Interferon alfa-2b suppliers

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• China(8)
• United States(3)

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Interferon alfa-2b, Intron A, a water-soluble protein of165 amino acids and an approximate molecular mass of19,200 Da, is expressed from a recombinant strain of E. coli.This interferon molecule possesses an arginine at position23 and a histidine at position 34.Interferon alfa-2b is a broad-spectrum agent. It is indicatedfor hairy cell leukemia, condyloma acuminata (genital or venereal warts), AIDS-related Kaposi sarcoma, and chronichepatitis B and C infections.Intron A can be administered by the SC, IM, or IV routes,by infusion or by intralesional routes. The dose is 1 to 35 millionIU/day, depending on the application. The drug is suppliedas a solution or as a powder for solution, and both formscontain albumin, glycine, and sodium phosphate buffer.Hence, they should not be shaken. Vials of solution should bestored at 2°C to 8°C without freezing. The powder is stablefor 18 months at room temperature or 7 days at 45°C.