摘要：

Compositions are provided which include (A) at least one biologically active agent, and (B) (a) at least one acylated amino acid; (b) at least one peptide comprising at least one acylated amino acid; or (c) a combination of (a) and (b); wherein said acylated amino acid is acylated by (I) a C 3 -C 10 cycloalkyl acylating agent substituted with C 1 -C 7 alkyl, C 2 -C 7 alkenyl, C 1 -C 7 alkoxy, hydroxy, phenyl, phenoxy, or --CO 2 R, wherein R is hydrogen, C 1 -C 4 alkyl or C 2 -C 4 alkenyl; (ii) an unsubstituted C 3 -C 10 cycloalkyl acylating agent; or (iii) a C 1 -C 6 alkyl acylating agent substituted with C 3 -C 10 cycloalkyl.

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