Silence Therapeutics Plc American Depository Share
Silence Therapeutics plc, a biotechnology company, engages in the discovery and development of novel molecules incorporating short interfering ribonucleic acid (siRNA) to inhibit the expression of specific target genes in hematology, cardiovascular, and rare diseases. The company develops Zerlasiran (SLN360), which is in Phase II clinical trial for cardiovascular disease associated with elevated lipoprotein(a); Divesiran (SLN124), an siRNA molecule that is in Phase I clinical trial for the treatment of genetic hematological conditions, including polycythemia vera; and SLN548 for complement-mediated disease. Silence Therapeutics plc has collaboration agreements with AstraZeneca PLC to discover, develop, and commercialize siRNA therapeutics for the treatment of cardiovascular, renal, metabolic, and respiratory diseases; and Hansoh Pharmaceutical Group Company Limited to develop siRNAs. The company was formerly known as SR Pharma plc and changed its name to Silence Therapeutics plc in May 2007. Silence Therapeutics plc was incorporated in 1994 and is headquartered in London, the United Kingdom.
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Xencor, Inc., a clinical-stage biopharmaceutical company, focuses on the discovery and development of engineered monoclonal antibodies for the treatment of asthma and allergic diseases, autoimmune diseases, and cancer. The company provides Ultomiris to treat patients with atypical hemolytic uremic syndrome, generalized myasthenia gravis, neuromyelitis optica spectrum disororder; and Monjuvi for the treatment of patients with relapsed or refractory diffuse large B-cell lymphoma; and Sotrovimab that targets the SARS-CoV-2 virus. It develops XmAb819, a bispecific antibody to treat renal cell carcinoma; XmAb541, which is in Phase I for the treatment of ovarian cancer; XmAb808, a bispecific antibody that binds to the broadly expressed tumor antigen; Vudalimab, which is in Phase II clinical trial to treat metastatic castration-resistant prostate cancer; XmAb564, to treat autoimmune diseases; XmAb662, which is in Phase I clinical trial to treat patients with solid tumors; XmAb942, which is in Phase I clinical trial for patients with Crohn's disease and ulcerative colitis; and Plamotamab, a bispecific antibody, which is in Phase I clinical trial to treat lymphoma. Further, the company develops Xaluritamig, a bispecific T-cell engager that treats prostate cancer; Obexelimab, to treat patients with immunoglobulin G4-related disease; Teropavimab and zinlirvimab to treat human immunodeficiency virus; Tobevibart, a treatment for hepatitis Delta virus infection; Novartis, an antibody drug candidate that uses XmAb Fc technologies; Xpro1595 to treat patients with Alzheimer's disease and treatment-resistant depression; Zaltenibart to treat paroxysmal nocturnal hemoglobinuria and other alternative pathway disorders; ASP2138 to treat gastric, gastroesophageal junction, and pancreatic cancers; JNJ-9401 to treat prostate cancer; and JNJ-1493 to treat B-cell malignancies. The company was incorporated in 1997 and is headquartered in Pasadena, California.
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