ImmunoGen Announces Presentations at AACR Annual Meeting Highlighting Continued Innovation in ADCs

On March 14, 2018 Mar. 14, 2018– ImmunoGen, Inc. (Nasdaq: IMGN), a leader in the expanding field of antibody-drug conjugates (ADCs) for the treatment of cancer, reported that three posters highlighting the Company’s expertise in ADCs will be presented at the upcoming American Association of Cancer Research (AACR) (Free AACR Whitepaper) Annual Meeting to be held from April 14-18, 2018 in Chicago (Press release, ImmunoGen, MAR 14, 2018, View Source [SID1234524769]).

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"ImmunoGen has in-depth expertise in all aspects of ADCs, which has resulted in the most comprehensive toolbox of ADC technologies in the industry," said Richard Gregory, Ph.D., ImmunoGen’s chief scientific officer. "The data to be presented at AACR (Free AACR Whitepaper) further build on our leadership position in the space and demonstrate continued innovation, including further advancements to payloads and targets for anti-tumor activity, as well as insights into factors that determine the clinical efficacy of ADCs."

Details of ImmunoGen’s poster presentations are as follows:

Title: "A new class of DNA alkylating indolino-benzodiazepine agents (BIAs) linked with a DNA binding moiety for use with antibody-drug conjugates (ADCs)" (abstract #747)
Date:April 15, 2018
Time: 1:00 – 5:00pm CT

A new class of DNA alkylating effector molecules for use in ADC development in which an IGN (indolino-benzodiazepine) monomer subunit is connected to a DNA binding moiety (e.g., Bi-Aryl, or Bis-Aryl) are termed BIAs. BIA ADCs displayed potent, antigen-specific in vitro activity across a panel of FRα-expressing cell lines. In vivo, these ADCs demonstrated potent efficacy in xenograft models at doses well below the maximum tolerated dose.
Title: "Development of an in vivo model system to assess the interplay between the various drivers of antibody drug conjugate (ADC) activity" (abstract #753)
Date:April 15, 2018
Time: 1:00 – 5:00pm CT

To better understand the variables that impact ADC pharmacokinetics, tolerability, bio-distribution, and efficacy, a novel, cross-reactive model system was created. An anti-murine folate receptor alpha (FRα) antibody was generated that binds to both mouse and human FRα. The model system allows experiments to be designed in a cross-reactive system to examine how modifications to the antibody, linker or cytotoxic payload impact safety, and efficacy.
Title: "Evaluation of endoglin/CD105 as a tumor vasculature target with antibody drug conjugates" (abstract #2900)
Date:April 16, 2018
Time: 1:00 – 5:00pm CT

Endoglin/CD105 is a well-acknowledged endothelial cell proliferation marker, which is strongly expressed in tumor-associated vasculature. It was evaluated as an oncology target using ADCs of an anti-CD105 antibody with potent anti-microtubule maytansinoids DM1 and DM4, and the highly potent IGN DNA-alkylating payload, DGN549. Endoglin targeted huRH105-DM and huRH105-DGN549 conjugates produced modest anti-tumor activity and therapeutic indices in rat models.
Additional information and full abstracts can be found at www.aacr.org.

10-K – Annual report [Section 13 and 15(d), not S-K Item 405]

Genomic Health has filed a 10-K – Annual report [Section 13 and 15(d), not S-K Item 405] with the U.S. Securities and Exchange Commission (Filing, 10-K, Genomic Health, 2018, MAR 14, 2018, View Source [SID1234524764]).

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Inovio Pharmaceuticals Reports 2017 Fourth Quarter and Year End Financial Results

On March 14, 2018 Inovio Pharmaceuticals, Inc. (NASDAQ:INO) reported financial results for the fourth quarter and year ended December 31, 2017 (Press release, Inovio, MAR 14, 2018, View Source [SID1234524770]).

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Total revenue was $8.8 million and $42.2 million for the quarter and year ended December 31, 2017, respectively, as compared to $8.5 million and $35.4 million for the same periods in 2016.

Total operating expenses for the quarter and year ended December 31, 2017 were $31.7 million and $125.9 million, respectively, as compared to $30.9 million and $111.6 million for the same periods in 2016.

The net loss attributable to common stockholders for the quarter and year ended December 31, 2017 was $21.5 million, or $0.24 per basic share, and $88.2 million, or $1.08 per basic share, respectively, as compared to a net loss attributable to common stockholders of $26.2 million, or $0.35 per basic share, and $73.7 million, or $1.01 per basic share, for the same periods in 2016.

