About this trial
Purpose: To examine the effect of addition of combination therapy with dapagliflozin plus pioglitazone to insulin on glucose control and plasma ketone concentration in patients with type 1 diabetes (T1DM) Research Design: 120 patients with type 1 diabetes who otherwise are healthy constitute the study population. After screening, eligible subjects will start 4 week run in. At week 4, subjects will receive dapagliflozin for 12 weeks. At week 16, subjects will be randomized to receive in a double blind fashion pioglitazone or placebo for 16 weeks.
Methods: the following techniques will be employed in the present study: (1) mixed meal tolerance test; (2) indirect calorimetry; (3) continuous glucose monitoring.
Clinical Relevance: the results of the present study will demonstrate that the addition of pioglitazone to SGLT2 inhibitor in T1DM patients produces greater reduction in the HbA1c without increasing risk of ketoacidosis and hypoglycemia.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age >18 years
T1DM
Good general health
Fasting C-peptide concentration <0.7 ng/ml
Disqualifiers
T2DM
Daily insulin dose <0.6 U/kg per day
Fasting C-peptide >0.7 ng/ml
HbA1c <7.0% or >11.0%
Trial design
Parallel
Treatments tested in this trial
Pioglitazone 45 mg
Drugpatients will be started on 15 mg and the dose escalated to the maximal tolerated dose
Placebo
DrugPATIENTS WILL RECEIVE PLACEBO
Treatment groups
Trial outcomes
Primary outcomes
Decrease in HbA1c
Secondary outcomes
plasma ketones
increase in plasma ketone concentration
insulin dose
decrease in daily insulin dose
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