More well‐designed studies that aim to: (i) identify patients with high glycemic variability and their appropriate treatment plans; (ii) compare the methods of intensive glucose monitoring (SMBG vs real‐time CGM vs intermittent CGM); and (iii) assess the efficacy and safety of the low‐glucose suspend insulin pumps, are crucial to providing more insights into the clinical utility of the CSII regimen in type 1 diabetes mellitus patients during Ramadan fasting. This evidence concerns the gene INS and diabetes mellitus.