Overview Efficacy of Zoledronic Acid in Osteoporosis Status: Recruiting Trial end date: 2025-06-08 Target enrollment: Participant gender: Summary There has been no comparative data between Zoledronic acid and Zoledronic acid combined with active vitamin D in primary and secondary osteoporosis. Phase: Phase 2 Details Lead Sponsor: Shinshu UniversityTreatments: AlfacalcidolDiphosphonatesHydroxycholecalciferolsVitamin DZoledronic Acid