CST3 and cervical squamous intraepithelial neoplasia: Mei et al. 2022 indirectly compared Nicorandil on the prevention of CIN with peptide therapies and provided a relatively smaller analysis than the present review, Still, unfortunately, they did not review the other renal parameters such as eGFR and serum cystatin C, similar to Butt et al. [46, 52].