Use of a specific cyclic amine derivative or the pharmaceutically acceptable salts thereof for the treatment or prevention of heart failure

A method of treating systolic heart failure or diastolic heart failure, said method comprising:

• selecting a pharmaceutical composition that, when administered to a patient, is known to not produce any significant effect in retinal side effects of the patient as measured by an electroretinogram (ERG) response of the patient to a sinusoidally modulated light stimuli, wherein the pharmaceutical composition comprises a therapeutically effective amount of cilobradine or a pharmaceutically acceptable salt thereof, together with a pharmaceutically suitable carrier, the therapeutically effective amount being between 0.05 and 5 mg/kg body weight;
• and
• administering to the patient the pharmaceutical composition.