The present invention relates to substantially crystalline and solid state forms of N-(4-(7-azabicyclo[2.2.1]heptan-7-yl)-2-(trifluoromethyl)phenyl)-4-oxo-5-(trifluoromethyl)-1,4-dihydroquinoline-3-carboxamide (Form A-HCl, Form B, Form B-HCl, or any combination of these forms), pharmaceutical compositions thereof, and methods of treatment therewith.