While the CCDC26 variant rs55705857 has been shown to have a significantly larger OR in females versus males with respect to risk of developing glioma in case–control analyses,6,7 we did not observe a statistically significant different OR between females and males in the case–case analyses comparing IDHmut versus IDHwt glioma (Supplementary Table S7). Here, CCDC26 is linked to glioma.