Revenue

The increase in revenue for 2017 compared to 2016 was primarily due to higher revenues recognized under our collaborative research and development agreement with MedImmune. The previously deferred portion of an up-front payment received in September 2015, and other deferred amounts, totaling $13.8 million in the aggregate, were recognized in June 2017 upon MedImmune’s selection of the first cancer research collaboration product candidate. We also received a $7.0 million milestone payment in December 2017 for the initiation of the Phase 2 portion of an ongoing MEDI0457 clinical trial, which amount was fully recognized as revenue upon receipt. We also recognized an additional $1.2 million of revenue under our prior collaboration with Roche, as all remaining deferred revenue was recognized upon termination of that collaboration agreement in 2017. These increases in revenue under collaborative research and development arrangements were offset in part by lower revenues recognized from our DARPA Ebola grant and DARPA sub-contract for the treatment of infectious diseases.

Operating Expenses

Research and development expenses for the quarter and year ended December 31, 2017 were $24.6 million and $98.6 million, respectively, as compared to $23.9 million and $88.7 million for the same periods in 2016. The year over year increase in R&D expenses was primarily related to an increase in employee headcount to support our R&D and clinical trial activities. General and administrative expenses for the quarter and year ended December 31, 2017 were $8.0 million and $28.3 million, respectively, compared to $7.0 million and $23.9 million for the same periods in 2016. The increase in G&A expenses for the year was primarily related to an increase in employee headcount and non-cash stock based compensation.

Capital Resources

As of December 31, 2017, cash and cash equivalents and short-term investments were $127.4 million compared with $104.8 million as of December 31, 2016. As of December 31, 2017, the Company had 90.4 million common shares outstanding and 99.6 million common shares outstanding on a fully diluted basis, after giving effect to outstanding options, warrants, restricted stock units and convertible preferred stock.

Inovio’s balance sheet and statement of operations are provided below. Inovio’s Annual Report on Form 10-K providing the complete 2017 annual financial report can be found at: View Source

Corporate Update

VGX-3100: Cervical Precancer (Phase 3)

Since last June when Inovio commenced its pivotal Phase 3 clinical program to evaluate the efficacy of VGX-3100, Inovio’s DNA-based immunotherapy lead product candidate designed to treat cervical dysplasia (a precancerous condition) caused by human papillomavirus, the Company has already opened more than 50 U.S. trial sites and initiated nearly 10 trial sites internationally – to recruit patients.

In November 2017, Inovio provided post-hoc analysis of data generated from its Phase 2b trial of VGX-3100 in which the Company identified biomarker signatures which predicted success of VGX-3100 treatment as early as two weeks after the completion of treatment at week 14, which was a full 22 weeks prior to the formal efficacy assessment. These biomarkers could aid physicians in guiding patient care during treatment using VGX-3100.

In December 2017, Inovio entered into an Amended and Restated License and Collaboration Agreement with ApolloBio Corporation, which is expected to become effective in the first quarter of 2018 upon approval by ApolloBio’s stockholders and receipt of other regulatory approvals. Under the terms of the agreement, Inovio granted to ApolloBio the exclusive right to develop and commercialize VGX-3100 in Greater China, including Hong Kong, Macao and Taiwan. The territory may be expanded to include Korea in the event that no patent covering VGX-3100 issues in China within the three years following the effective date of the agreement. Under the agreement, ApolloBio will pay Inovio an upfront payment of $23.0 million. In addition to the upfront payment, Inovio is entitled to receive up to an aggregate of $20.0 million upon the achievement of specified milestones related to the regulatory approval of VGX-3100 in the United States, China and Korea as well as tiered double-digit royalties on product sales.

INO-5401: Bladder Cancer (Phase 1b/2)

INO-5401 is Inovio’s T cell activating immunotherapy encoding for WT1, hTERT and PSMA, three of the top cancer antigens as determined by the National Cancer Institute.

In November 2017, Inovio published the results of preclinical studies in which researchers observed a synergistic effect in combining our TERT (telomerase reverse transcriptase) cancer immunotherapy with a checkpoint inhibitor. In a mouse tumor model, the combination resulted in robust anti-tumor effects and significant improvement in survival compared to either therapy alone. These results were detailed in a paper published in Molecular Therapy entitled, "Synergy of Immune Checkpoint Blockade with a Novel Synthetic Consensus DNA Vaccine Targeting TERT". This published paper highlights the potential benefits of DNA immunotherapy/immune checkpoint blockade combinations using PD-1 or CTLA4 checkpoint inhibitors in patients that respond poorly to immune checkpoint blockade alone, allowing for improved rational design of potential combination therapies. These preclinical results also suggest that the synergistic anti-tumor effect is due to the effect of immune checkpoint blockade on expanding effector T cells generated from the TERT therapy in the tumor microenvironment.

