The mean HbA1c changes to 52 weeks were ( least squares mean SE ) : -1.10 0.06 % ( -12.0 0.7 mmol/mol ) , -0.87 0.06 % ( 9.5 0.7 mmol/mol ) , and -0.39 0.06 % ( 4.3 0.7 mmol/mol ) for dulaglutide 1.5 mg , dulaglutide 0.75 mg , and sitagliptin , respectively .