“…Indeed, there are several reports in animal models that mechanistically demonstrate that either genetic deletion or pharmacological inhibition of these immune checkpoint molecules (PD-1 and PD-L1) enhance the rate and incidence of autoimmune diabetes [ 3 , 4 , 5 , 6 ]. While there are multiple reports that describe a temporal association between the use of PD-1 inhibitors for tumor therapy and the rapid induction of a late-onset autoimmune diabetes mellitus [ 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 ], only two reports to date associate PD-L1 inhibitors with diabetes mellitus (BMS-936559 [ 18 ] and an unspecified PD-L1 inhibitor [ 13 ]).…”