Alligator Bioscience’s ATOR-1017 strongly activates both T cells and NK cells, important for the effective eradication of tumor cells

On June 21, 2018 Alligator Bioscience (Nasdaq Stockholm: ATORX), a biotechnology company developing antibody-based pharmaceuticals for tumor-directed immunotherapy, reported that it will present additional preclinical data for the drug candidate ATOR-1017 at the 3rd Annual World Preclinical Congress in Boston, US (Press release, Alligator Bioscience, JUN 21, 2018, View Source [SID1234527422]). ATOR-1017 is a monoclonal antibody being developed for the treatment of metastasizing cancer. ATOR-1017 activates the costimulatory receptor 4-1BB which is highly expressed on both T cells and NK cells in the tumor environment.

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These new data show that ATOR-1017 activates NK cells as well as T cells, both contributing to an effective immune-mediated killing of tumor cells. NK cells are immune cells that directly target tumor cells which attempt to evade the immune system. NK cells also enhance the cytotoxic response induced by tumor specific T cells. Agonistic antibodies recognizing 4-1BB will therefore strengthen the tumor killing capacity of both NK cells and cytotoxic T cells.

The data further support a best-in-class profile for ATOR-1017, with demonstrated high efficacy and potential for tumor-directed immune activation.

"These preclinical data provide further evidence of ATOR-1017’s unique positioning as a best-in-class 4-1BB antibody. ATOR-1017 has the properties and potential to minimize side-effects and to induce a powerful, long lasting immune response," said Christina Furebring, SVP Research, at Alligator Bioscience.

Dr Karin Enell Smith, Senior Scientist Preclinical Development at Alligator, will give an oral presentation with the title: "ATOR-1017 – A tumor directed Fcγ-receptor cross-linking dependent 4-1BB agonistic antibody" today at 3:30 p.m. EDT (9:30 p.m. CEST)

For further information, please contact:
Cecilia Hofvander, Director Investor Relations & Communications
Phone +46 46 286 44 95
E-mail: [email protected]

The information was submitted for publication, through the agency of the contact person set out above, at 8:00 a.m. CEST on June 21, 2018.

About ATOR-1017
ATOR-1017 is an immunostimulatory antibody (IgG4) that binds to the costimulatory receptor 4-1BB (also known as CD137) expressed on tumor-specific T cells and NK cells. 4-1BB has the capacity to support the immune cells involved in tumor control, making 4-1BB a particularly attractive target for cancer immunotherapy.

ATOR-1017 is differentiated from other 4-1BB antibodies, partly because of its unique binding profile, but also because its immunostimulatory function is dependent on cross-linking to Fc-gamma receptors on immune cells. The aim is to achieve effective tumor-targeted immune stimulation with minimum side effects.

BeyondSpring Reports Operational Updates and First Quarter 2018 Financial Results

On June 21, 2018 BeyondSpring Inc. (the "Company" or "BeyondSpring") (NASDAQ:BYSI), a global, clinical-stage biopharmaceutical company focused on the development of transformative cancer therapies, reported its financial results for the quarter ended March 31, 2018, and provided an update on the Company’s operations (Press release, BeyondSpring Pharmaceuticals, JUN 21, 2018, View Source [SID1234527596]).

"During the past few months, we have continued to execute on our strategy to establish our lead asset, Plinabulin, as a potentially superior new therapy for the treatment of chemotherapy-induced neutropenia, or CIN, while also advancing our Phase 3 non-small cell lung cancer trial and earlier-stage programs," said Lan Huang, Ph.D., Chairman, Chief Executive Officer and Co-Founder of BeyondSpring. "We recently highlighted data from the Plinabulin development program describing its differentiated mechanism of action and positive results from the Phase 2 portion of 105 Study, which together, further articulates the potential of our novel candidate to prevent severe neutropenia with less bone pain and an overall more favorable product profile than G-CSF therapy. We look forward to building on this momentum as we approach key Phase 3 data readouts for CIN and non-small cell lung cancer beginning later this year, advance our early-stage pipeline of immuno-oncology therapies and research activities for our ubiquitination protein degradation research platform, and prepare to initiate Phase 1 trials later this year for multiple triple-combination immuno-oncology programs. We have already started the process of preparing to commercialize in both China and the U.S., including identifying and securing the resources and talent we need to put in place for commercial success for Plinabulin in both markets. With significant upcoming milestones, BeyondSpring is well positioned to transition into a multinational, commercial-stage oncology company."

