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Horizon Therapeutics Public Ltd
Horizon Therapeutics Publ
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Horizon Therapeutics Public Ltd


Horizon Therapeutics Public Ltd

Horizon Therapeutics Public Ltd



Horizon Therapeutics Public Ltd Co is a biopharmaceutical company focused on researching, developing, and commercializing medicines that address critical needs for people impacted by rare and rheumatic diseases. Horizon primarily markets products in the United States, which represented 97% of Horizon's 2019 worldwide sales. In 2014 Horizon executed a tax inversion to move its legal headquarters to Ireland to avail of Ireland's low tax rates and beneficial corporate tax system. On May 2, 2019, shareholders of the company approved the change of the company's name to Horizon Therapeutics plc.

Horizon's drug portfolio is focused on treatments for thyroid eye disease (TED), gout, rare diseases, and inflammatory diseases. Horizon's portfolio includes Tepezza (teprotumumab), Krystexxa (pegloticase), Actimmune (interferon gamma), Duexis (ibuprofen + famotidine), Pennsaid (diclofenac, 2% topical), Rayos/Lodotra (prednisone), Vimovo (naproxen/esomeprazole magnesium), Buphenyl (sodium phenylbutyrate), Procysbi (cysteamine bitartrate), and Ravicti (glycerol phenylbutyrate). In 2016, the company became a member of the Pharmaceutical Research and Manufacturers of America (PhRMA).

In December 2022, the company announced it would be acquired by Amgen for $27.8 billion.

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Alena Potapova

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