Washington, D.C. 20549
Report of Foreign Issuer
Pursuant to Rule 13a-16 or 15d-16 of
the Securities Exchange Act of 1934
For the month of September 2022
Commission File Number: 001-11960
AstraZeneca PLC
1 Francis Crick Avenue
Cambridge Biomedical Campus
Cambridge CB2 0AA
United Kingdom
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AstraZeneca PLC
1. Evusheld positive CHMP opinion in EU
16 September 2022 07:05 BST
Evusheld long-acting antibody combination recommended for approval
in the EU for the treatment of COVID-19
Recommendation based on TACKLE Phase III treatment data showing
reduced risk of severe COVID-19 or death
AstraZeneca's Evusheld (tixagevimab and cilgavimab, formerly AZD7442), a long-acting antibody combination, has been recommended for marketing authorisation in the European Union (EU) for the treatment of adults and adolescents (aged 12 years and older weighing at least 40 kg) with COVID-19 who do not require supplemental oxygen and who are at increased risk of progressing to severe COVID-19.
The Committee for Medicinal Products for Human Use (CHMP) of the European Medicines Agency based its positive opinion on results from the TACKLE Phase III COVID-19 treatment trial which showed one intramuscular (IM) dose of Evusheld provided clinically and statistically significant protection against progression to severe COVID-19 or death from any cause compared to placebo. Evusheld treatment earlier in the disease course led to more favourable outcomes. TACKLE was conducted in non-hospitalised adults with mild-to-moderate COVID-19 who were symptomatic for seven days or less. 90% of trial participants were at high risk of progression to severe COVID-19 due to co-morbidities or age.  Evusheld was generally well tolerated in the trial.1
Michel Goldman, M.D., Ph.D., Professor, Institute for Interdisciplinary Innovation in Healthcare, Université Libre de Bruxelles, and former Executive Director of the European Innovative Medicines Initiative, said: "Despite the remarkable efficacy of COVID-19 vaccines in the overall population, patients with an impaired immune system remain at very high risk to develop severe COVID-19 requiring hospitalisation. For high-risk patients, there is a major need for tolerable and effective therapies that can be used to block COVID-19 progression and prevent poor outcomes. As we head into the autumn and winter months when COVID-19 infections may rise, Evusheld represents an important new treatment option to protect patients infected with the SARS-CoV-2 virus against severe disease and death."
Iskra Reic, Executive Vice President, Vaccines and Immune Therapies, AstraZeneca, said: "Evusheld has already made an important difference around the world helping prevent COVID-19 infections in vulnerable populations who can't mount an adequate response to COVID-19 vaccination. This positive CHMP opinion underscores Evusheld's potential as a COVID-19 treatment for patients at increased risk of progressing to severe disease."
The recommended dose of Evusheld for treatment in the EU is 300mg of tixagevimab and 300mg of cilgavimab, administered as two separate, sequential IM injections.
Evusheld been shown to retain in vitro neutralisation of Omicron BA.5, which is currently the dominant SARS-CoV-2 variant in Europe.2 Real-world evidence generated to date has demonstrated significantly lower rates of symptomatic COVID-19 and/or hospitalisation/death for immunocompromised patients receiving Evusheld compared to control arms. This includes real-world evidence collected while Omicron BA.5, BA.4, BA.2, BA.1 and BA.1.1 were circulating.3-6
Evusheld was granted marketing authorisation in the EU for pre-exposure prophylaxis (prevention) of COVID-19 in a broad population of adults and adolescents earlier this year and is already available in a majority of countries in Europe.
AstraZeneca anticipates that the European Commission will shortly complete its review of the CHMP positive opinion to determine whether to grant marketing authorisation for treatment of COVID-19 in appropriate populations.
TACKLE is a Phase III, randomised, double-blind, placebo-controlled, multi-centre trial assessing the safety and efficacy of a single 600mg IM dose of Evusheld (300mg each of cilgavimab and tixagevimab) compared to placebo for the treatment of mild-to-moderate COVID-19. The trial was conducted in 95 sites in the US, Latin America, Europe and Japan. 903 participants were randomised (1:1) to receive either Evusheld (n = 452) or saline placebo (n = 451), administered in two separate, sequential IM injections.
Participants were adults 18 years-old and over who had mild-to-moderate COVID-19 and were symptomatic for seven days or less. Participants had a documented laboratory-confirmed SARS-CoV-2 infection, as determined by a molecular test (antigen or nucleic acid) from any respiratory tract specimen (e.g. oropharyngeal, nasopharyngeal, or nasal swab or saliva) collected no more than three days prior to day 1. Participants were not vaccinated against COVID-19 at the time of screening.