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Recent Highlights

Data from the Phase 2 portion of Study 105 comparing Plinabulin and Neulasta (pegfilgrastim) for prevention of CIN presented at American Society of Clinical Oncology (ASCO) (Free ASCO Whitepaper) Annual Meeting

In June 2018, results of the Phase 2 portion of Study 105, a prospective Phase 2/3 trial of its lead asset, Plinabulin, were presented by BeyondSpring in a poster session at the ASCO (Free ASCO Whitepaper) Annual Meeting. The Phase 2 portion of Study 105 was designed as a head-to-head comparison of different dose levels of Plinabulin to Neulasta in a total of 55 patients. The Phase 2 portion met its primary endpoint, which was to determine the recommended Phase 3 Plinabulin dose. Data from the study demonstrated that patients treated with Plinabulin dosed 30 minutes after docetaxel for the prevention of docetaxel CIN reported less bone pain, which was clinically meaningful, and had superior neutrophil counts and comparable neutropenia reduction compared to patients treated with Neulasta 24 hours after docetaxel. The data suggested that Plinabulin has the potential to be at least as effective as Neulasta for prevention of CIN, with an overall product profile that could address the limitations of the current standard of care.

Plinabulin mechanism data highlighted at the American Association for Cancer Research (AACR) (Free AACR Whitepaper) Annual Meeting

In April 2018, BeyondSpring presented preclinical data related to Plinabulin’s differentiated mechanism of action at the AACR (Free AACR Whitepaper) annual meeting. The data demonstrated Plinabulin’s novel mechanism in preserving neutrophils in bone marrow after docetaxel chemotherapy treatment – a mechanism that is differentiated from that of G-CSF, which is the current standard of care in the prevention of CIN.

The Company offered shares through a registered direct offering for gross proceeds of $20.0 million

On May 29, 2018, BeyondSpring entered into private placement agreements with certain third-party investors pursuant to which the Company agreed to issue and sell, in a registered direct offering by the Company, an aggregate of 739,095 shares of the Company’s ordinary shares at a purchase price of $27.06 per share, for aggregate gross proceeds of $20.0 million. These investors, including an insurance company and a pharmacy retail chain owner in China, may be strategic to BeyondSpring’s planned commercial initiatives in China.

Edward Dongheng Liu appointed Chief Financial Officer

In March 2018, the Company announced the appointment of Edward Dongheng Liu as Chief Financial Officer. Mr. Liu was a senior banker at J.P. Morgan and Jefferies in Hong Kong, and was a partner and executive director of Epiphron Capital, a cross-border healthcare fund and Series B investor in BeyondSpring.

Financial Results of Three Months Ended March 31, 2018

Research and development (R&D) expenses were $14.1 million for the quarter ended March 31, 2018, compared to $46.7 million for the quarter ended March 31, 2017. R&D expenses for the first quarter of 2017 included a $42.3 million non-cash charge for acquiring the worldwide patent of Plinabulin excluding the People’s Republic of China (PRC) and Hong Kong, which is determined based on the fair value of issued 2,112,963 ordinary shares at $20 per share. Excluding the impact of this purchase, the R&D expense for the quarter ended March 31, 2018 would have increased by $9.7 million, compared to the quarter ended March 31, 2017. This increase is largely attributable to $4.9 million of non-cash share-based compensation expense recorded in the first quarter of 2018, $2.8 million related to increased clinical trial expense and $1.4 million related to increased professional services expense.

