Some early studies did not support an increased risk of pancreatitis in incretin-treated patients with T2DM, while other studies did agree that incretin-based therapies may associate with pancreatitis (Li et al., 2014; Monami et al., 2014; Giorda et al., 2015; Roshanov and Dennis, 2015). Here, GCG is linked to type 2 diabetes mellitus.