Alexion Pharmaceuticals, Inc. (Alexion), is a biopharmaceutical company focused on serving patients with severe and ultra-rare disorders through the development and commercialization of life-transforming therapeutic products. Its marketed product Soliris (eculizumab) is the first and only therapeutic approved for patients with two ultra-rare and severe disorders resulting from chronic uncontrolled activation of the complement component of the immune system: paroxysmal nocturnal hemoglobinuria (PNH), an ultra-rare and life-threatening blood disorder, and atypical hemolytic uremic syndrome (aHUS), an ultra-rare and life-threatening genetic disease. The Company is also evaluating other indications for Soliris in other diseases in which chronic uncontrolled complement activation is the underlying mechanism, and it is progressing with other biotechnology product candidates in ultra-rare and severe disorders, which are in various stages of development.

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