General and administrative ("G&A") expenses were $0.7 million for the quarter ended March 31, 2018, compared to $1.0 million for the quarter ended March 31, 2017. First quarter 2018 G&A expenses included a $0.7 million non-cash credit relating to the forfeiture of certain restricted shares.

U.S. GAAP net loss was $14.1 million for the quarter ended March 31, 2018, compared to $47.7 million for the quarter ended March 31, 2017. Net loss for the first quarter ended March 31, 2017, included a $42.3 million non-cash charge for acquiring the worldwide patent of Plinabulin excluding the PRC and Hong Kong.

Cash and short-term investments were $21.5 million at March 31, 2018, compared to $30.6 million at December 31, 2017. The Company anticipates that its current financial resources, including the proceeds from the private placement, would enable it to advance its ongoing clinical trials and submit New Drug Application (NDA) in China for Plinabulin for the treatment of CIN and non-small cell lung cancer in late 2018 or early 2019 and in the first half of 2019, respectively, and to advance its immuno-oncology pipeline, as well as its ubiquitination protein degradation research platform.

Key Upcoming Milestones

The following outlines the Company’s key anticipated upcoming milestones for the next 12 months.

Announce Phase 3 interim analysis data for Study 105 evaluating Plinabulin + docetaxel for CIN – 4Q 2018

Announce topline Phase 2 data for Study 106 evaluating Plinabulin + TAC (Taxotere/Adriamycin/cyclophosphamide) for CIN – late 2018

Announce Phase 3 interim data for Study 103 evaluating Plinabulin + docetaxel for non-small cell lung cancer (NSCLC) – early 2019

Submit NDA to China Food and Drug Administration (CFDA) for Plinabulin for CIN – late 2018/early 2019

Advance two Plinabulin triple-combination immuno-oncology programs into Phase 1 – 2H 2018

Submit NDA to CFDA for Plinabulin for NSCLC – 1H 2019

Advance ubiquitination protein degradation research platform, BPI-001, first target of mutant KRAS, lead asset – 2019

Advance new pipeline asset, BPI-002, an oral CTLA-4 inhibitor, into Phase 1 – 2019

About Plinabulin
Plinabulin, a marine-derived small-molecule, is BeyondSpring’s lead asset and is currently in late-stage clinical development for the prevention of CIN and as an anticancer therapy in NSCLC. Studies of Plinabulin’s mechanism of action indicate that Plinabulin activates GEF-H1, a guanine nucleotide exchange factor. GEF-H1 activates downstream transduction pathways leading to the activation of the protein c-Jun. Activated c-Jun enters the nucleus of dendritic cells to up-regulate immune-related genes, which contributes to the up-regulation of a series of genes leading to dendritic cell maturation, T-cell activation and other effects that prevent neutropenia by reducing the neutrophil breakdown.

Moleculin Receives Approval for Leukemia Clinical Trial

On June 20, 2018 Moleculin Biotech, Inc., (Nasdaq:MBRX) ("Moleculin" or the "Company"), a clinical stage pharmaceutical company focused on the development of oncology drug candidates, all of which are based on license agreements with The University of Texas System on behalf of the M.D. Anderson Cancer Center, reported it has received Polish National Office approval to begin its second Phase I/II clinical trial to study Annamycin for the treatment of relapsed or refractory acute myeloid leukemia ("AML") (Press release, Moleculin, JUN 20, 2018, View Source [SID1234527406]).

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"This approval is a significant step forward to be able to treat additional patients with AML and to generate positive clinical data regarding Annamycin," commented Walter Klemp, Chairman and CEO of Moleculin. "Consent from the Polish National Office was the final step required to allow us to begin recruiting patients for this important trial. Enrollment will begin immediately and we expect patients to commence receiving treatment, at the appropriate dose, in this clinical trial during the second half of this year."

