Patients with a history of uncontrolled seizure disorder; including focal or generalized seizure may not have had a seizure within one year prior to registration Seizure disorders requiring anticonvulsant therapy. Documented history of or current brain metastases due to seizure risk Contraindication to the use of bupropion including seizure disorder or conditions that increase the risk of seizure (including bulimia and/or anorexia nervosa, central nervous system [CNS] tumor, severe stroke, abrupt withdrawal from benzodiazepines or alcohol) Known brain metastases or history of seizure Patients with active seizure or history of seizure are not eligible Have a history of a seizure Seizure disorders requiring anticonvulsant therapy. Past or current history of epilepsy or seizure disorder; exception: well-documented febrile seizure of childhood Known central nervous system (CNS) metastases or seizure disorder; patients with known brain metastases that have been successfully treated and stable for >= 6 months without requirement for corticosteroids and without seizure activity will be eligible Inadequate seizure control Patients with active seizure or a history of seizure are not eligible Patients must NOT have active seizure(s) or history of seizure(s) PHASE II: Patients must NOT have active seizure(s) or history of seizure(s) Patients with a history of seizure disorder requiring antiepileptics who have had a seizure episode within the last 6 months Patients with history of seizure disorder requiring antiepileptics who have had a seizure episode within the last 6 months For Cohort C: Has a history of seizure or any condition that may predispose to seizure Patients must not have active seizure or history of seizure Subject has a history of seizure or any condition that may predispose to seizure. History of seizure or any condition that may predispose to seizure; A history of seizure within 12 months prior to study entry. Has a history of seizure History of seizure or any condition or concurrent medication that may predispose to seizure Concurrent therapy with medications known to have seizure potential History of seizure or any condition or concurrent medication that may predispose to seizure past history of seizure due to any cause except a single febrile seizure in childhood. Patients with a history of seizures should not have had a seizure within 12 months of Screening and must have had no anticonvulsants for 12 months prior to Screening, Subject has a history of seizure within the past 12 months of Screening as assessed by neurology examination and history. History of seizure or condition that may pre-dispose to seizure Any history of seizure or condition that may predispose to seizure Patients with uncontrolled seizure disorders No uncontrolled seizure disorders Patients must not have a history of any type of seizure for at least 10 years prior to registration. Concurrent treatment with medications known to have seizure potential History of seizure or condition that may predispose to seizure Patients must not have uncontrolled central nervous system disease; patients with a history of seizure disorders must be seizure-free for one year prior to enrollment Known brain metastases, uncontrolled seizure disorders, encephalitis, or multiple sclerosis History of seizure or any condition that may predispose to seizure. Seizure disorders requiring anticonvulsant therapy History of seizure disorders Any history of brain metastases or prior seizure or conditions predisposing to seizure activity Focal or generalized seizure within the last 12 months. Uncontrolled seizure activity. History of seizure Prior seizures < 3 months prior to enrollment. Subjects with a history of seizure disorders ? 3 months prior to enrollment must be seizure free and on stable anticonvulsant medication(s) for ? 3 months prior to enrollment). Subjects with uncontrolled seizure Seizure disorders History of a seizure disorder diagnosis or have experienced a seizure in the past 12 months PATIENTS: History of neuroleptic malignant syndrome or active seizure disorder (with seizure episode within the past week) Patient has an active seizure disorder; (patients with a previous history of seizure disorders will be eligible for the study, if they have had no evidence of seizure activity, and they have been free of anti-seizure medication for the previous 5 years) Survivors who report ever being diagnosed with a seizure disorder or have experienced a seizure in the past 12 months will be excluded Patients who have a history of head injury or who have known seizure activity Patients with seizure disorders treated with anticonvulsants Patients who have a history of head injury or who have known seizure activity. Any history of brain metastases or prior seizure or conditions predisposing to seizure activity Documentation of history of seizure within previous 5 years Patients with prior seizure history who have experienced a seizure within the three months prior to enrollment are excluded Patients receiving glucocorticoids and/or anti-seizure medications are eligible for this study Patients with a seizure history will not be permitted on protocol; patients on anticonvulsant medications will not be permitted on study History of seizure or any condition that may predispose to seizure including, but not limited to, underlying brain injury, stroke in the past 6 months, primary