Inclusion Criteria:

Each patient must meet all of the following inclusion criteria:

- Male patients 18 years or older

- Eastern Cooperative Oncology Group performance status 0-2

- Male patients who Practice effective barrier contraception during study and for 4
months after the last dose of study drug, OR Abstain from heterosexual intercourse.

- Voluntary written consent

- Histologically or cytologically confirmed diagnosis of prostate adenocarcinoma
without radiographic evidence of metastasis but with a rising PSA during or following
the patient's most recent antineoplastic therapy despite castrate concentrations of
testosterone

- Baseline PSA must be greater than or equal to 2 ng/mL and PSA doubling time must be
less than or equal to 8 months OR baseline PSA must be greater than or equal to 8
ng/mL if PSA doubling time is greater than 8 months

- Has undergone orchiectomy or will continue receiving GnRH analogue therapy

- Meet screening laboratory values as specified in protocol

Exclusion Criteria:

Patients meeting any of the following exclusion criteria are not to be enrolled in the
study:

- Known hypersensitivity to TAK-700 or related compounds

- Received any of the following within 30 days prior to the first dose of TAK-700: any
investigational compound; prior herbal product known to decrease PSA; radiation
therapy for prostate cancer; OR chronic therapy with corticosteroids

- Received prior therapy with aminoglutethimide or ketoconazole

- Received antiandrogen therapy within 4 weeks for flutamide and 6 weeks for all others
prior to first dose of study drug

- Received prior chemotherapy for prostate cancer

- Current bladder neck outlet obstruction caused by prostate cancer, current spinal
cord compression, or current bilateral hydronephrosis

- Symptoms that investigator deems related to prostate cancer

- Diagnosis or treatment of another malignancy within 2 years preceding first dose of
study drug except nonmelanoma skin cancer or in situ malignancy completely resected

- History of adrenal insufficiency

- Uncontrolled cardiovascular condition

- Known history of human immunodeficiency virus (HIV) infection, hepatitis B, or
hepatitis C

- Unwilling or unable to comply with protocol

- Major surgery or serious infection within 14 days of first dose of TAK-700

- Life-threatening illness unrelated to cancer

- Uncontrolled nausea, vomiting or diarrhea

- Known gastrointestinal disease or procedure that could interfere with oral absorption
or tolerance of TAK-700