Postprandial Blood Glucose Control With BioChaperone® Combo and Insulin Lispro (Humalog®) Mix 25 in People With Type 1 Diabetes Mellitus

Inclusion criteria

• Type 1 diabetes mellitus (as diagnosed clinically) >= 12 months.
• Treated with multiple daily insulin injections or CSII >= 12 months.
• Current total daily insulin treatment < 1.2 (I)U/kg/day.
• Current total daily bolus insulin treatment < 0.7 (I)U/kg/day.
• Usual Insulin bolus dose between 0.8 and 2 (I)U per 10 g CH (both inclusive). Expecting prandial insulin dose range for standardised meal test between 5 and 12 (I)U.
• BMI 18.5-28.0 kg/m^2 (both inclusive).
• HbA1c <= 9.0% by local laboratory analysis
• Fasting C-peptide <= 0.3 nmol/L.

Exclusion criteria

• Known or suspected hypersensitivity to trial products or related products.
• Type 2 diabetes mellitus.
• Previous participation in this trial. Participation is defined as randomised.
• Participation in any Clinical Trial within 3 months prior to this trial.
• Clinically significant abnormal haematology, biochemistry, lipids, or urinalysis screening tests, as judged by the Investigator considering the underlying disease.
• Presence of clinically significant acute gastrointestinal symptoms (e.g. nausea, vomiting, heartburn or diarrhoea), as judged by the Investigator.
• Known slowing of gastric emptying and or gastrointestinal surgery that in the opinion of the investigator might change gastrointestinal motility and food absorption.
• Unusual meal habits and special diet requirements or unwillingness to eat the food provided in the trial.
• Women of child bearing potential, not willing to use contraceptive methods.