← USPTO Patent Grants

Stable solid dispersion of a B-RAF kinase dimer inhibitor, methods of preparation, and uses therefor

Grant US12582604B2 Kind: B2 Mar 24, 2026

Assignee

BeiGene, Ltd.

Inventors

Guoliang Zhang, Changyou Zhou, Huangbin Sun

Abstract

Disclosed herein is a physically stable solid dispersion comprising Compound 1, i.e., the B-RAF kinase dimer inhibitor 1-((1S, 1aS, 6bS)-5-((7-oxo-5, 6, 7, 8-tetrahydro-1, 8-naphthyridin-4-yl)oxy)-1a,6b-dihydro-1H-cyclopropa [b] benzofuran-1-yl)-3-(2, 4, 5-trifluorophenyl) urea and a specific stabilizing polymer, the method for preparing the same, and the uses of the solid dispersion. Also disclosed herein is the crystalline form of Compound 1.

CPC Classifications

A61K 9/146 A61K 31/4375 A61K 47/38 A61K 9/0095 A61K 9/20 A61K 9/48 A61K 9/14 A61K 31/4427 A61K 47/61 C07B 2200/13 C07D 471/04 C07D 405/14 A61P 35/00

Filing Date

2020-01-23

Application No.

17423600

Claims

4