The present invention provides methods for inhibiting Fyn kinase, using 5-3-pyridin-2-amine, 6-3-imidazo[1,2-a] pyrazine, 6-3-imidazo[1,2-b] pyridazine, N-(5-imidazo [2,1-b][1,3,4] thiadiazol-2-yl)-amine, 4-3-lH-pyrazolo[3,4- b] pyridine, and N-(3-imidazo [1,2-b] pyridazin-6-yl) amine compounds and methods of treatment, prevention, inhibition or amelioration of diseases and conditions associated with Fyn kinase using such compounds.La presente invención proporciona métodos para inhibir la Fyn quinasa, usando compuestos 5-3-piridin-2-amina, 6-3-imidazo[1,2-a]pirazina, 6-3-imidazo[1,2-b]piridazina, N-(5-imidazo[2,1-b][1,3,4]tiadiazol-2-il)-amina, 4-3-1H-pirazolo[3,4-b]piridina y N-(3-imidazo[1,2-b]piridazin-6-iI )amina y métodos de tratamiento, prevención, inhibición o mejora de enfermedades y estados asociados con Fyn quinasa usando tales compuestos.