Combination Iodine 125 Seed Implants and LHRH Agonists for Locally Advanced (Stage T3) Prostate Cancer

1. Provision of written informed consent
2. T2c-T3b N0 M0 (biopsy、 bone scan、 CT、 MRI)
3. No Metastasis (bone scan、 CT、 MRI)
4. PSA level>10ng/ml
5. Histological or cytological confirmation of prostate cancer
6. Able to understand and comply with the requirements of the study

Exclusion Criteria:

1. Having been treated with external radiation therapy or chemistry therapy.
2. Clinical relevant disease and/or abnormalities (past or present), eg, significant cardiovascular, renal or liver disease, malignancy, gastro-intestinal disorders, or other conditions which could affect the absorption/elimination of drugs.
3. Alanine amino transferase (ALT) or aspartate amino transferase (AST) greater than 2 times the upper limit of normal (ULN) at screening findings that make it undesirable for the patient to participate in the study in the opinion of the investigator(s)
4. In the opinion of the investigator(s), any evidence of severe or uncontrolled systemic disease (eg, currently unstable or unresolved respiratory, cardiac, hepatic, or renal disease).
5. Contra-indications (eg, known or suspected allergy) to GnRH antagonists or excipients(non-active ingredients of investigational product).
6. Treatment with a non-approved or investigational drug within 30 days before study entry.
7. Bibulosity or drug abuse.