Dr. Reddy's Laboratories Limited
AMORPHOUS AND CRYSTALLINE FORMS OF RELUGOLIX

Abstract:

The present application relates to crystalline forms R1-R10 of relugolix and process for preparation thereof. The present application also relates to amorphous form and amorphous solid dispersion of relugolix and process for preparation thereof. Crystalline forms R1 are stable under all storage conditions for three months. Crystalline form R1 have excellent physico-chemical properties and may be used conveniently in a pharmaceutical composition comprising relugolix. The application also relates to a process for purification of relugolix.