brain tumors, brain metastases Subject has a history of seizure or any condition that may predispose to seizure including, but not limited to, underlying brain injury, stroke in the past 6 months, primary brain tumors, brain metastases, prior seizures History of seizure or any condition that may predispose to seizure (e.g., prior cortical stroke, significant brain trauma) at any time in the past; also, history of loss of consciousness or transient ischemic attack within 12 months of day 1 visit History of seizure or any condition that may predispose to seizure (e.g., prior cortical stroke, significant brain trauma) at any time in the past; also, history of loss of consciousness or transient ischemic attack within 12 months before day 1 seizure or any condition that may predispose to seizure (e.g., prior cortical stroke or significant brain trauma). History of seizure or any condition that may predispose to seizure (e.g., prior cortical stroke or significant brain trauma) Patient has a history of seizures or any condition that may predispose to seizures (e.g., prior cortical stroke, significant brain trauma) at any time in the past and/or a history of loss of consciousness or transient ischemic attack within 12 months of the cycle 1, day 1 visit. History of seizure or any condition that may predispose subject to seizure (e.g., prior cortical stroke or significant brain trauma). The subject has a history of seizure or any condition that may predispose to seizure (e.g., prior cortical stroke, significant brain trauma). Subject has a history of seizure or any condition that may predispose to seizure (e.g., prior cortical stroke, significant brain trauma, encephalopathy within 3 months of Day 1). seizure or any condition that may predispose to seizure (e.g., prior cortical stroke or significant brain trauma). History of seizure or any condition that may predispose to seizure (e.g., prior cortical stroke or significant brain trauma, history of loss of consciousness or transient ischemic attack within 12 months of study entry); diabetics on a stable dose of insulin or antihyperglycemic regimen are allow if they have had no prior seizures and no history of loss of consciousness due to hypoglycemia History of seizure or any condition that may predispose to seizure (e.g., prior cortical stroke, significant brain trauma) at any time in the past; also, history of loss of consciousness or transient ischemic attack within 12 months of day 1 visit No history of seizure or any condition that may increase the patient’s seizure risk (e.g., prior cortical stroke, significant brain trauma); no history of transient ischemic attack (TIA) within 12 months of enrollment History of seizure or any condition that may predispose to seizure (e.g., prior cortical stroke or significant brain trauma, history of loss of consciousness or transient ischemic attack within 12 months of study entry) or concurrent medication that may predispose to seizure; diabetics on a stable dose of insulin or antihyperglycemic regimen are allowed if they have had no prior seizures and no history of loss of consciousness due to hypoglycemia History of seizure or any condition that may predispose to seizure (e.g., prior cortical stroke, significant brain trauma); also, history of loss of consciousness or transient ischemic attack within 12 months of enrollment History of seizure or any condition that may predispose to seizures (e.g., prior cortical stroke or significant brain trauma) at any time in the past. History of loss of consciousness or transient ischemic attack within 12 months of screening. History of (a) seizure or any condition that may predispose to seizure (prior cortical stroke or significant brain trauma); (b) loss of consciousness or transient ischemic attack within 12 months prior to day 1 of cycle 1. History of seizure or any condition that may predispose subject to seizure (e.g., prior cortical stroke or significant brain trauma). History of loss of consciousness or transient ischemic attack within 12 months of randomization History of seizure or any condition that may predispose to seizure (e.g., prior cortical stroke, significant brain trauma) at any time in the past; also, history of loss of consciousness or transient ischemic attack within 12 months of day 1 visit History of seizure or any condition that may predispose to seizure (e.g., prior cortical stroke, significant brain trauma) at any time in the past; also, history of loss of consciousness or transient ischemic attack within 12 months of the day 1 visit History of seizure or any condition that may predispose to seizure (e.g., prior cortical stroke, significant brain trauma) at any time in the past History of seizure or any condition that may predispose to seizure (e.g., prior cortical stroke, prior head or traumatic brain injury with loss of consciousness, prior or current space-occupying lesion in the brain); also, history of loss of consciousness or transient ischemic attack within 12 months of day 1 visit Seizure or known condition that may pre-dispose to seizure (including but not limited to prior stroke or transient ischemic attack within 1 year prior to first dose, brain arteriovenous malformation; or intracranial masses such as schwannomas and meningiomas that are causing edema or mass effect); loss of consciousness within 12 months may be permitted upon discussion with study principle