Detailed results from the TACKLE trial published in The Lancet Respiratory Medicine showed Evusheld significantly reduced the relative risk of progressing to severe COVID-19 or death (from any cause) by 50% (95% confidence interval [CI] 15, 71; p=0.010) through day 29 compared to placebo in non-hospitalised patients with mild-to-moderate COVID-19 who were symptomatic for seven days or less, the trial's primary endpoint. In pre-specified analyses of participants who received treatment within three days of symptom onset, Evusheld reduced the risk of developing severe COVID-19 or death (from any cause) by 88% compared to placebo (95% CI 9, 98), and the risk reduction was 67% (95% CI 31, 84) compared with placebo when participants received Evusheld within five days of symptom onset.1
Evusheld was generally well tolerated in the trial. Adverse events (AEs) occurred more frequently in the placebo group (163/451; 36%) than the Evusheld group (132/452; 29%). The most common AE was COVID-19 pneumonia, occurring in 49 participants (11%) in the placebo group and 26 participants (6%) in the Evusheld group. Serious AEs occurred in 54 participants (12%) in the placebo group and 33 participants (7%) in the Evusheld group. There were six COVID-19-reported deaths in the placebo group and three in the Evusheld group.1
Evusheld, formerly known as AZD7442, is a combination of two long-acting antibodies - tixagevimab (AZD8895) and cilgavimab (AZD1061) - derived from B-cells donated by convalescent patients after SARS-CoV-2 infection. Discovered by Vanderbilt University Medical Center and licensed to AstraZeneca in June 2020, the human monoclonal antibodies bind to distinct sites on the SARS-CoV-2 spike protein7 and were optimised by AstraZeneca with half-life extension and reduction of Fc effector function and complement C1q binding.8 The half-life extension more than triples the durability of its action compared to conventional antibodies;9-11 data from the PROVENT Phase III trial show protection lasting six months.12 The reduced Fc effector function aims to minimise the risk of antibody-dependent enhancement of disease - a phenomenon in which virus-specific antibodies promote, rather than inhibit, infection and/or disease.13
Evusheld is authorised for use for pre-exposure prophylaxis (prevention) of COVID-19 in the US (emergency use), EU, Japan and many other countries. Evusheld is approved for treatment of those with risk factors for severe SARS-CoV-2 infection in Japan. Regulatory submissions are progressing for both prevention and treatment indications around the world.
Evusheld is being developed with support from the US government, including federal funds from the Department of Health and Human Services; Office of the Assistant Secretary for Preparedness and Response; Biomedical Advanced Research and Development Authority in partnership with the Department of Defense; Joint Program Executive Office for Chemical, Biological, Radiological and Nuclear Defense, under Contract No. W911QY-21-9-0001.
Under the terms of the licensing agreement with Vanderbilt, AstraZeneca will pay single-digit royalties on future net sales.
AstraZeneca (LSE/STO/Nasdaq: AZN) is a global, science-led biopharmaceutical company that focuses on the discovery, development, and commercialisation of prescription medicines in Oncology, Rare Diseases, and BioPharmaceuticals, including Cardiovascular, Renal & Metabolism, and Respiratory & Immunology. Based in Cambridge, UK, AstraZeneca operates in over 100 countries and its innovative medicines are used by millions of patients worldwide. Please visit and follow the Company on Twitter @AstraZeneca.
For details on how to contact the Investor Relations Team, please click here. For Media contacts, click here.
1.   Montgomery H, et al. Efficacy and Safety of Intramuscular Administration of AZD7442 (Tixagevimab/Cilgavimab) for Early Outpatient Treatment of COVID-19: The TACKLE Phase 3 Randomised Controlled Trial. Lancet Respir Med. Published online June 7, 2022.
2.   US Food and Drug Administration. Fact Sheet for Healthcare Providers: Emergency Use Authorization for Evusheld™(Tixagevimab Co-Packaged with Cilgavimab). Available at:  [Last accessed: September 2022]
3.   Jurdi A, et al. Tixagevimab/Cilgavimab Pre-Exposure Prophylaxis Is Associated with Lower Breakthrough Infection Risk in Vaccinated Solid Organ Transplant Recipients during the Omicron Wave. American Journal of Transplantation. Published online June 21, 2022. doi:10.1111/AJT.17128
4.   Kertes J, et al. Association between AZD7442 (Tixagevimab-Cilgavimab) Administration and SARS-CoV-2 Infection, Hospitalization and Mortality. Clinical Infectious Diseases. Published online July 29, 2022. doi:10.1093/CID/CIAC625
5.   Young-Xu Y, et al. Tixagevimab/Cilgavimab for Prevention of COVID-19 during the Omicron Surge: Retrospective Analysis of National VA Electronic Data. medRxiv. Published online May 29, 2022:2022.05.28.22275716. doi:10.1101/2022.05.28.22275716
6.   AstraZeneca Data on File.
7.   Dong J, et al. Genetic and Structural Basis for SARS-CoV-2 Variant Neutralization by a Two-Antibody Cocktail. Nat Microbiol. 2021;6(10):1233-1244
8.   Loo YM, et al. AZD7442 Demonstrates Prophylactic and Therapeutic Efficacy in Non-Human Primates and Extended Half-Life in Humans. Sci Transl Med. 2022;14(635):eabl8124
9.   Robbie GJ, et al. A Novel Investigational Fc-Modified Humanized Monoclonal Antibody, Motavizumab-YTE, Has an Extended Half-Life in Healthy Adults. Antimicrobial Agents and Chemotherapy. 2013;57(12):6147-6153
10.  Griffin MP, et al. Safety, Tolerability, and Pharmacokinetics of MEDI8897, the Respiratory Syncytial Virus Prefusion F-Targeting Monoclonal Antibody with an Extended Half-Life, in Healthy Adults. Antimicrob Agents Chemother. 2017;61(3)
11.  Domachowske JB, et al. Safety, Tolerability and Pharmacokinetics of MEDI8897, an Extended Half-Life Single-Dose Respiratory Syncytial Virus Prefusion F-Targeting Monoclonal Antibody Administered as a Single Dose to Healthy Preterm Infants. Pediatr Infect Dis J. 2018;37(9):886-892
12.  Levin MJ, et al. Intramuscular AZD7442 (Tixagevimab-Cilgavimab) for Prevention of Covid-19.    N Engl J Med. 2022;386(23):2188-2200
13.  van Erp, EA et al. Fc-Mediated Antibody Effector Functions During Respiratory Syncytial Virus Infection and Disease. Front Immunol. 2019;10(MAR)
Adrian Kemp
Company Secretary
AstraZeneca PLC
Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.
AstraZeneca PLC
Date: 16 September 2022
By: /s/ Adrian Kemp
Name: Adrian Kemp
Title: Company Secretary
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