In October 2017, Inovio initiated a Phase 1b/2 immuno-oncology trial to evaluate Genentech/Roche’s PD-L1 checkpoint inhibitor atezolizumab (TECENTRIQ) in combination with INO-5401 and another of Inovio’s product candidates, INO-9012, an immune activator encoding IL-12. The multi-center, open-label trial is evaluating safety, immune response and clinical efficacy in approximately 80 patients with advanced bladder cancer, specifically advanced unresectable or metastatic urothelial carcinoma. The majority of the patients to be enrolled in the trial will have previously received and failed to demonstrate meaningful response to an anti-PD-1 or PD-L1 checkpoint inhibitor alone.

INO-5401: Glioblastoma (Phase 1b/2a)

In November 2017, Inovio initiated a Phase 1b/2a immuno-oncology trial to evaluate Regeneron’s PD-1 checkpoint inhibitor cemiplimab (REGN2810) in combination with INO-5401 and INO-9012. The open-label trial is evaluating safety, immune response and clinical efficacy in approximately 50 patients with newly diagnosed glioblastoma multiforme (GBM), an aggressive brain cancer.

MEDI0457: Head & Neck Cancer (Phase 1/2)

In December 2017, Inovio received a $7.0 million milestone payment from MedImmune as MEDI0457 (formerly called INO-3112, which MedImmune in-licensed from Inovio) in combination with durvalumab (MEDI4736) completed the Phase 1 safety review portion of the study and has advanced to the Phase 2 efficacy stage of the trial. As part of a $700 million 2015 license and collaboration agreement, MedImmune, the global biologics research and development arm of AstraZeneca, is evaluating MEDI0457 in combination with durvalumab, its PD-L1 checkpoint inhibitor, in patients with recurrent/metastatic HPV-associated head and neck squamous cancer (HNSCC) in a clinical trial with an estimated enrollment of 50 patients.

Parker Institute for Cancer Immunotherapy Collaboration

In January 2018, Inovio and the Parker Institute for Cancer Immunotherapy (PICI) entered into a clinical collaboration agreement to undertake clinical evaluation of novel combination regimens within the field of immuno-oncology. Under the agreement, PICI will have responsibility for clinical study execution, working in collaboration with its established network of clinical academic and industry cancer centers. Based on PICI’s novel approach to accelerating studies of cancer immunotherapies, the initial studies will also be funded by PICI. Inovio, in turn, would provide financial contributions back to PICI if any of Inovio’s product candidates studied under the collaboration reaches the initiation of a Phase 3 clinical trial. The collaboration with Inovio represents PICI’s first agreement within the field of DNA-based Immunotherapeutics.

Infectious Disease Vaccines

In January 2018, Inovio announced results from a preclinical study in which the Company’s synthetic vaccine approach, using a collection of synthetic DNA antigens, generated broad protective antibody responses against all major deadly strains of H1N1 influenza viruses from the last 100 years, including the virus that caused "Spanish Flu" in 1918, in multiple animal models, including mice, guinea pigs and non-human primates. These preclinical study results were detailed in a paper published in the journal Vaccine entitled, "Broad cross-protective anti-hemagglutination responses elicited by influenza microconsensus DNA vaccine". In addition to the universal H1N1 flu vaccine program, Inovio is also developing similar universal flu vaccine approaches to cover all H3N2 and Type B flu viruses.

In early 2018, Inovio announced it will collaborate with The Wistar Institute to advance two novel SynCon vaccine programs against tuberculosis (TB) and malaria, fully funded by more than $4.6 million in total grants from the Bill & Melinda Gates Foundation and the National Institutes of Health (NIH). Grants from the Gates Foundation (for malaria) and from the National Institute of Allergy & Infectious Diseases (for TB) will support Inovio’s efforts to develop new DNA vaccines employing its novel and versatile ASPIRE (Antigen SPecific Immune REsponses) platform that is leading the way forward for activation immunotherapy. The ASPIRE platform delivers optimized synthetic antigenic genes into cells, where they are translated into protein antigens that activate an individual’s immune system to generate robust targeted T cell and antibody responses.

Conference Call / Webcast Information

Inovio’s management will host a live conference call and webcast at 4:30 p.m. Eastern Time today to discuss Inovio’s financial results and provide a general business update.

The live webcast and a replay may be accessed by visiting the Company’s website at View Source Please connect to the Company’s website at least 15 minutes prior to the live webcast to ensure adequate time for any software download that may be needed to access the webcast. Telephone replay will be available approximately two hours after the call at 877-481-4010 (domestic) or 919-882-2331 (international) using replay ID 26416

10-K – Annual report [Section 13 and 15(d), not S-K Item 405]

Novavax has filed a 10-K – Annual report [Section 13 and 15(d), not S-K Item 405] with the U.S. Securities and Exchange Commission (Filing, 10-K, Novavax, 2018, MAR 14, 2018, View Source [SID1234524765]).