investigator (PI) Seizure or known condition that may pre-dispose to seizure (e.g. prior stroke within 1year to randomization, brain arteriovenous malformation, Schwannoma, meningioma, or other benign CNS or meningeal disease which may require treatment with surgery or radiation therapy) History of seizure or condition that may predispose to seizure; also, history of loss of consciousness or transient ischemic attack within 12 months of (day 1 visit) Patients with history of seizure as an adult including febrile seizure or any condition that may predispose to seizure (e.g., prior stroke, brain arteriovenous malformation, head trauma with loss of consciousness requiring hospitalization). Also current or prior treatment with anti-epileptic medications for the treatment of seizures. Transient ischemic attack within 12 months prior to study enrollment will not be permitted. History of seizure, seizure disorder, or any condition that may predispose to seizure including, but not limited to underlying brain injury, stroke, primary brain tumors, brain metastases, or alcoholism. Also, history of loss of consciousness or transient ischemic attack within 12 months of enrollment (day 1 visit). Drugs may not be used which are known to decrease the seizure threshold History of seizure or any condition that may increase the patient’s seizure risk. Also, history of loss of consciousness or transient ischemic attack within 12 months of day 1 History of seizure or any condition that may predispose to seizure (e.g., prior cortical stroke, prior head or traumatic brain injury with loss of consciousness, prior or current space-occupying lesion in the brain); also, history of loss of consciousness or transient ischemic attack within 6 months of enrollment Patients with a history of seizure disorder, underlying brain injury with loss of consciousness, transient ischemic attack within the past 12 months, cerebral vascular accident, brain metastases, brain arteriovenous malformation Seizure or known condition that may pre-dispose to seizure (e.g. prior stroke within 1 year to randomization, brain arteriovenous malformation, schwannoma, meningioma, or other benign central nervous system [CNS] or meningeal disease which may require treatment with surgery or radiation therapy) History of seizure or condition that may pre-dispose to seizure (including but not limited to prior stroke, transient ischemic attack, loss of consciousness within 1 year prior to randomization, brain arteriovenous malformation; or intracranial masses such as schwannomas and meningiomas that are causing edema or mass effect) History of any of the following:\r\n* Seizure or known condition that may pre-dispose to seizure (including but not limited to prior stroke, transient ischemic attack, loss of consciousness within 1 year prior to randomization, brain arteriovenous malformation; or intracranial masses such as schwannomas and meningiomas that are causing edema or mass effect)\r\n* Severe or unstable angina, myocardial infarction, symptomatic congestive heart failure, arterial or venous thromboembolic events (e.g., pulmonary embolism, cerebrovascular accident including transient ischemic attacks), or clinically significant ventricular arrhythmias within 6 months prior to randomization\r\n* Any condition that in the opinion of the investigator, would preclude participation in this study History of seizure or known condition that may pre-dispose to seizure (including but not limited to prior stroke or, loss of consciousness within 1 year prior to randomization, brain arteriovenous malformation; or intracranial masses such as schwannomas and meningiomas that are causing edema or mass effect) History of seizure or any condition that may predispose to seizure; history of loss of consciousness or transient ischemic attack within 12 months before day 1 Patients with prior history of seizure, underlying brain injury with loss of consciousness, transient ischemic attack within the past 12 months, cerebral vascular accident, brain arteriovenous malformation or the use of concomitant medications that may lower the seizure threshold or other conditions predisposing to seizure History of seizure or any condition that may predispose to seizure; history of loss of consciousness or transient ischemic attack within 12 months before day 1. History of seizure or condition that may pre-dispose to seizure (e.g., prior stroke within 1 year prior to randomization, brain arteriovenous malformation, Schwannoma, meningioma, or other benign central nervous system (CNS) or meningeal disease which may require treatment with surgery or radiation therapy History of seizure or any condition that may predispose to seizure within 12 months prior to study treatment, including history of unexplained loss of consciousness or transient ischemic attack Seizure or known condition that may pre-dispose to seizure (including but not limited to prior stroke, transient ischemic attack, loss of consciousness within 1 year prior to randomization, brain arteriovenous malformation; or intracranial masses such as schwannomas and meningiomas that are causing edema or mass effect) Patients with a history of seizures, predisposing factors for seizures, including underlying brain injury with loss of consciousness within previous 12 months, transient ischemic attack within previous 12 months, cerebral vascular accident or brain