The present invention relates to methods for treating multiple sclerosis by administering therapeutically effective amounts of an alpha-fetoprotein polypeptide (or a biologically active fragment, derivative, or analog thereof) and an integrin antagonist (e.g., natalizumab) to a patient in need thereof. Also disclosed are compositions and kits that comprise therapeutically effective amounts of an alpha-fetoprotein polypeptide (or a biologically active fragment, derivative, or analog thereof) and an integrin antagonist (e.g., natalizumab).