Study duration per participant is approximately 110 weeks (Screening period of up to 2 weeks, 2 week single-blind run-in period), a 26-week double-blind core treatment period, a 78-week double-blind extension period, and a 2- week post treatment follow up period.
Dual-energy X-ray absorptiometry (DXA) scans will be performed to assess Bone Mineral Density and Fat vs. Lean body mass at baseline and Weeks 26, 52, and 104.