The invention relates to a new crystalline form II of N-benzoyl-staurosporine compositions containing the same, processes for the preparation thereof, and the use of crystalline form II of N-benzoyl-staurosporine in diagnostic methods or therapeutic treatment of warm-blooded animls, especially humans, the invention relates to the amorphous forms of N-benzoyl-staurosporine, compositions containing the same, processes for the preparation thereof, and the use of amorphous N-benzoyl-staurosporine in diagnostic methods or therapeutic treatment of warm-blooded animals, especially humans