SillaJen and ABL Europe Expand Strategic Manufacturing Collaboration for Oncolytic Virus Therapies

SAN FRANCISCO and STRASBOURG, France, Jan. 22, 2018 /PRNewswire/ -- SillaJen, Inc., (KOSDAQ:215600), a clinical-stage, biotherapeutics company focused on the development of oncolytic immunotherapy products for cancer, and ABL Europe, an ABL, Inc. company providing dedicated viral vector GMP services for gene therapy , oncolytic products and vaccines for all stages of clinical supply, have expanded their strategic manufacturing collaboration. Under the current agreement, ABL is currently manufacturing Pexa-Vec (formerly JX-594) for SillaJen's multinational, randomized Phase 3, open-label study of Pexa-Vec in patients with advanced liver cancer. Under the expanded agreement, ABL will also provide development, manufacturing & QC release testing services for SillaJen's pipeline product, JX-970.   

"Based on SillaJen's established partnership with ABL, we are pleased to further expand our agreement to include another exciting product in our pipeline," stated Georg Roth, Ph.D, Senior Vice President, Technical Operations at SillaJen.  "ABL has significant experience in virus manufacturing, and we are glad to be able to utilize their expertise in order to continue to expedite the development of these important oncolytic virus therapies."

"We are excited about the significant potential of SillaJen's oncolytic immunotherapy products and are pleased to further expand our agreement with an additional product," stated Patrick Mahieux, Ph.D., General Manager of ABL Europe. "Our primary focus is ultimately to safely help patients in need, and so we look forward to applying our twenty-plus years of experience in virus manufacturing to these exciting oncolytic products."

Pexa-Vec Clinical Development Program and SOLVE Platform
Pexa-Vec is the most advanced product candidate from SillaJen's proprietary SOLVE™ (Selective Oncolytic Vaccinia Engineering) platform. The vaccinia strain backbone of Pexa-Vec has been used safely in millions of people as part of a worldwide vaccination program. This strain naturally targets cancer cells due to common genetic defects in cancer cells; Pexa-Vec was engineered to enhance this by deleting its thymidine kinase (TK) gene, thus making it dependent on the cellular TK expressed at persistently high levels in cancer cells. Pexa-Vec is also engineered to express the immunogenic GM-CSF protein. GM-CSF complements the cancer cell lysis of the product candidate, leading to a cascade of events resulting in tumor necrosis, tumor vasculature shutdown and sustained anti-tumoral immune attack.

The ongoing Phase 3 study, named the PHOCUS trial, is designed to enroll 600 patients who have not received prior systemic treatment for their cancer. To learn more about the trial, please visit: http://www.pexavectrials.com/.

About JX-970
JX-970 is an oncolytic virus that is derived from a Western Reserve strain vaccinia virus, and its tumor selectivity has been optimized through deletion of thymidine kinase (TK) and vaccinia growth factor (VGF). In addition, it expresses GM-CSF to stimulate immune responses. In nonclinical studies, the JX-970 backbone exerted a tumor debulking effect and at the same time demonstrated a selective preference for tumor tissues.

About ABL Europe
ABL Europe, a CDMO company subsidiary of ABL, Inc., under the corporate ownership of Institut Mérieux, offers clinical and commercial scale GMP manufacturing for supply of gene therapy, oncolytic and vaccine products.  From its state-of-the-art GMP facility located in Strasbourg, France, ABL Europe's aseptic processing capabilities for drug substance and drug product, includes single use bioreactors (SUB) <500L, adherent capacity in roller bottles or stack < 90 m2 and automated filling using a rigid isolator. Additional information about ABL is available at www.ablinc.com

About SillaJen
SillaJen, Inc. is a South Korean based biotechnology company headquartered in Busan South Korea, with satellite offices in Seoul, South Korea and San Francisco, CA.  The company is focused on the development and commercialization of oncolytic immunotherapy products using the SOLVE^TM platform, including its lead product Pexa-Vec, which is currently in Phase 3 trials for the treatment of advanced primary liver cancer. Additional information about SillaJen is available at www.sillajen.com.

Disclaimer Language:
This press release contains certain forward-looking statements regarding, among other things, statements relating to goals, plans and projections regarding the Company's financial position, results of operations, market position, product development and business strategy. Such forward-looking statements are based on current expectations and involve inherent risks and uncertainties, including factors that could delay, divert or change any of them, and could cause actual outcomes and results to differ materially from current expectations. No forward-looking statements can be guaranteed and actual results may differ materially from such statements. The information in this release is provided only as of the date of this release, and SillaJen undertakes no obligation to update any forward-looking statements contained in this release on account of new information, future events, or otherwise, except as required by law.

SOURCE SillaJen, Inc.

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