IV zoledronic acid (ZA) does not prevent future knee replacement (TKR) in symptomatic knee OA without severe joint space narrowing (JSN). In 222 Knee OA pts, after 7 yrs F/U, ZA had more TKR (39% vs 30%; HR 4.2' 1.2-14.7) https://t.co/2cGeqz2Rwu https://t.co/1UiODwQiK6