The invention provides a method for treating a subject suffering from a disease of the central nervous system which is associated with an inflammatory response, including, inter alia, multiple sclerosis, Amyotrophic Lateral Sclerosis (ALS), meningitis, Alzheimers disease, pain, HIV-associated dementia, stroke, traumatic brain injury, encephalomyelitis, chronic inflammatory demyelinating polyneuropathy, cerebral ischemia-induced injury or any combination thereof. This invention further provides for the use of a conjugate, or composition comprising the same, for treating the subject, wherein the conjugate comprises a lipid or phospholipid moiety bonded to a physiologically acceptable monomer, dimer, oligomer, or polymer.