On December 6, 2017 Roche (SIX: RO, ROG; OTCQX: RHHBY) reported that the U.S. Food and Drug Administration (FDA) has granted full approval for Avastin (bevacizumab) for the treatment of adults with glioblastoma that progressed following prior therapy (referred to as recurrent disease) (Press release, Hoffmann-La Roche, DEC 6, 2017, View Source [SID1234522404]). Avastin was previously granted provisional approval in this setting under the FDA’s accelerated approval program.

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"Glioblastoma is the most common and aggressive form of brain cancer and can be very difficult to treat," said Sandra Horning, M.D., chief medical officer and head of Global Product Development. "Delaying disease progression and reducing the need for corticosteroids over the course of treatment are considered important goals for those impacted by this devastating disease where patients have limited treatment options."
This conversion to full approval was based on the totality of evidence of Avastin in glioblastoma, including data from the Phase III EORTC 26101 study. Avastin is now approved in the United States for nine distinct uses across six different types of cancer.

About the EORTC 26101 Study

EORTC 26101 is an independent Phase III, multicenter, randomized, open-label trial, conducted by the European Organization for Research and Treatment of Cancer (EORTC), which evaluated the addition of Avastin to lomustine chemotherapy in 432 patients with previously treated glioblastoma. The primary endpoint of the study was overall survival (OS), and progression-free survival (PFS) as assessed by investigator and overall response rate (ORR) were key secondary endpoints. Results showed the following:

There was no significant increase in OS with Avastin-based treatment (HR=0.91, p=0.4578).
As the primary endpoint was not met, all secondary endpoints should be considered descriptive only.

Avastin-based treatment increased the time to disease progression or death compared to chemotherapy alone (median PFS: 4.2 months vs. 1.5 months, HR=0.52, 95% CI: 0.41-0.64).

Among people taking corticosteroids at baseline (50 percent), more people were able to completely stop intake of corticosteroids while on treatment in the Avastin arm compared to the control arm (23 percent vs. 12 percent).

In the Avastin with lomustine arm, 22 percent of people discontinued treatment due to adverse reactions compared with 10 percent of people in the lomustine arm.

Adverse events were consistent with those seen in previous trials of Avastin across tumor types for approved indications.

About Glioblastoma

Glioma (cancer of the glial cells) is the most common type of malignant primary brain tumor (a tumor that originates in the brain), and represents nearly one-fourth of all primary brain tumors and three-fourths of all malignant tumors1. Glioblastoma (or glioblastoma multiforme) is the most common and the most aggressive type of glioma, accounting for more than half of all gliomas. It is estimated that more than 12,300 people will be diagnosed with glioblastoma in the United States in 20171.

About Avastin

With the initial approval in the United States for advanced colorectal cancer in 2004, Avastin became the first anti-angiogenic therapy made widely available for the treatment of patients with an advanced cancer.

Today, Avastin is continuing to transform cancer care through its proven survival benefit (overall survival and/or progression free survival) across several types of cancer. Avastin is approved in Europe for the treatment of advanced stages of breast cancer, colorectal cancer, non-small cell lung cancer, kidney cancer, ovarian cancer and cervical cancer, and is available in the United States for the treatment of colorectal cancer, non-small cell lung cancer, kidney cancer, cervical cancer and recurrent, platinum-resistant and platinum-sensitive ovarian cancer. In addition, Avastin is approved over 70 other countries worldwide for the treatment of patients with progressive glioblastoma following prior therapy. Avastin is approved in Japan for the treatment of the advanced stages of colorectal cancer, non-small cell lung cancer, cervical cancer, breast cancer, ovarian cancer and malignant glioma, including newly diagnosed glioblastoma.

Avastin has made anti-angiogenic therapy a fundamental pillar of cancer treatment today. Over 2.7 million patients have been treated with Avastin so far. A comprehensive clinical programme with more than 300 ongoing clinical trials is investigating the use of Avastin in over 50 tumour types.

On December 6, 2017 Ayala Pharmaceuticals, a biopharmaceutical company dedicated to developing targeted cancer therapies, reported that they have entered into an exclusive worldwide license agreement with Bristol-Myers Squibb for two gamma secretase inhibitors in development for the treatment of cancers with altered Notch genes (Press release, Ayala Pharmaceuticals, DEC 6, 2017, View Source [SID1234522417]).

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Under the terms of the license agreement, Ayala will have exclusive worldwide development and commercialization rights for BMS-906024 and BMS-986115, two gamma secretase inhibitors previously developed by BMS as a Notch inhibitor for oncology indications. In connection with the license, BMS received an upfront payment, became a shareholder of Ayala, and is eligible to receive certain development, regulatory, and sales-based milestones, as well as tiered annual net sales royalties. Ayala is responsible for all future development and commercialization of BMS-906024 and BMS-986115.

