SAN FRANCISCO, May 29, 2020 (GLOBE NEWSWIRE) -- Vir Biotechnology, Inc. (Nasdaq: VIR) today announced that is has finalized a process development and manufacturing agreement with Biogen Inc. (Nasdaq: BIIB) based on the letter of intent that the companies announced in March. Under the agreement Biogen will perform process development activities and specified manufacturing and process transfer services to enable commercial supply of Vir’s SARS-CoV-2 monoclonal antibodies.
“Biogen’s world-class cell line and process development expertise is a tremendous asset as we work with great urgency to develop our antibody candidates, including employing technology that is designed to maximize the yield of each manufacturing batch produced,” said Michael Kamarck, Ph.D., Chief Technology Officer of Vir. “The willingness of both Vir and Biogen to begin work before the definitive agreement was in place exemplifies our shared commitment to working in unconventional ways in the interest of the public good, and mutual recognition that bringing these therapies to people at the speed and scale that is needed requires the combined resources of multiple collaboration partners and significant manufacturing capacity.”
Vir’s SARS-CoV-2 antibody development candidates, VIR-7831 and VIR-7832, have demonstrated high affinity for the SARS-CoV-2 spike protein and the ability to neutralize SARS-CoV-2 in live-virus cellular assays. The execution of this definitive agreement allows Vir to advance the development of its antibody candidates and complements its existing manufacturing agreements with WuXi Biologics (stock code: 2269.HK) and Samsung Biologics Co., Ltd. (207940.KS).
Under the terms of the agreement, Biogen and Vir will collaborate to develop highly productive clonal cell lines and clinical and commercial manufacturing processes for Vir’s SARS-CoV-2 antibody candidates. These processes are designed to be transferrable to global biomanufacturing facilities designed for advanced biologics production. As part of the agreement, Vir has contracted with Biogen to conduct cGMP clinical manufacturing in the U.S. and provide technical support to facilitate rapid process transfer to Samsung Biologics, and potentially other large-scale biomanufacturing facilities in the U.S. and all other regions of the globe in order to provide reliable supply of a potential commercial product.
VIR-7831 is a monoclonal antibody that has demonstrated the ability to neutralize SARS-CoV-2 live virus in vitro. The antibody binds to an epitope on SARS-CoV-2 that is shared with SARS-CoV-1 (also known as SARS), indicating that the epitope is highly conserved, which may make it more difficult for escape mutants to develop. VIR-7831 has been engineered to have an extended half-life.
VIR-7832 is a monoclonal antibody that has demonstrated the ability to neutralize SARS-CoV-2 live virus in vitro. The antibody binds to an epitope on SARS-CoV-2 that is shared with SARS-CoV-1 (also known as SARS), indicating that the epitope is highly conserved, which may make it more difficult for escape mutants to develop. VIR-7832 has been engineered to have an extended half-life and to potentially function as a T cell vaccine.
About Vir’s Antibody Platform
Vir has a robust method for capitalizing on unusually successful immune responses naturally occurring in people who are protected from, or have recovered from, infectious diseases. The platform is used to identify rare antibodies from survivors that have the potential to treat and prevent rapidly evolving and/or previously untreatable pathogens via direct pathogen neutralization and immune system stimulation. Vir engineers the fully human antibodies that it discovers to enhance their therapeutic potential. This platform has been used to identify and develop antibodies for pathogens including Ebola (mAb114, currently in use in the Democratic Republic of Congo), hepatitis B virus, influenza A, malaria and others.
About Vir Biotechnology
Vir Biotechnology is a clinical-stage immunology company focused on combining immunologic insights with cutting-edge technologies to treat and prevent serious infectious diseases. Vir has assembled four technology platforms that are designed to stimulate and enhance the immune system by exploiting critical observations of natural immune processes. Its current development pipeline consists of product candidates targeting hepatitis B virus, influenza A, SARS-CoV-2, human immunodeficiency virus and tuberculosis. For more information, please visit www.vir.bio.
This press release contains forward-looking statements within the meaning of the Private Securities Litigation Reform Act of 1995. Words such as “may,” “will,” “could,” “expect,” “plan,” “anticipate,” “believe,” “estimate,” “goal,” “intend,” “potential,” “candidate,” “continuing,” “developing” and similar expressions (as well as other words or expressions referencing future events, conditions or circumstances) are intended to identify forward-looking statements. These forward-looking statements are based on Vir’s expectations and assumptions as of the date of this press release. Each of these forward-looking statements involves risks and uncertainties. Actual results may differ materially from these forward-looking statements. Forward-looking statements contained in this press release include statements regarding the potential benefits of Vir’s collaboration with Biogen, the timing and scale of manufacturing activities, the demand for antibody therapies, the timing of commencement of clinical trials for VIR-7831 and VIR-7832, Vir’s ability to address the current COVID-19 pandemic and future outbreaks of the disease, the ability of VIR-7831 and VIR-7832 to neutralize the SARS-CoV-2 virus, Vir’s efforts to identify additional antibodies, as well as statements about the highly conserved nature of VIR-7831 and VIR-7832 making it more difficult for escape mutants to develop. Many factors may cause differences between current expectations and actual results including unexpected results during clinical trials, difficulties in obtaining regulatory approval, clinical site activation rates or clinical trial enrollment rates that are lower than expected, changes in expected or existing competition, delays or disruptions in the Vir’s business or clinical trials due to the COVID-19 pandemic, unexpected litigation or other disputes, challenges in neutralizing SARS-CoV-2, difficulty in collaborating with other companies or government agencies, and challenges in accessing manufacturing capacity. Other factors that may cause actual results to differ from those expressed or implied in the forward-looking statements in this press release are discussed in Vir’s filings with the U.S. Securities and Exchange Commission, including the section titled “Risk Factors” contained therein. Except as required by law, Vir assumes no obligation to update any forward-looking statements contained herein to reflect any change in expectations, even as new information becomes available.
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