About Atypical Hemolytic Uremic Syndrome (aHUS)
Atypical Hemolytic Uremic Syndrome (aHUS) is a chronic, very rare, life-threatening disease. The condition has the hallmarks of a thrombotic microangiopathy and manifests as hemolytic anemia, thrombocytopenia and renal impairment. aHUS differs from HUS in that an infectious etiology, i.e., E. coli or streptococcal infection, is absent. Dysregulation of the complement system lies at the heart of aHUS pathogenesis, and genetic abnormalities in complement genes have been identified in greater than 60 percent of all aHUS patients. It is thought that certain precipitating factors are needed to trigger aHUS in a genetically predisposed individual. Many of the potential precipitating factors are linked to endothelial cell activation, stress or injury; all of these processes activate the lectin pathway. If untreated, most aHUS patients die or develop end-stage renal disease within one year of diagnosis. Current treatment options include plasma therapy and eculizumab, which have limitations in terms of feasibility, safety and patient convenience.
About Omeros' MASP-2 Program
Omeros controls the worldwide rights to MASP-2 and all therapeutics targeting MASP-2, a novel pro-inflammatory protein target involved in activation of the complement system, which is an important component of the immune system. The complement system plays a role in the inflammatory response and becomes activated as a result of tissue damage or microbial infection. MASP-2 appears to be unique to, and required for the function of, one of the principal complement activation pathways, known as the lectin pathway. Importantly, inhibition of MASP-2 does not appear to interfere with the antibody-dependent classical complement activation pathway, which is a critical component of the acquired immune response to infection, and its abnormal function is associated with a wide range of autoimmune disorders. MASP-2 is
|SOURCE Omeros Corporation|
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