interferon alpha (alpha)-2b

in·ter·fer·on al·pha (α)-2b

(in'tĕr-fēr'on al'fă) A water-soluble protein (MW 19,271) secreted by cells infected by virus; used to treat hairy cell leukemia, malignant melanoma, condylomata acuminata, AIDS-associated Kaposi sarcoma, and chronic infection of hepatitis C virus.