Of 87 subjects randomized , 77 completed the study ( median age 53.1 [ IR 42.3-61 .2 ] , median BMI 24.3 Kg/m ( 2 ) [ IR 21.3-28 .5 ] , median duration of insulin therapy [ in months ] 141.4 ( IR 56.3-256 .9 ) , median baseline HbA1c 7.9 % [ IR 7.2-8 .8 ] ) .