2. Besides NM, other known CNS disease, except for treated brain metastases(Patients must be at least 1 month out from brain irradiation and have no evidence of progression or hemorrhage at that time, as ascertained by clinical examination and brain imaging (MRI or CT) during the screening period). Anticonvulsants (stable dose) are allowed. Treatment for brain metastases may include whole brain radiotherapy, radiosurgery or a combination as deemed appropriate by the treating physician.