6- (4-Bromo-2-chlorophenylamino) -7-fluoro-N- (2-hydroxyethoxy) -3-methyl-3H-benzimidazole-5-carboxamide, a MEK inhibitor useful in the treatment of cancer Tosylate

摘要

The present invention relates to a tosylate salt of Compound 1 and polymorphs thereof, in particular crystalline and amorphous forms of Compound 1 tosylate salt, and methods of preparation thereof. Pharmaceutical compositions containing these salts as active ingredient, their use in the manufacture of medicaments for use in the treatment and/or prophylaxis of proliferative disease states, such as cancer, in the human or animal body, and their use in methods for the treatment and/or prophylaxis of proliferative disease states, such as cancer, in the human or animal body are also described.