Process for producing sustained-release preparation

Details Process for producing sustained-release preparation Process for producing sustained-release preparation

A - Human Necessities

61

K

A61K 9/52 (2006.01) A61K 9/16 (2006.01) A61K 31/495 (2006.01) A61K 38/00 (2006.01) A61K 47/44 (2006.01)

Patent

CA 2243201

The present invention is to provide sustained-release microcapsules which contains high amount of a drug, suppresses initial release and shows stable release, and the production method of which comprises adding a physiologically active substance to biodegradable polymer in an organic solvent containing a fat and oil (in particular, vitamin E) and dispersing and emulsifying the mixture.

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