Patients aged @ years with type @ diabetes treated with metformin ( sulfonylurea ) for at least @ months with a baseline HbA@c @-@ @ % ( @-@ @ mmol/mol ) were randomly assigned ( @:@ ) via a computer-generated randomisation sequence with a voice response system to receive albiglutide ( @ mg once a week , n = @ ) or insulin glargine ( @ U once a day , n = @ ) added to current therapy .