Solid forms comprising N-(5-tert-butyl-isoxazol-3-yl)-N'-{4-[7-(2-morpholin-4-yl-ethoxy)imidazo[2,1-b][1,3]benzothiazol-2-yl]phenyl}urea, compositions comprising the solid forms, methods of making the solid forms and methods of their use for the treatment of various diseases and/or disorders are disclosed.本發明係揭示包含N-(5-第三-丁基-異噁唑-3-基)-N'-{4-[7-(2-嗎啉-4-基-乙氧基)咪唑并[2,1-b][1,3]苯并噻唑-2-基]苯基}脲之固體形式,包含此固體形式之組合物,製造此固體形式之方法,及其使用於治療各種疾病及/或病症之方法。