DPP4 and Hypoglycemia: In both RCTs (pooled relative risk: 0.56; 95% confidence interval: 0.44–0.72) and observational studies, the usage of DPP-4 (Dipeptidyl peptidase inhibitor-4) inhibitors was linked to a lower incidence of feeling hypoglycemia during Ramadan (pooled relative risk: 0.27; 0.09–0.75).