| 摘要 |
PROBLEM TO BE SOLVED: To provide a placebo which is substantially identical with a biologic in appearance, is pharmaceutically safe, has no efficacy unlike a biologic, and is capable of being handled in the same manner as in an investigational new drug used in e.g., a double blind method. SOLUTION: The placebo for use with a biologic contains a substance having surface activity. Desirably, the placebo is one wherein the substance having surface activity is a surfactant. COPYRIGHT: (C)2008,JPO&INPIT
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