Crystalline Forms of Apalutamide

Abstract

The present disclosure provides crystalline forms of apalutamide. Specific crystalline forms provided by the disclosure include apalutamide Form APO-I, a cocrystal solvate of apalutamide, vanillin, and n-butyl acetate; apalutamide Form APO-II, a cocrystal solvate of apalutamide, ethylvanillin, and n-butyl acetate; apalutamide Form APO-III, a cocrystal of apalutamide and 4-aminobenzoic acid; and apalutamide Form APO-IV, a cocrystal of apalutamide and vanillin. Also provided are pharmaceutical compositions including the apalutamide crystalline forms and the use of these forms in the treatment of prostate cancer, and in particular metastatic and non-metastatic castration-resistant prostate cancer.

Dependencies are inferred from the claim text.