Study to Evaluate the Efficacy and Safety of Temozolomide in Subjects With Brain Metastases of Either Malignant Melanoma, Breast, or Non-small Cell Lung Cancer (P02064)

150 mg/m2 given once a day for 7 consecutive days (Days 1 through 7) repeated every other week until disease progression or toxicity or for a maximum of one year. After amendment, schedule was modified: a second rest week was added after the second wash-out week (Days 1 through 7, 15 through 21 every 35).