| 摘要 |
Disclosed are microspheres having a core/shell structure and a spherical shape, wherein (a) the core comprises solid-state aripiprazole, and (b) the shell coats all or most of the surface of the core, and the shell comprises a biodegradable polymer which may be selected from the group consisting of polylactic acids and lactic acid-glycolic acid copolymers. The disclosure also relates to a process for producing these microspheres; and an injectable aqueous suspension formulation containing these microspheres.
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