Evaluation of Bone Markers as Diagnostic Tools for Early Detection of Bone Metastases in Patients With High Risk Prostate Cancer

Exclusion Criteria

• •Prior treatment with a bisphosphonate
• •Abnormal renal function as evidenced by a calculated creatinine clearance \< 30 ml/minute.
• •Corrected (adjusted for serum albumin) serum calcium concentration \< 8.0 mg/dl (2.00 mmol/L) or ≥ 12.0 mg/dl (3.00 mmol/L).
• •Patients with clinically symptomatic brain metastases
• •History of diseases with influence on bone metabolism such as Paget's disease and primary hyperparathyroidism
• •Severe physical or psychological concomitant diseases that might impair compliance with the provisions of the study protocol or that might impair the assessment of drug or patient safety, e.g. clinically significant ascites, cardiac failure, NYHA III or IV, clinically relevant pathologic findings in ECG
• •Known hypersensitivity to zoledronic acid or other bisphosphonates
• •Use of other investigational drugs 30 days prior to the date of randomization
• •Known history or present abuse of alcohol or drugs
• •Subjects who, in the opinion of the investigator, are unlikely to cooperate fully during the study
• •Current active dental problems including infection of the teeth or jawbone (maxilla or mandibular); dental or fixture trauma, or a current or prior diagnosis of osteonecrosis of the jaw (ONJ), of exposed bone in the mouth, or of slow healing after dental procedures.
• •Recent (within 6 weeks) or planned dental or jaw surgery (e.g. extraction, implants)