Complete but transient relief of chronic cluster headache with mycophenolate mofetil

Chronic cluster headache is one of the most disabling of all neurologic conditions. New effective therapies for refractory chronic cluster headache are needed. The unique sensitivity of most cluster headache patients to corticosteroid treatment suggests that steroid-sparing immunosuppressive drugs may show benefit as cluster headache preventives. A patient is presented who had complete but transient relief of chronic cluster headache with mycophenolate mofetil.