TABLETS PREPARATION TECHNOLOGY FOR CGRP-ACTIVE COMPOUNDS Russian patent published in 2019 - IPC A61K9/26 A61K31/4545 A61K47/30 

Abstract RU 2696578 C1

FIELD: medicine; pharmaceuticals.

SUBSTANCE: group of inventions relates to pharmaceutics. First invention represents a tablet containing: (a) an extrudate, including: (i) a polymer matrix which is a water-soluble copolymer of vinylpyrrolidone and vinyl acetate; (ii) a dispersant; and (iii) a compound of formula I or a pharmaceutically acceptable salt thereof:

Formula I

where Ra is independently -H or -F, wherein dispersing agent and compound of Formula I are dispersed in said polymer matrix; and (b) a disintegrating system comprising powdered sodium chloride and sodium croscarmellose. Second invention is a composition suitable for pressing into a tablet, and a third invention is a tablet with tensile strength of 1.75 MPa, obtained by pressing said composition.

EFFECT: technology of preparing tablets for cgrp-active compounds is disclosed.

19 cl, 3 dwg, 2 tbl, 2 ex

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RU 2 696 578 C1

Authors

Johnson, Mary Ann

Allain, Leonardo Resende

Eickhoff, W. Mark

Ikeda, Craig, B.

Brown, Chad, D.

Flanagan, Francis, J., Jr.

Nofsinger, Rebecca

Marota, Melanie

Lupton, Lisa

Patel, Paresh, B.

Xi, Hanmi

Xu, Wei

Dates

2019-08-05Published

2015-01-30Filed