Compositions and methods for preparing an OXY133 polymorph are provided. This compositions and methods include subjecting a slurry of OXY133 to conditions sufficient to convert OXY133 to the OXY133 polymorph Form A, polymorph Form B, polymorph Form C, polymorph Form D, polymorph Form E, polymorph Form F, polymorph Form G, polymorph Form H, polymorph Form I or a mixture thereof. A polymorph of OXY133 is also provided and that polymorph can be polymorph Form A, polymorph Form B, polymorph Form C, polymorph Form D, polymorph Form E, polymorph Form F, polymorph Form G, polymorph Form H, polymorph Form I or a mixture thereof. Pharmaceutical compositions including OXY133 polymorphs are also provided.