A negative RCT shows yearly treatment with Zolendronic acid fails to change tibiofemoral cartilage volume (by MRI) in Knee Osteoarthritis patients with bone marrow lesions. 223 knee OA pts recv ZOL vs PBO x24 mos , w/ no change inVAS pain (-11.5 vs -16.8) https://t.co/N7N0rL8iCX