumor types showing that bavituximab and bavituximab-like antibodies, in combination with conventional therapy, have consistently demonstrated Kaplan-Meier graphs that follow the classic immunotherapy survival plateau.

Corporate Highlights

Peregrine closed a registered direct offering to a single institutional investor raising $20 million dollars. The funds raised from this financing will support the ongoing Phase III SUNRISE trial, and newly planned later-stage company-sponsored trials in breast cancer and NSCLC.

Avid Bioservices Highlights

"Our contract manufacturing business continues to strengthen with a 52% current quarter increase in revenue compared to the prior year period and year-to-date growth of 61%," stated Paul Lytle, chief financial officer of Peregrine. "Our new state-of-the-art manufacturing facility is now ready for the initial phase of GMP manufacturing and demand for Avid’s capacity continues to grow with our current backlog now at $49 million. Given the revenue growth and committed backlog, we are increasing our contract manufacturing revenue guidance to a range of $35 to $40 million for the full-year 2016."

During the second quarter of FY 2016, Avid Bioservices achieved record-breaking revenues generating approximately $9.5 million dollars, a 52% increase in revenue compared to the same quarter in the prior year.

Avid’s new manufacturing facility is now ready for the initial phase of GMP manufacturing. The state-of-the-art facility will accommodate single use bioreactors (SUBs) at up to 2,000 liter scale. Upcoming production runs will support late stage clinical development as well as process validation activities in anticipation of bavituximab and other client commercial product needs. The facility has the capacity to potentially generate approximately $40 million in new revenue annually.

Contract manufacturing committed backlog reached $49 million from existing customers covering services to be completed in FY 2016 and into FY 2017.

Financial Results

Total revenues for the second quarter of FY 2016 were $9,523,000, compared to $6,300,000 for the same quarter of the prior fiscal year. The increase was attributed to an increase in contract manufacturing revenue generated from Avid Bioservices.
Contract manufacturing revenue from Avid’s clinical and commercial biomanufacturing services provided to its third-party clients for the second quarter FY 2016 were $9,523,000, compared to $6,263,000 for the same quarter of the prior fiscal year. Peregrine expects third-party contract manufacturing revenue for the entire fiscal year to be between $35 million and $40 million, compared to previous guidance of $30 million to $35 million during last quarter’s earnings call. In addition to providing biomanufacturing services to its third-party clients, Avid will continue to support the clinical development and potential commercialization of bavituximab.

Total costs and expenses in the second quarter of FY 2016 were $23,347,000, compared to $18,437,000 in the second quarter of FY 2015. This increase was primarily attributable to current quarter increases in research and development expenses associated with the SUNRISE Phase III trial, newly planned later-stage company-sponsored trials in breast cancer and NSCLC, and an increase in the cost of contract manufacturing associated with higher reported revenue. For the second quarter of FY 2016, research and development expenses were $14,190,000, compared to $10,003,000 for the second quarter of FY 2015. For the second quarter of FY 2016, cost of contract manufacturing was $4,741,000, compared to $4,139,000 for the second quarter of FY 2015.
Peregrine’s consolidated net loss attributable to common stockholders was $14,578,000, or $0.07 per share, for the second quarter of FY 2016, compared to a net loss attributable to common stockholders of $13,131,000, or $0.07 per share, for the same prior year quarter.

Peregrine reported $72,005,000 in cash and cash equivalents as of October 31, 2015 compared to $68,001,000 at fiscal year ended April 30, 2015.

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.

Lymphoseek® Technically Successful in Evaluation of Sentinel Lymph Node Biopsy in Patients Undergoing Neoadjuvant Chemotherapy

On December 10, 2015 Navidea Biopharmaceuticals, Inc. (NYSE MKT: NAVB) treported that results from an investigator-initiated retrospective analysis demonstrated Lymphoseek (technetium Tc 99m tilmanocept) injection was successful in lymph node identification rate, node-positivity rate, and number of total nodes evaluated in sentinel lymph node biopsy (SLNB) procedures in clinically node-negative breast cancer patients undergoing neoadjuvant chemotherapy (NAT) compared to patients undergoing initial surgical treatment (Press release, Navidea Biopharmaceuticals, DEC 10, 2015, View Source;p=RssLanding&cat=news&id=2121860 [SID:1234508529]). These findings suggest that Lymphoseek offers breast surgeons the confidence to specifically identify and remove sentinel lymph nodes in this patient population. Results of the study conducted at the University of California, San Diego, School of Medicine, led by Anne Wallace M.D., professor of surgery, and Jonathan Unkart, M.D., Department of Surgery, UC San Diego Health, were presented today at the San Antonio Breast Cancer Conference in San Antonio, Texas.

