Overview The Optimal Sequential Therapy After Long Term Denosumab Treatment Status: Recruiting Trial end date: 2025-12-31 Target enrollment: Participant gender: Summary This study intends to investigate whether Alendronate and Zoledronate can prevent bone mineral density loss after long-term treatment with Denosumab. Phase: Phase 4 Details Lead Sponsor: National Taiwan University HospitalTreatments: AlendronateZoledronic Acid