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Leap Therapeutics Provides DKN-01 Program Update and Announces Scientific Presentations at AACR Annual Meeting

On March 14, 2018 Leap Therapeutics, Inc. (NASDAQ:LPTX), a biotechnology company developing targeted and immuno-oncology therapeutics, reported that promising clinical data from the study evaluating DKN-01, Leap’s anti-DKK1 monoclonal antibody, as a monotherapy in patients with advanced esophagogastric cancer (Press release, Leap Therapeutics, MAR 14, 2018, View Source;p=RssLanding&cat=news&id=2338133 [SID1234524771]). In addition, Leap announced that the first patient has been enrolled in the study evaluating DKN-01 in patients with gynecological cancers. Leap also announced two upcoming scientific presentations at the American Association for Cancer Research (AACR) (Free AACR Whitepaper) 2018 Annual Meeting.

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DKN-01 Monotherapy in Patients with Esophagogastric Cancer
Data presented today at the Barclays Global Healthcare Conference included 16 patients with advanced esophagogastric cancer who were treated with DKN-01 monotherapy. Central imaging review identified two patients (12.5%) with a best response of a partial response and five patients (31.3%) with stable disease, representing a total disease control rate of 43.8%. This cohort of patients had received many different lines of prior therapy. One patient who had failed prior investigational immunotherapies, including a PD-L1 antagonist and IDO inhibitor, had a partial response on DKN-01 monotherapy and remained on study for over a year.

"The results of the DKN-01 monotherapy cohort demonstrate promising single agent activity in a very difficult to treat population of heterogeneous esophagogastric cancer. This data, in addition to the encouraging activity we have seen with DKN-01 in preclinical models and in patients in combination with chemotherapy, provides a strong foundation for our ongoing study in combination with the anti-PD-1 therapy Keytruda," commented Cynthia Sirard, MD, Vice President of Clinical Development for Leap.

DKN-01 Gynecologic Malignancies Study
Leap also announced that the first patient has been dosed in a Phase 2 clinical trial evaluating DKN-01 as a monotherapy and in combination with paclitaxel chemotherapy in patients with advanced endometrioid gynecologic malignancies. The study is part of Leap’s strategy to treat cancer patients with documented mutations of the Wnt signaling pathway, a biomarker identified in patients who have responded to DKN-01 therapy. Data presented today by Leap demonstrates that uterine cancer patients with these mutations often have elevated intratumoral levels of DKK1.

"Mutations of the Wnt pathway, particularly beta-catenin, are highly prevalent in endometrioid gynecologic cancers, and often thought to be a driver of an aggressive subgroup of the disease," commented Michael Birrer, M.D., Ph.D., Director of the Comprehensive Cancer Center at the University of Alabama at Birmingham and an investigator on the study. "We are excited to begin this trial of DKN-01, which has shown promising activity in patients with Wnt signaling mutations in other solid tumor malignancies."

The study is a Phase 2 basket study evaluating DKN-01 as a monotherapy and in combination with paclitaxel in patients with relapsed/refractory endometrioid endometrial cancer (EEC) or endometrioid ovarian cancer (EOC). The study contains four groups and is designed to evaluate the efficacy, safety, and pharmacodynamics of DKN-01 monotherapy and combination therapy in both EEC and EOC, with each group following a 2-stage Simon Minimax design. The study will enroll approximately 94 patients, of which ~ 50% will be required to have documented activating mutations of beta-catenin or other Wnt signaling alterations.

Upcoming Presentation at AACR (Free AACR Whitepaper) Annual Meeting
Additionally, Leap announced two poster session presentations at the AACR (Free AACR Whitepaper) Annual Meeting, being held April 14 – 18, 2018, in Chicago, IL.

Abstract Number and Title: 1710 / 5 – DKN-01, a therapeutic DKK1 neutralizing antibody, has immune modulatory activity in nonclinical tumor models
Session Title: Immune Response to Therapies 2
Session Date and Time: April 16, 2018, 8:00 AM – 12:00 PM
Session Location: McCormick Place, Poster Section 32

Abstract Number and Title: 1699 / 24 – Treatment with agonist anti-GITR antibody after chemotherapy enhances tumor immunity
Session Title: Immune Checkpoints 1
Session Date and Time: April 16, 2018, 8:00 AM – 12:00 PM
Session Location: McCormick Place, Poster Section 3