On December 21, 2016 Circle Pharma, Inc. reported a Series A financing round in which it has issued over $4.5M of shares of Series A Preferred Stock (Press release, Circle Pharma, DEC 21, 2016, View Source [SID1234635669]). The financing was led by Mission Bay Capital, with Pfizer Inc. (NYSE:PFE), ShangPharma Investment Group, Ltd. and a syndicated group of individual investors joining the round. In connection with the financing, Walter H. Moos, Ph.D., representing ShangPharma, has joined the Circle Board of Directors.

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"We are delighted with the participation of such high caliber investors in our first equity round," said David J. Earp, J.D., Ph.D., Circle’s president and CEO. "With our seed funding, we established Circle’s computational design platform, advanced our synthetic chemistry capabilities in collaboration with ChemPartner, and engaged in a target-based collaboration with Pfizer. The Series A funds will be used to support Circle’s therapeutic pipeline, which is focused on intracellular protein-protein interactions that are key drivers in oncogenic pathways. We are also now building a physical library of cell- permeable macrocycles to augment our computational design tools, and this library will later be available to our collaboration partners. We are particularly excited to welcome Walter Moos to our Board of Directors. Dr. Moos brings a wealth of life sciences R&D experience, having served most recently as the president of SRI Biosciences and previously in senior executive roles at MitoKor, Chiron and Warner-Lambert/Parke-Davis. His teams have advanced numerous pharmaceutical products from discovery to commercialization, and we are fortunate to have him join Circle."

"I am very much looking forward to taking an active role on Circle’s board," said Walter Moos. "The combination of innovative technology and the great team at Circle could help unlock high value targets that have long been considered out of reach of drug developers."

Dr. Moos has served on about 20 business and scientific boards, including Amunix, Oncologic (Aduro), Onyx (Amgen), Rigel and the Biotechnology Industry Organization (BIO).

About Macrocyclic Peptides

Macrocyclic peptides have the potential to allow drug developers to address the large proportion of known therapeutic targets (estimated at up to 80%) that are considered undruggable with conventional small molecule or biologic modalities. In particular, there is great interest in developing macrocycles to modulate protein-protein interactions, which play a role in almost all disease conditions, including cancer, fibrosis, inflammation and infection. However, the development of macrocyclic therapeutics has been limited by the need for a greater understanding of how to develop macrocycles with appropriate pharmacokinetics, cell permeability and oral bioavailability. Circle’s ability to design potent macrocycles with intrinsic cell permeability could unlock access to challenging, high value therapeutic targets that have been out of reach to other approaches.

On December 12, 2016 Triphase Accelerator Corporation, a private drug development company dedicated to advancing novel compounds through Phase 2 proof-of-concept, reported a new strategic collaboration with Celgene Corporation (Press release, Triphase Accelerator, DEC 21, 2016, View Source [SID1234529641]). Under the Agreement, Celgene has an option to acquire all Triphase Accelerator’s assets relating to TRPH-222 (CD22-4AP), an antibody-drug conjugate in development for lymphoma.

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Pursuant to the Agreement, Triphase Accelerator received an upfront payment from Celgene. Triphase Accelerator will control development and will retain all commercial rights to TRPH-222 (CD22-4AP). If Celgene exercises its option to acquire TRPH-222 (CD22-4AP), Celgene will become responsible for development and commercialization, and Triphase Accelerator will be eligible to receive development, regulatory and sales milestone payments. This is the third product option deal between Triphase Accelerator and Celgene.

"This collaboration is important to Triphase Accelerator in multiple ways. First, it continues to solidify the relationship we have developed over time with Celgene. They have been a valued collaborator to us and we are grateful. Just as importantly, it continues to validate our business model of acquiring early-stage assets and applying our methodology to accelerate programs through the proof-of-concept phase and into the clinic," said Mohit Trikha, Ph.D., chief scientific officer, Head of Triphase Accelerator. "As we continue to acquire and develop new assets, we look forward to finding new ways to demonstrate how our approach is uniquely science based, efficient, and cost-effective, with the ultimate goal to help patients."

