Efficacy and Safety of Single Dose of 5 mg Zoledronic Acid in Chinese Patients With Paget's Disease of Bone (PDB)

Inclusion Criteria: * Confirmed diagnosis of PDB by radiological reports * Serum Alkaline Phosphatase level (SAP) at least two times the upper limit of the normal (ULN) Exclusion Criteria: * History of hypersensitivity to the active substance or to any of the excipients or to any bisphosphonates; * History of malignancy of any organ system * Severe liver or bladder disease; * Calculated creatinine clearance \< 35 mL/min at baseline; * Hypocalcaemia; * Patients with pre-existing dental diseases or who predict to have dental surgeries during the study; * Evidence of vitamin D deficiency. Other protocol-defined inclusion/exclusion criteria may apply.