The present invention relates to pharmaceutical compositions comprising glandular kallikrein in combination with myelin basic protein or copaxone for use in the treatment of multiple sclerosis. The present invention further relates to a method of suppressing autoimmune responses in a patient afflicted with or suffering at least one clinical sign of multiple sclerosis, comprising administering to said patient a therapeutically effective amount of glandular kallikrein in combination with a therapeutically effective amount of myelin basic protein or copaxone.