TRPH-222 is a novel, site-specific antibody-drug conjugate (ADC) targeting CD22, a B-cell-restricted sialogycoprotein that is an important modulator of B-cell signaling and survival, which is expressed on nearly all B-cell malignancies. CD22 is a validated ADC target for Non-Hodgkin’s lymphoma and acute lymphoid leukemia. The compound itself combines a site-specific modified humanized antibody conjugated to a toxin payload and a 4AP linker.

"We have enjoyed a long-standing relationship with Triphase Accelerator and believe in their approach to drug development," said Celgene’s President of Hematology Oncology, Michael Pehl. "This latest agreement, which closely follows our acquisition of their marizomib asset, represents our confidence in their approach to drug development, and we look forward to a continued collaboration with the company."

On December 21, 2016 Exosome Diagnostics, Inc. reported data that sets a new standard for EGFR-T790M resistance mutation detection in lung cancer, with the highest sensitivity reported to date (Press release, Exosome Diagnostics, DEC 21, 2016, View Source [SID1234517160]). This test is being developed to improve care and outcomes for the large population of patients who can benefit from second line EGFR Tyrosine Kinase Inhibitor (TKI) therapy but are missed with currently available tissue and liquid biopsy tests. Clinical validation data from a cohort of 160 patients, the largest of its kind in this patient population, was presented in plenary session during the recent AACR (Free AACR Whitepaper)-EORTC-NCI meeting in Munich, Germany. ExoDx Lung(T790M) has been optimally designed for ExosomeDx’s high throughput biomarker testing platform that is being deployed in 2017.

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Twenty percent of non-small cell lung cancer (NSCLC) patients test positive for an EGFR driver mutation (approximately 45,000 patients in the U.S. alone) and receive EGFR TKI therapy. Unfortunately, most will develop a resistance to EGFR TKI therapy. Tissue biopsies are the current standard for identifying T790M resistance. If a patient tests positive, they are eligible for treatment with a second line EGFR TKI therapy. Unfortunately, a tissue biopsy is not always a viable option for a large percentage of these patients.

Non-invasive liquid biopsies have emerged as a viable alternative for patients unable to have tissue biopsy procedure. Clinical studies have demonstrated that the FDA approved cobas test for liquid biopsy, only identifies 59% of patients who will respond to a second line EGFR TKI therapy. This is a direct result of lack of sensitivity and inability to test challenging intrathoracic disease. By analyzing exosomal RNA (exoRNA) and cell free tumor DNA (ctDNA) from the same sample Exosome Dx addresses current limitations by identifying 96% of the T790M positive population, with no loss of sensitivity in patients with intrathoracic disease.

"EGFR T790M mutations have previously been challenging for liquid biopsy assays. In this clinical study, we show that ExoDx Lung(T790M) has a higher clinical sensitivity and specificity than what has been reported to date for the FDA cleared test distributed by Roche. This study further demonstrates the power of our ExoLution Plus platform that combines exoRNA plus ctDNA. This result was not surprising since we have shown superior performance to ctDNA across several disease states in blinded head to head studies. Clinical samples are precious so we are thrilled to be able to offer a more sensitive test that take both exoRNA and ctDNA into consideration,"stated Dr. Johan Skog, Chief Scientific Officer at Exosome Diagnostics.
The test is the latest in a series of biofluids based diagnostic and companion diagnostic biomarker tests being developed by Exosome Diagnostics to potentially aid in therapy selection and patient monitoring in oncology and other diseases.

To assure future access to the company’s novel biomarker tests worldwide, Exosome Diagnostics also announced that it has developed a high throughput version of its proprietary ExoLution Plus system to prepare samples that can be analyzed with exoRNA and cfDNA analysis test kits. This system utilizes Exosome Diagnostics’ patented technology and has been developed with high throughput capability to be integrated with leading clinical laboratory analytical systems including those marketed by Roche and Thermo Fisher

"This data illustrates one of the many indications for which Exosome Diagnostics can leverage its extremely sensitive liquid biopsy technology to improve patients’ lives by guiding therapy, where other technologies could not in a reliable fashion" stated John Boyce, President and CEO of Exosome Diagnostics. "Exosome Diagnostics has proven that its technology is extremely robust and can scale on a variety of existing commercial platforms in diagnostic laboratories," Boyce continued.