Israel Biotech Fund identified the opportunity, led the due diligence and syndicated with aMoon and Harel Insurance in 2017 to form Ayala. The new company intends to develop BMS-906024 as a precision medicine for niche orphan patient populations harboring Notch activating mutations.

"We believe BMS-906024 is the best in class gamma secretase inhibitor," said Ayala’s Chairman of the Board of Directors, David Sidransky, MD. "Although most Notch targeted clinical trials have traditionally recruited non-selected populations, our approach is to target patients with specific Notch alterations whose tumors are expected to respond directly to this treatment." Dr. Sidransky is a Co-Founder and Managing Partner of Israel Biotech Fund. He was Vice Chairman of ImClone Systems until its acquisition by Eli Lilly and the chairman and board member of several NASDAQ listed biotech companies.

"This is an exciting opportunity in personalized therapy for Oncology, bringing new hope to cancer patients with no approved treatment options," said Roni Mamluk, PhD, CEO at Ayala. "We plan to initiate phase 2 clinical trials in 2018." Roni Mamluk, is the former CEO of Chiasma and a member of its board of directors.

"Partnering with Ayala allows for the continued development of BMS-906024 and BMS-986115 and demonstrates our commitment to seeking opportunities that enable the continued development of drug candidates that might benefit certain patients," said Tim Reilly, Vice President, Head of Early Oncology Development at BMS. "Dr. Sidransky and Ayala are strategically positioned to focus their resources on the targeted development of these candidates for the treatment of cancers with altered Notch genes."

On December 6, 2017 Prometic Life Sciences Inc. (TSX: PLI) (OTCQX: PFSCF) (Prometic) reported that it will have two presentations at the 59th American Society of Hematology (ASH) (Free ASH Whitepaper) Annual Meeting being held Dec. 9-12, 2017 in Atlanta (Press release, ProMetic Life Sciences, DEC 6, 2017, View Source [SID1234522398]).

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An oral presentation, entitled, "Pivotal Trial with Intravenous Plasminogen Replacement in Patients with Plasminogen Deficiency Demonstrates Long-Term Efficacy for Treatment and Prevention of Ligneous Lesions" will be presented by Dr. Charles T. Nakar, Indiana Hemophilia and Thrombosis Center. During the oral session, Dr. Nakar will present 48-week data demonstrating the long-term safety and efficacy of intravenous plasminogen replacement (RyplazimTM) in patients with plasminogen deficiency.

A poster presentation, entitled, "Computer Modeling Using Historical Data Demonstrates a Significant Reduction in Expected Extravascular Fibrinous Lesions Due to Congenital Plasminogen Deficiency While Receiving Intravenous Plasminogen Replacement" will be presented by Dr. Joseph M. Parker, Senior Director of clinical development of Prometic. Dr. Parker will present a poster of historical data computer modeling highlighting the significant treatment effect of RyplazimTM in reducing the extravascular ligneous lesions in pediatric and adult subjects with plasminogen deficiency.

"Data from these presentations demonstrates the remarkable safety and efficacy profile of plasminogen treatment we have observed to date," said Pierre Laurin, Chief Executive Officer at Prometic. "No currently-available treatment options have demonstrated a complete resolution of lesions in patients with plasminogen deficiency. We are continuing to work closely with the FDA with the goal of making our plasminogen replacement therapy available to patients as soon as possible."

Details of the oral presentation are as follows:

Presentation Title: Pivotal Trial with Intravenous Plasminogen Replacement in Patients with Plasminogen Deficiency Demonstrates Long-Term Efficacy for Treatment and Prevention of Ligneous Lesions

Presenter: Charles T. Nakar, M.D.

Session Title: Disorders of Coagulation or Fibrinolysis: Novel Therapies and Clinical Trials in Bleeding Disorders
Date/Time: Saturday, December 9, 2017 at 9:30 a.m. EST
Room: Georgia World Congress Center, Bldg B, Lvl 2, B207-B208

Details of the poster presentation are as follows:

Presentation Title: Computer Modeling Using Historical Data Demonstrates a Significant Reduction in Expected Extravascular Fibrinous Lesions Due to Congenital Plasminogen Deficiency While Receiving Intravenous Plasminogen (PLG) Replacement

Presenter: Joseph M. Parker, M.D.
Session Title: Disorders of Coagulation or Fibrinolysis: Poster II
Date/Time: Sunday, December 10, 2017 from 6:00 p.m. to 8:00 p.m. EST
Room: Georgia World Congress Center, Bldg A, Lvl 1, Hall A2

On December 6, 2017 Synaffix BV, a biotechnology company that has developed a proprietary site-specific conjugation platform technology to enable differentiated antibody-drug conjugates (ADCs), reported the launch of a new platform of highly potent cytotoxic ADC payloads that will­­ be integrated into its existing ADC platform (Press release, Synaffix, DEC 6, 2017, View Source [SID1234522419]). With this expansion, Synaffix becomes a one-stop provider for technologies required to rapidly translate antibodies into proprietary ADC products.

