INTERFERON-POLYMER CONJUGATES AND PROCESS FOR PREPARING THE SAME

Interferon-polymer conjugate containing compositions having high levels of retained interferon activity and relatively long circulating lives in vivo are disclosed. The compositions contain a mixture of mono-interferon-polymer conjugates and bis-interferon-polymer conjugates, with both species conta...

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Bibliographic Details
Main Authors GILBERT, CARL, W, GREENWALD, RICHARD, B
Format Patent
LanguageEnglish
French
German
Published 05.10.2005
Edition7
Subjects
CHEMISTRY
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PEPTIDES
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Summary:Interferon-polymer conjugate containing compositions having high levels of retained interferon activity and relatively long circulating lives in vivo are disclosed. The compositions contain a mixture of mono-interferon-polymer conjugates and bis-interferon-polymer conjugates, with both species containing substantially a single polymer strand. The conjugate compositions are prepared by reacting about 1 mole of an interferon with from about 0.125 to about 1 mole of a bis-activated substantially non-antigenic polymer under conditions sufficient to effect covalent conjugation of the interferon and polymer. Methods of treating interferon-susceptible conditions with the compositions of the present invention are also disclosed.
Bibliography:Application Number: EP19960938688