1. Patients with pathologically confirmed diagnosis of advanced, recurrent breast cancer with at least one progressive and/or new metastatic brain lesion, that are refractory to standard therapy or for whom no standard therapy exist. Brain metastases may be stable, progressive, symptomatic or asymptomatic brain metastasis/es. Stable or decreasing dosage of steroids (e.g. dexamethasone) for 7 days prior to baseline MRI or non-enzyme inducing anti-epileptic drugs is allowed.