Saturated and unsaturated heteroarylcycloalkylmethyl-amine compounds corresponding to formula I, ##STR00001## processes for their preparation, pharmaceutical formulations comprising these compounds and the use of saturated and unsaturated heteroarylcycloalkylmethyl-amines for the preparation of pharmaceutical formulations. pharmaceutical formulations and related methods of treatment or prophylaxis of certain condition, especially depression and/or pain, are also disclosed.