In this phase @ , @-week , open-label , randomised trial , adults with type @ diabetes , HbA@c of @-@ % ( inclusive ) , a BMI of @ kg/m ( @ ) or less , and treated with metformin with or without pioglitazone were randomly assigned ( @:@:@ ) to daily injections of IDegLira , insulin degludec , or liraglutide ( @ mg per day ) .