In a @-week , double-blind trial , patients with type @ diabetes ( A@C @-@ @ % -LSB- @-@ mmol/mol -RSB- ) on basal insulin ( @-@ units ) and metformin with or without sulfonylurea/glinides were randomized ( @:@ ) to once-daily IDegLira + metformin or IDeg + metformin with titration aiming for fasting plasma glucose between @ and @ mmol/L .