Disclosed herein is a method for stimulating axonal outgrowth of central nervous system (CNS) neurons comprising contacting the CNS neurons with an effective amount of NEP1-40 and inosine, to thereby stimulate axonal outgrowth. The method may further comprise contacting the CNS neurons with a cAMP modulator that increases the concentration of intracellular cAMP. Also disclosed is a method for treating a neurological disorder selected from the group consisting of traumatic brain injury, stroke, spinal cord injury, optic neuropathy, retinal nerve damage and optic nerve damage, in a patient in need thereof comprising administering an effective amount of NEP1-40 and inosine to the patient.
