A 33-year-old woman comes to the physician for a 1-week history of unpredictable urge to void accompanied by running to the bathroom 8-12 times daily, as well as blurry vision in her left eye. Physical examination shows decreased visual acuity in the left eye. There is mild spasticity in both arms and clonus of the left foot. An MRI of the brain is shown. Intravenous pharmacotherapy is initiated. Following resolution, which of the following agents is most likely to decrease recurrence of this patient’s symptoms?
Baclofen
Cyclophosphamide
Interferon-beta
Methotrexate
Perfendione
