The present invention provides a method of providing acute neuroprotection
by inducing the erythropoietin (EPO) signaling pathway in neuronal cells
close to or subsequent to the time of excitatory insult; and inducing an
insulin-like growth factor (IGF) signaling pathway in the neuronal cells
close to or subsequent to the time of excitatory insult, thereby
producing a synergistic acute neuroprotective effect in the neuronal
cells. The invention also provides a method of preventing or reducing the
severity of a neurologic condition in a subject by administering to the
subject EPO or an active fragment or analog thereof at a dose of at most
2000 U/kg; and administering to the subject an IGF or an active fragment
or analog thereof, thereby providing neuroprotection and preventing or
reducing the severity of the neurologic condition. Such a method can be
used to prevent or reduce the severity of, for example, Alzheimer's
disease, Parkinson's disease, Huntington's disease, epilepsy, amyotrophic
lateral sclerosis, multiple sclerosis, a movement disorder,
HIV-associated dementia, HIV-associated neuropathy, neuropathic pain,
migraine, glaucoma, drug addiction, drug withdrawal, drug dependency,
depression or anxiety.