solid forms of the compound hcl [5- (5-chloro-1h-pyrrolo [2,3-b] pyridin-3-ylmethyl) -pyridin-2-yl] - (6-trifluoromethyl-pyridin-3-ylmethyl) salt -amine (compound i) and its free base, active on c-kit and / or c-fms and / or flt3 receptor protein kinases, were prepared and characterized. methods of using solid forms are also provided.formas sólidas do composto sal de hcl [5-(5-cloro-1h-pirrolo[2,3-b]piridin-3-ilmetil)-piridin-2-il]-(6-trifluorometil-piridin-3-ilmetil)-amina (composto i) e a sua base livre, ativas nas proteínas quinases receptoras c-kit e/ou c-fms e/ou flt3, foram preparadas e caracterizadas. também são fornecidos métodos de uso das formas sólidas.