“…In recent decades the definition, classification and treatment of ROD were changed as a consequence of the introduction of new drugs and the prolonged survival of patients ( Table 1 [ 4 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 , 20 , 21 , 22 , 23 ]). Indeed, Malluche et al highlighted [ 18 ], in 630 bone biopsies carried out in CKD patients, both in Europe and the USA, from 2003 to 2008, a switch from a high bone turnover, as revealed in the past studies, to 58% of patients with a low bone turnover.…”