GSK and Vir Biotechnology Announce United States Government Agreements to Purchase Sotrovimab, a COVID-19 Treatment
– US government contracts for approximately $1 billion1 (USD) now in place to purchase sotrovimab, further expanding access nationwide –
– This brings the total number of doses secured through binding agreements to more than 750,000 globally –
– Final data from the COMET-ICE Phase 3 trial showed sotrovimab reduces hospitalization and risk of death by 79% in adults with mild-to-moderate COVID-19 who are at high risk of progression to severe disease –
– In vitro data indicate sotrovimab maintains activity against the Delta variant of concern and other variants being monitored –
LONDON and SAN FRANCISCO, Nov. 17, 2021 (GLOBE NEWSWIRE) -- GlaxoSmithKline plc (LSE/NYSE: GSK) and Vir Biotechnology, Inc. (Nasdaq: VIR) today announced US government contracts totaling approximately $1 billion1 (USD) to purchase sotrovimab, an investigational monoclonal antibody for the early treatment of COVID-19, which the US Food and Drug Administration (FDA) granted Emergency Use Authorization (EUA) in May 2021. GSK will supply these doses to the US government by December 17, 2021, enabling further expanded nationwide access to sotrovimab for patients.
In addition to the doses that will be supplied this year, the US government will have the option to purchase additional doses through March 2022.
Including the contracts announced today, GSK and Vir have received binding agreements for the sale of more than 750,000 doses of sotrovimab worldwide, with additional doses reserved through other agreements including the previously announced Joint Procurement Agreement with the European Commission.
Sotrovimab is an FDA EUA-authorized investigational single-dose intravenous (IV) infusion SARS-CoV-2 monoclonal antibody. Under the EUA, sotrovimab can be used for the treatment of mild-to-moderate COVID-19 in adults and pediatric patients (12 years of age and older weighing at least 40 kg) with positive test results for COVID-19, and who are at high risk for progression to severe COVID-19, including hospitalization or death.
Dr. Hal Barron, Chief Scientific Officer and President R&D, GSK, said: “Given the large number of patients who continue to become ill with COVID-19 across many regions in the US, there is an ongoing need for access to effective treatments. We are proud to work with the US government to help make sotrovimab available for these patients.”
George Scangos, Ph.D., Chief Executive Officer of Vir, said: “Monoclonal antibodies play an essential role in the treatment of certain patients with COVID-19, and we’re grateful that this agreement will allow more healthcare providers and patients who are at high risk for progression to severe COVID-19 to access sotrovimab. Given ongoing evidence, which demonstrates its ability to maintain activity against the tested circulating variants of concern, including Delta, we are confident sotrovimab will continue to be important in the fight against COVID-19.”
The US government purchase was funded by the Biomedical Advanced Research and Development Authority (BARDA), part of the U.S. Department of Health and Human Services Office of the Assistant Secretary for Preparedness and Response through Department of Defense – contract numbers W58P0521C0008 and W58P0522C0002.
In June 2021, GSK and Vir announced confirmatory full results for the COMET-ICE Phase 3 trial, which resulted in a 79% reduction (adjusted relative risk reduction) (p<0.001) in hospitalizations for more than 24 hours or death due to any cause by Day 29 compared to placebo, meeting the primary endpoint of the trial.
The companies also recently announced headline data from the randomized, multi-center, open-label COMET-TAIL Phase 3 trial, which achieved its primary endpoint, demonstrating intramuscular (IM) administration of sotrovimab was non-inferior to IV administration for the early treatment of mild-to-moderate COVID-19 in high-risk, non-hospitalized adults and adolescents (12 years of age and older). The companies plan to progress regulatory submissions globally.
GSK and Vir are committed to ongoing evaluation of sotrovimab as the COVID-19 landscape continues to evolve at different rates across the globe and new variants of concern and interest emerge. Updated in vitro data, published in bioRxiv, demonstrate that sotrovimab retains activity against all current variants of concern and interest of the SARS-CoV-2 virus as defined by the World Health Organization, plus others, including, but not limited to, Delta (B.1.617.2), Delta Plus (AY.1 or AY.2) and Mu (B.1.621).
