AstraZeneca plc is an Anglo-Swedish multinational pharmaceutical and biotechnology company with its headquarters at the Cambridge Biomedical Campus in Cambridge, England. It has a portfolio of products for major diseases in areas including oncology, cardiovascular, gastrointestinal, infection, neuroscience, respiratory, and inflammation. It has been involved in developing the Oxford–AstraZeneca COVID-19 vaccine.
Respiratory syncytial virus (RSV), also called human respiratory syncytial virus (hRSV) and human orthopneumovirus, is a common, contagious virus that causes infections of the respiratory tract. It is a negative-sense, single-stranded RNA virus. Its name is derived from the large cells known as syncytia that form when infected cells fuse.
Live attenuated influenza vaccine (LAIV) is a type of influenza vaccine in the form of a nasal spray that is recommended for the prevention of influenza.
MedImmune, LLC was a wholly owned subsidiary of AstraZeneca before February 14, 2019, when it was announced that the MedImmune name and branding would be discontinued in favor of AstraZeneca.
Palivizumab, sold under the brand name Synagis, is a monoclonal antibody produced by recombinant DNA technology used to prevent severe disease caused by respiratory syncytial virus (RSV) infections. It is recommended for infants at high-risk for RSV due to conditions such as prematurity or other medical problems including heart or lung diseases.
Tremelimumab, sold under the brand name Imjudo, is a fully human monoclonal antibody used for the treatment of hepatocellular carcinoma. Tremelimumab is designed to attach to and block CTLA-4, a protein that controls the activity of T cells, which are part of the immune system.
Cambridge Antibody Technology was a biotechnology company headquartered in Cambridge, England, United Kingdom. Its core focus was on antibody therapeutics, primarily using Phage Display and Ribosome Display technology.
Benralizumab, sold under the brand name Fasenra, is a monoclonal antibody directed against the alpha chain of the interleukin-5 receptor (CD125). It was developed by MedImmune for the treatment of asthma.
Brodalumab, sold under the brand name Siliq in the US and Kyntheum in the EU, is a human monoclonal antibody designed for the treatment of inflammatory diseases.
Moxetumomab pasudotox, sold under the brand name Lumoxiti, is an anti-CD22 immunotoxin medication for the treatment of adults with relapsed or refractory hairy cell leukemia (HCL) who have received at least two prior systemic therapies, including treatment with a purine nucleoside analog. Moxetumomab pasudotox is a CD22-directed cytotoxin and is the first of this type of treatment for adults with HCL. The drug consists of the binding fragment (Fv) of an anti-CD22 antibody fused to a toxin called PE38. This toxin is a 38 kDa fragment of Pseudomonas exotoxin A.
Tralokinumab sold under the brand names Adtralza (EU/UK) and Adbry (US) among others, is a human monoclonal antibody used for the treatment of atopic dermatitis. Tralokinumab targets the cytokine interleukin 13.
Anifrolumab, sold under the brand name Saphnelo, is a monoclonal antibody used for the treatment of systemic lupus erythematosus. It binds to the type I interferon receptor, blocking the activity of type I interferons such as interferon-α and interferon-β.
Novavax, Inc. is an American biotechnology company based in Gaithersburg, Maryland, that develops vaccines to counter serious infectious diseases. Prior to 2020, company scientists developed experimental vaccines for influenza and respiratory syncytial virus (RSV), as well as Ebola and other emerging infectious diseases. During 2020, the company redirected its efforts to focus on development and approval of its NVX-CoV2373 vaccine for COVID-19.
A respiratory syncytial virus vaccine, or RSV vaccine, is a vaccine that protects against respiratory syncytial virus. RSV affects an estimated 64 million people and causes 160,000 deaths worldwide each year.
Jason S. McLellan is a structural biologist, professor in the Department of Molecular Biosciences and Robert A. Welch Chair in Chemistry at The University of Texas at Austin who specializes in understanding the structure and function of viral proteins, including those of coronaviruses. His research focuses on applying structural information to the rational design of vaccines and other therapies for viruses, including SARS-CoV-2, the novel coronavirus that causes COVID-19, and respiratory syncytial virus (RSV). McLellan and his team collaborated with researchers at the National Institute of Allergy and Infectious Diseases’ Vaccine Research Center to design a stabilized version of the SARS-CoV-2 spike protein, which biotechnology company Moderna used as the basis for the vaccine mRNA-1273, the first COVID-19 vaccine candidate to enter phase I clinical trials in the U.S. At least three other vaccines use this modified spike protein: those from Pfizer and BioNTech; Johnson & Johnson and Janssen Pharmaceuticals; and Novavax.
Bamlanivimab is a monoclonal antibody developed by AbCellera Biologics and Eli Lilly as a treatment for COVID-19. The medication was granted an emergency use authorization (EUA) by the US Food and Drug Administration (FDA) in November 2020, and the EUA was revoked in April 2021.
Tixagevimab/cilgavimab, sold under the brand name Evusheld, is a combination of two human monoclonal antibodies, tixagevimab (AZD8895) and cilgavimab (AZD1061) targeted against the surface spike protein of SARS-CoV-2 used to prevent COVID-19. It is being developed by British-Swedish multinational pharmaceutical and biotechnology company AstraZeneca. It is co-packaged and given as two separate consecutive intramuscular injections.
Nirsevimab, sold under the brand name Beyfortus, is a human recombinant monoclonal antibody with activity against respiratory syncytial virus (RSV). It is a respiratory syncytial virus (RSV) F protein‑directed fusion inhibitor that is designed to bind to the fusion protein on the surface of the RSV virus.
Passive antibody therapy, also called serum therapy, is a subtype of passive immunotherapy that administers antibodies to target and kill pathogens or cancer cells. It is designed to draw support from foreign antibodies that are donated from a person, extracted from animals, or made in the laboratory to elicit an immune response instead of relying on the innate immune system to fight disease. It has a long history from the 18th century for treating infectious diseases and is now a common cancer treatment. The mechanism of actions include: antagonistic and agonistic reaction, complement-dependent cytotoxicity (CDC), and antibody-dependent cellular cytotoxicity (ADCC).
Clesrovimab (MK-1654) is a fully human monoclonal antibody designed to prevent respiratory syncytial virus (RSV) infections. Developed by Merck, it is in a phase III trial as of 2023. It works differently than nirsevimab.
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