arteriovenous malformation History of seizure, underlying brain injury with loss of consciousness, transient ischemic attack within the past 12 months, cerebral vascular accident, brain metastases, and brain arteriovenous malformations Patients with a history of seizure, underlying brain injury with loss of consciousness, transient ischemic attack within the past 12 months, cerebral vascular accident, brain metastases, brain arteriovenous malformation or the use of concomitant medications that may lower the seizure threshold History of seizure including febrile seizure or any condition that may predispose to seizure (e.g., prior stroke, brain arteriovenous malformation, head trauma with loss of consciousness requiring hospitalization); also, current or prior treatment with antiepileptic medications for the treatment of seizures or history of loss of consciousness or transient ischemic attack within 12 months prior to randomization History of seizure or condition that may predispose to seizure (e.g., prior stroke within 1 year of starting study drug, brain arteriovenous malformation) History of seizures (taking/not taking anticonvulsants), arteriovenous malformation in the brain, head trauma with loss of consciousness History of seizure or any condition that may predispose to seizure including, but not limited to underlying brain injury, stroke, primary brain tumors, brain metastases, or alcoholism; also, history of loss of consciousness or transient ischemic attack within 12 months of enrollment (day 1 visit) History of seizure, including any febrile seizure, loss of consciousness, or transient ischemic attack, or any condition that may pre-dispose to seizure (e.g., prior stroke, brain arteriovenous malformation, head trauma with loss of consciousness requiring hospitalization) Patients with history of seizure as an adult including febrile seizure or any condition that may predispose to seizure (e.g., prior stroke, brain arteriovenous malformation, head trauma with loss of consciousness requiring hospitalization); also, current or prior treatment with anti-epileptic medications for the treatment of seizures or history of loss of consciousness; also transient ischemic attack within 12 months prior to randomization will not be permitted Any history of seizure or a condition that may pre-dispose to seizure (e.g., prior stroke within 1 year prior to randomization, brain arteriovenous malformation, Schwannoma, meningioma, or other benign CNS or meningeal disease which may require treatment with surgery or radiation therapy). Patients with predisposing factors for seizure including history of seizure, underlying brain injury with loss of consciousness, transient ischemic attack within the past 12 months, cerebral vascular accident, brain metastasis, and brain arteriovenous malformation History of seizure, underlying brain injury with loss of consciousness, transient ischemic attack within the past 12 months, cerebral vascular accident, brain arteriovenous malformation or the use of concomitant medications that may lower the seizure threshold (not applicable to patients who have already been treated with enzalutamide in first line before inclusion). History of seizure or any condition that may predispose to seizure including, but not limited to underlying brain injury, stroke, primary brain tumors, brain metastases, or alcoholism. Also, history of loss of consciousness or transient ischemic attack within 12 months of enrollment (Day 1 visit) History of seizure or any condition or concurrent medication that may predispose to seizure (including but not limited to prior stroke, transient ischemic attack, loss of consciousness within one year prior to randomization, brain arteriovenous malformation; or intracranial masses such as schwannomas and meningiomas that are causing edema or mass effect) History of significant neurological disease including poorly controlled seizures (i.e., > 1 seizure per month; anti-epileptic medications are acceptable), stroke, or head injury with loss of consciousness Significant history of head injury/trauma as defined by loss of consciousness for more than one hour Have a history of seizure or loss of consciousness History of seizure including febrile seizure or any condition that may predispose to seizure (e.g., prior stroke, brain arteriovenous malformation, head trauma with loss of consciousness requiring hospitalization); also, current or prior treatment with antiepileptic medications for the treatment of seizures or history of loss of consciousness or transient ischemic attack within 12 months of enrollment History of seizure, including any febrile seizure, loss of consciousness, or transient ischemic attack, or any condition that may pre-dispose to seizure (e.g., prior stroke, brain arteriovenous malformation, head trauma with loss of consciousness requiring hospitalization) History of neurological disease known to affect cognition prior to initiating chemotherapy (e.g., stroke, head injury with loss of consciousness of > 30 minutes, seizure disorder, demyelinating disorder, mental retardation, primary brain tumor, brain metastases, etc.) History of seizure, including any febrile seizure, loss of consciousness, or transient ischemic attack, or any condition that may predispose to seizure (e.g. prior stroke, brain arteriovenous malformation, head trauma with loss of consciousness requiring hospitalization)