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"Prior thinking suggests that neoadjuvant chemotherapy may induce fibrosis and inflammation that alters lymphatic drainage of axillary lymph nodes in breast cancer and may obscure lymphatic mapping procedures," said Dr. Wallace, who is also director of the Comprehensive Breast Health Center at UC San Diego Moores Cancer Center. "This analysis provides compelling evidence that Lymphoseek was successfully used for SLNB in the breast cancer neoadjuvant chemotherapy population and could potentially reduce the necessity for unnecessary and morbid axillary dissections, and improve the quality of life for patients.

"One of the most frequently asked questions we encounter from physicians is on the effectiveness of Lymphoseek in NAT patients," commented Michael Tomblyn, M.D., Navidea’s Chief Medical Officer. "These findings show Lymphoseek’s usefulness in the complicated NAT population and that the outcomes are not different from the standard breast cancer population."

The aim of the study was to compare identification rate, node-positivity rate and total number of nodes evaluated during SLNB with Lymphoseek and vital blue dye (VBD) in clinically node-negative patients receiving neoadjuvant endocrine or chemotherapy versus initial surgical treatment. A retrospective review of patients undergoing SLNB with Lymphoseek plus VBD from May 2013-2015 at UCSD was conducted. Of the 417 total sentinel lymph node (SLN) cases identified, 72 (17.2%) cases were in patients who had received NAT (61- chemo, 11- endocrine). The SLN identification rate was 100% in both groups (p=1.0). Overall, there were 68 (16.3%) cases of SLN-positivity, 14 (19.4%) in the NAT group versus 54 (15.7%) in the non-NAT group (p= 0.54). The median number of identified nodes was 3 in both groups. In the a zero-truncated negative binomial count model, age, surgeon and evaluating pathologist were significant predictors of the total number of SLNs evaluated. The use of NAT did not significantly affect the number SLNs evaluated.

About Lymphoseek

Lymphoseek (technetium Tc 99m tilmanocept) injection is the first and only FDA-approved receptor-targeted lymphatic mapping agent. It is a novel, receptor-targeted, small-molecule radiopharmaceutical used in the evaluation of lymphatic basins that may have cancer involvement in patients. Lymphoseek is designed for the precise identification of lymph nodes that drain from a primary tumor, which have the highest probability of harboring cancer. Lymphoseek is approved by the U.S. Food and Drug Administration (FDA), with or without scintigraphic imaging, for use in solid tumor cancers where lymphatic mapping is a component of surgical management and for guiding sentinel lymph node biopsy in patients with clinically node negative breast cancer, melanoma or squamous cell carcinoma of the oral cavity. Lymphoseek has also received European approval in imaging and intraoperative detection of sentinel lymph nodes in patients with melanoma, breast cancer or localized squamous cell carcinoma of the oral cavity.

Accurate diagnostic evaluation of cancer is critical, as it guides therapy decisions and determines patient prognosis and risk of recurrence. Overall in the U.S., solid tumor cancers may represent up to 1.2 million cases per year. The sentinel node label in the U.S. and Europe may address approximately 235,000 new cases of breast cancer, 76,000 new cases of melanoma and 45,000 new cases of head and neck/oral cancer in the U.S., and approximately 367,000 new cases of breast cancer, 83,000 new cases of melanoma and 55,000 new cases of head and neck/oral cancer diagnosed in Europe annually.

Lymphoseek Indication and Important Safety Information

Lymphoseek is a radioactive diagnostic agent indicated with or without scintigraphic imaging for:

Lymphatic mapping using a handheld gamma counter to locate lymph nodes draining a primary tumor site in patients with solid tumors for which this procedure is a component of intraoperative management.
Guiding sentinel lymph node biopsy using a handheld gamma counter in patients with clinically node negative squamous cell carcinoma of the oral cavity, breast cancer or melanoma.
Important Safety Information

In clinical trials with Lymphoseek, no serious hypersensitivity reactions were reported, however Lymphoseek may pose a risk of such reactions due to its chemical similarity to dextran. Serious hypersensitivity reactions have been associated with dextran and modified forms of dextran (such as iron dextran drugs).

Prior to the administration of Lymphoseek, patients should be asked about previous hypersensitivity reactions to drugs, in particular dextran and modified forms of dextran. Resuscitation equipment and trained personnel should be available at the time of Lymphoseek administration, and patients observed for signs or symptoms of hypersensitivity following injection.

Any radiation-emitting product may increase the risk for cancer. Adhere to dose recommendations and ensure safe handling to minimize the risk for excessive radiation exposure to patients or health care workers.

In clinical trials, no patients experienced serious adverse reactions and the most common adverse reactions were injection site irritation and/or pain (<1%).