Process for the preparation of microspheres containing biologica

Details Process for the preparation of microspheres containing biologica Process for the preparation of microspheres containing biologica

1999-01-13

2000-03-21

Harrison, Robert H.

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Implant or insert

424489, 424499, 514 54, 514866, A61K 916

Patent

active

060399708

ABSTRACT:
The present invention is directed to a microsphere for the controlled release of a biologically active molecule which comprises a biologically active molecule and an ester of hyaluronic acid or mixtures of said esters of hyaluronic acids, and wherein said biologically active molecule is surrounded by or adhered to said ester of hyaluronic acid, and wherein said microsphere has a diameter of between 1 .mu.m to 100 .mu.m.

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