NewLink Genetics Announces Updated Data for Indoximod Plus Radio-Immunotherapy in DIPG to be Presented at ISPNO 2018 Meeting

On June 20, 2018 NewLink Genetics Corporation (NASDAQ:NLNK) reported that updated data for patients with diffuse intrinsic pontine glioma (DIPG) from NLG2105, a Phase 1 study evaluating indoximod in combination with radiation and chemotherapy for the treatment of pediatric patients with progressive brain tumors, will be presented at the International Symposium on Pediatric Neuro-Oncology (ISPNO) in Denver, Colorado (Press release, NewLink Genetics, JUN 20, 2018, View Source [SID1234527407]). The presentation session and time are noted below.

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Poster Session 1: IMMU-25 – Radio-immunotherapy using the IDO pathway inhibitor indoximod for children with newly-diagnosed DIPG, to be presented by Theodore S. Johnson, M.D., Ph.D., Georgia Cancer Center, Augusta University, Sunday, July 1, 5:00PM – 6:30PM MT, Hyatt Regency Denver

About Indoximod
Indoximod is an investigational, orally available small molecule targeting the IDO pathway. The IDO pathway is a key immuno-oncology target involved in regulating the tumor microenvironment and immune escape. Indoximod is being evaluated in combination with treatment regimens including chemotherapy, radiation, checkpoint blockade and cancer vaccines across multiple indications such as AML, DIPG and melanoma.

OncBioMune to Commence Phase 2 Trial of ProscaVax for Early Stage Prostate Cancer Patients

On June 20, 2018 OncBioMune Pharmaceuticals, Inc. (OTCQB:OBMP) ("OncBioMune" or the "Company"), a clinical-stage biopharmaceutical company engaged in the development of a proprietary immunotherapy cancer vaccine technology and targeted cancer therapies, reported to inform shareholders that all requisite approvals have been granted to commence a Phase 2 clinical trial of ProscaVax for early-stage prostate cancer to be hosted at Beth Israel Deaconess Medical Center a teaching hospital of Harvard University Medical School in Boston, MA (Press release, Oncbiomune, JUN 20, 2018, View Source [SID1234527408]).

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ProscaVax is OncBioMune’s lead immunotherapy platform candidate consisting of a combination of prostate cancer associated prostate specific antigen (PSA) with the biological adjuvants interleukin-2 (IL-2) and granulocyte-macrophage colony-stimulating factor (GM-CSF).

Per the study protocol, patients to be enrolled will be in what is termed "active surveillance," a disease management option for patients with localized prostate cancer that elect to work with their doctor to monitor the disease for progression before taking more drastic intervention measures, such as surgery or radiotherapy. To the Company’s knowledge, the trial of ProscaVax is the first ever worldwide for a prostate cancer vaccine technology addressing the active surveillance patient population.

"We are making the final preparations to initiate enrollment, including planned site visits," commented Dr. Jonathan Head, Chief Executive Officer at OncBioMune. "Underscored by the compelling data derived from the successfully completed Phase 1a clinical trial and our other research, we are eager to proceed with this study. Our goal is simple: to provide a safe, nontoxic. front-line therapy for prostate cancer patients that are otherwise left with either no therapy or with much more invasive options that typically have very unpleasant side effects, such as impotence or urinary incontinence. I’d like to express my gratitude for all the shareholders that have supported us throughout the process to advance our company to this next stage of ProscaVax development. I believe there is a bright future ahead of us."

Concurrent with the Phase 2 trial of patients in active surveillance, the Company is undergoing the approval process to initiate a Phase 2 trial of ProscaVax in hormone-naïve recurrent prostate cancer patients with increasing PSA at theUrology Clinics of North Texas. More updates on the status of this study are expected soon.

About Prostate Cancer

According to the American Cancer Society (ACS), prostate cancer is the most common type of cancer in men other than skin cancer, with about 1 in 9 men diagnosed during their lifetime. ACS estimates that about 164,690 new cases of prostate cancer will be diagnosed during 2018 and approximately 29,430 men will die from the disease this year. Prostate cancer is the second leading cause of cancer death in men, trailing only lung cancer. Approximately 2.9 million men are living with prostate cancer today. The average age of diagnosis is 66, with the disease considered rare in men under the age of 40.