Participants with T1DM treated with any basal-bolus insulin regimen for 12 months prior to the trial , a mean HbA1c 10.0 % ( 85.8 mmol/mol ) and body mass index ( BMI ) 35.0 kg/m ( 2 ) at screening participated in the trial ( IDeg : N = 302 ; IDet : N = 153 ) .