The invention concerns pharmaceutical compositions containing a hydrogen sulphate salt of 6-(4-bromo-2-chloro-phenylamino)-7-fluoro-3-methyl-3H-benzoimidazole-5- carboxylic acid (2-hydroxy-ethoxy)-amide and solvates, crystalline forms and amorphous forms thereof, to the use of said compositions as a medicament; and to processes for the preparation of said compositions.本發明係關於含有6-(4-溴-2-氯-苯基胺基)-7-氟-3-甲基-3H-苯并咪唑-5-甲酸(2-羥基-乙氧基)-醯胺之硫酸氫鹽及其溶劑合物、其結晶形式及非晶形形式之醫藥組合物、該等組合物作為藥劑之用途及製備該等組合物之方法。