Intravenous immunoglobulin (IVIg) is a mixture of IgG1 and other antibodies derived from healthy human plasma via Cohn fractionation. The purification process includes cold alcohol fractionation, polyethylene glycol precipitation, and ion exchange chromatography. IVIg contains the same distribution of IgG antibody subclasses as is found in the general human population. IgG subclasses are fully represented in the following proportions: 70.3% IgG1, 24.7% IgG2, 3.1% IgG3, and 1.9% IgG4. IVIg is used in the treatment of immunodeficiencies, as well as autoimmune and inflammatory disorders.
Human immunoglobulin G is indicated for the following conditions:
Aarhus University Hospital, Department of Neyrology, Aarhus, Denmark
Masonic Cancer Center University of Minnesota, Minneapolis, Minnesota, United States
Turku University Central Hospital, Turku, Finland
University Hospital MAS, Malmö, Sweden
Sundsvall Hospital, Sundsvall, Sweden
Huddinge University Hospital, Stockholm, Sweden
Uppsala Academic Hospital, Uppsala, Sweden
Sahlgrenska University Hospital, Gothenburg, Sweden
National Institute of Neurological Disorders and Stroke (NINDS), Bethesda, Maryland, United States
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