Provide Expanded Access to MDV3100 and Monitor Its Safety in Patients With Progressive Castration-Resistant Prostate Cancer Previously Treated With Docetaxel-Based Chemotherapy

Inclusion Criteria:

* Histologically or cytologically confirmed adenocarcinoma of the prostate
* Ongoing androgen deprivation therapy with a gonadotropin-releasing hormone (GnRH) analogue (agonist or antagonist) or orchiectomy
* At least one prior chemotherapy regimen for metastatic castration-resistant prostate cancer with at least one regimen containing docetaxel
* Progressive disease as evidenced by prostate specific antigen (PSA) rise or radiographic or clinical worsening of disease
* No known or suspected brain metastasis
* There is no comparable or satisfactory alternative therapy to treat the subject's disease
* Eastern Cooperative Oncology Group (ECOG) performance status of 0-2

Exclusion Criteria:

* 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
* History of loss of consciousness or transient ischemic attack within the last 12 months
* Clinically significant cardiovascular disease
* Following lab values:

* Absolute neutrophil count is \<1,000/µL
* Platelet count is \<50,000/µL
* Hemoglobin is \< 5.6 mmol/L (9 g/dL)
* Total bilirubin ≥1.5 x upper limit of normal (ULN)
* Alanine aminotransferase (ALT) or Aspartate aminotransferase (AST) ≥2.5 x ULN
* Creatinine clearance is less than 30 ml/min by the Cockcroft and Gault formula
* Subject's conditions suggests that a bone fracture or complication of a bone fracture (such as compression of the spinal cord or other nerves) is likely to occur very soon
* Subject has participated in a previous clinical study of MDV3100 for which the primary endpoint has not yet been reported (e.g., the PREVAIL trial)