Safety and Efficacy Study of Denosumab in Patients With Recurrent or Unresectable Giant Cell Tumor of Bone

An Open-Label, Multi-Center, Phase 2 Safety and Efficacy Study of Denosumab (AMG 162) in Subjects With Recurrent or Unresectable Giant Cell Tumor (GCT) of Bone

To determine how safe and effective denosumab is in treating patients with giant cell tumor of bone.

Inclusion Criteria:

• Adults, 18 years and older
• Histologically confirmed and measurable giant cell tumor (GCT)
• Recurrent GCT confirmed by radiology or unresectable GCT
• Eastern Cooperative Oncology Group (ECOG) performance status of 0, 1 or 2

Exclusion Criteria:

• Pateints for whom surgery to the affected limb/area is planned within 27 days after receiving 1st dose of denosumab
• Radiation to affected region within 28 days before enrollment to study
• Known diagnosis of osteosarcoma or brown tumor of bone
• Known history of second malignancy within the past 5 years, except for basal cell carcinoma or cervical carcinoma in situ
• Concurrent treatment with bisphosphonates, calcitonin, or interferon.

Other criteria also apply.