STABLE PARENTERAL PREPARATION

摘要

PROBLEM TO BE SOLVED: To obtain a stable parenteral preparation which can be stored for a long period of time on human interferonαcomprising one or more kinds of subtypes. SOLUTION: This stable parenteral preparation is obtained by including interferonαcomprising one or more kinds of subtypes with an isoelectric point of 4.9-6.0 and polysorbate 80 and adjusting it at pH 6.5-7.5.