Overview 3 yr Efficacy & Safety Study of Zoledronic Acid in Post-menopausal Women With Osteoporosis Treated With Zol Acid for 6 Yrs Status: Completed Trial end date: 2013-04-01 Target enrollment: Participant gender: Summary This second extension will evaluate the efficacy and long term safety of zoledronic acid in women with post-menopausal osteoporosis Phase: Phase 3 Details Lead Sponsor: Novartis PharmaceuticalsTreatments: DiphosphonatesZoledronic Acid