About global access to sotrovimab
About the sotrovimab clinical development program
The following is a summary of information for sotrovimab. Healthcare providers in the U.S. should review the Fact Sheets for information about the authorized use of sotrovimab and mandatory requirements of the EUA. Please see the FDA Letter of Authorization, full Fact Sheet for Healthcare Providers and full Fact Sheet for Patients, Parents, and Caregivers.
Sotrovimab has been authorized by the U.S. FDA for the emergency use described below. Sotrovimab is not FDA-approved for this use.
Sotrovimab is authorized only for the duration of the declaration that circumstances exist justifying the authorization of the emergency use of sotrovimab under section 564(b)(1) of the Act, 21 U.S.C. § 360bbb-3(b)(1), unless the authorization is terminated or revoked sooner.
Limitations of Authorized Use
Benefit of treatment with sotrovimab has not been observed in patients hospitalized due to COVID-19. SARS-CoV-2 monoclonal antibodies may be associated with worse clinical outcomes when administered to hospitalized patients with COVID-19 requiring high flow oxygen or mechanical ventilation.
Important Safety Information
WARNINGS AND PRECAUTIONS
Hypersensitivity Including Anaphylaxis and Infusion-Related Reactions
Infusion-related reactions, occurring during the infusion and up to 24 hours after the infusion, have been observed with administration of sotrovimab. These reactions may be severe or life threatening.
Signs and symptoms of infusion-related reactions may include: fever, difficulty breathing, reduced oxygen saturation, chills, fatigue, arrhythmia (eg, atrial fibrillation, sinus tachycardia, bradycardia), chest pain or discomfort, weakness, altered mental status, nausea, headache, bronchospasm, hypotension, hypertension, angioedema, throat irritation, rash including urticaria, pruritus, myalgia, vaso-vagal reactions (eg, pre-syncope, syncope), dizziness and diaphoresis.
Consider slowing or stopping the infusion and administer appropriate medications and/or supportive care if an infusion-related reaction occurs.
Hypersensitivity reactions occurring more than 24 hours after the infusion have also been reported with the use of SARS-CoV-2 monoclonal antibodies under Emergency Use Authorization.
Clinical Worsening After SARS-CoV-2 Monoclonal Antibody Administration
Limitations of Benefit and Potential for Risk in Patients with Severe COVID-19
The most common treatment-emergent adverse events observed in the sotrovimab treatment group in COMET-ICE were rash (1%) and diarrhea (2%), all of which were Grade 1 (mild) or Grade 2 (moderate). No other treatment-emergent adverse events were reported at a higher rate with sotrovimab compared to placebo.
USE IN SPECIFIC POPULATIONS
About the Vir and GSK Collaboration
GSK Commitment to Tackling COVID-19
GSK is collaborating with several organizations on COVID-19 vaccines by providing access to our adjuvant technology. We are working with Sanofi, Medicago and SK bioscience to develop adjuvanted, protein-based vaccine candidates, and all are now in Phase 3 clinical trials. The use of an adjuvant can be of particular importance in a pandemic since it may reduce the amount of vaccine protein required per dose, allowing more vaccine doses to be produced and contributing to protect more people in need.
GSK is also working with mRNA specialist, CureVac, to jointly develop next generation, optimized mRNA vaccines for COVID-19 with the potential to address multiple emerging variants in one vaccine.GSK is also exploring treatments for COVID-19 patients, collaborating with Vir Biotechnology to investigate monoclonal antibodies that could be used as therapeutic or preventive options for COVID-19.
Vir’s Commitment to COVID-19
About Vir Biotechnology
GSK cautionary statement regarding forward-looking statements
Vir Forward-Looking Statements
¹Editor’s Note: Financial considerations
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