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The new toxSYN platform consists of four highly potent payloads, which offer multiple mechanisms of action and a viable path for commercialization when combined with the components of the company’s GlycoConnect and HydraSpace technologies:

Syneamicin functionalized calicheamicin (DNA damaging agent)
SYN-38 functionalized SN-38 (topoisomerase 2 inhibitor)
Synstatin E functionalized auristatin E (microtubule inhibitor)
Syntansine functionalized maytansine (microtubule inhibitor)
All the payloads have been clinically validated with well-known efficacy and safety profiles, and were selected to address the two types of biologies that exist across ADC targets which include rapidly-dividing cancer cells as well as quiescent cells, such as cancer stem cells.

"We expect this important expansion of our ADC technology to further advance our internal research and facilitate collaborations with a much broader set of companies" said Peter van de Sande, CEO of Synaffix. "By providing these four distinct payloads through our new toxSYN platform, we can now enable any company with an existing antibody to rapidly establish a highly-competitive clinical-stage ADC program for its own development pipeline."

About Synaffix Site-Specific ADC Platform Technology

The growing experience of Synaffix and its collaboration partners continues to confirm the ability of our conjugation platform technology to consistently generate ADCs that are more effective and better tolerated when compared to all three major clinical-stage ADC conjugation technologies. The proprietary conjugation technology platform of Synaffix is comprised of GlycoConnect, the site-specific and stable antibody conjugation technology that involves proprietary enzymes and metal-free click conjugation components, and HydraSpace, the highly polar ADC-enhancing spacer technology.

GlycoConnect was shown to be capable of significantly enhancing the therapeutic index of an ADC on its own. The highly polar properties of HydraSpace improve the solubility and stability of the payload and the resulting ADC product, thus enhancing further the therapeutic index of the ADC.

Both technologies have demonstrated compatibility with all ADC payload classes and all IgG isotypes and can be applied directly to an existing antibody without any DNA and or protein engineering.

On December 5, 2017 Mateon Therapeutics, Inc. (OTCQX:MATN), a biopharmaceutical company developing investigational drugs for the treatment of orphan oncology indications, reported new preliminary data in a mouse model of colon cancer indicating that reductions in tumor volume after treatment with CA4P and anti-CTLA-4 combination therapy are associated with an enhanced immune response (Press release, Mateon Therapeutics, DEC 5, 2017, View Source [SID1234522393]). CA4P induces immediate, rapid and extensive tumor cell necrosis which can stimulate the immune system, while antibodies to CTLA-4 stimulate the immune system through a different mechanism, by blocking immunosuppression (which is the same mechanism used by the approved drug marketed under the trade name Yervoy).

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"We are excited about the possibility of using CA4P to improve patient responses to checkpoint inhibitors, which have shown significant but nevertheless limited therapeutic benefits as monotherapy," said William D. Schwieterman, M.D., President and CEO of Mateon Therapeutics. "While the direct clinical benefits of CA4P alone as an anti-cancer agent are limited, these initial data indicate the promise of this agent to stimulate the immune system and enhance the efficacy of checkpoint inhibitors – an exciting and rapidly emerging field of oncology where our unique approach may offer a distinct advantage."

Mateon previously reported data from a CT-26 colon cancer animal model showing that combination treatment with CA4P and anti-CTLA-4 causes large reductions in tumor volume and statistically significant improvements in survival when compared to anti-CTLA-4 alone, CA4P alone, or vehicle control. Similar anti-tumor effects were observed when this combination was studied in an EMT-6 mammary tumor animal model. The CT-26 model was repeated for the studies reported today, again showing large reductions in tumor volume with combination therapy. This repeat study also captured additional data on immune response, with preliminary data showing increases in the median number of tumor-associated white blood cells (WBC’s) (69.2K vs. 39.0K vs. 16.7K for CA4P plus anti-CTLA-4, anti-CTLA-4 alone and vehicle control, respectively), T cells (5.2K vs. 1.6K vs. 1.8K), and effector cytotoxic CD8+ T Cells (2.0K vs. 0.8K vs. 0.5K), indicating a heightened immunologic response to the tumor in the presence of the two-drug combination. Importantly, treatment with both CA4P and anti-CTLA-4 generally maintains an elevated tumor-associated median effector T cell/regulatory T cell ratio, which also indicates a heightened immune response. Work to further characterize the immune response seen with the combination is ongoing.