Zoledronate Protects HIV Positive Men against Bone Loss for at Least 5 Years

This is groundbreaking 

Two doses sustain increases in bone density past 5 years (plus calcium and vitamin D)

https://www.hivandhepatitis.com/hiv-related-conditions/hiv-bone-loss-osteoporosis/3542-zoledronate-protects-hiv-positive-men-against-bone-loss-for-at-least-5-years