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The purpose of this study is to determine the effect of adding liraglutide to high dose insulin therapy compared to high dose insulin therapy alone in patients with insulin-treated Type 2 diabetes with insulin requirements of > 100 units of insulin per day.
40 subjects with Type 2 diabetes using > 100 units of insulin per day with or without metformin with HbA1c > 6.5% will be randomized into 2 treatment groups: treatment group will have liraglutide added to insulin and control group will have insulin uptitration only for 6 months. Primary endpoint to be compared between groups will be HbA1c at 6 months. Secondary endpoints will include weight, total daily insulin dose, percent time in euglycemic, hyperglycemic, and hypoglycemic ranges by continuous glucose monitor (CGM), and effect on GlycoMark and hs-CRP. Safety endpoints will include incidence of hypoglycemia and incidence of gastrointestinal side effects.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| liraglutide plus insulin | Experimental | Patients were randomized to receive liraglutide plus insulin (LIRA) for 12 months. |
|
| Insulin titration only | Active Comparator | Patients were randomized to receive insulin only (control) for 6 months. The controls were then crossed over to receive liraglutide plus insulin for 6 months after the initial control period. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Liraglutide | Drug | SC, 1.8mg,QD, six months to one year |
|
| Measure | Description | Time Frame |
|---|---|---|
| Change from baseline in HbA1c at six months | Glycemic control as measured by HbA1c | baseline and six months |
| Measure | Description | Time Frame |
|---|---|---|
| Hypoglycemia | The frequency and severity of hypoglycemia in each treatment arm by glucose meter download and by percent time spent in the hypoglycemic range (BG < 70 mg/dl) by CGM will be assessed at six and 12 months | 6 months and 12 months |
| Total Daily Insulin Dose (TDID) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Wendy S Lane, MD | Mountain Diabetes and Endocrine Center | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Mountain Diabetes and Endocrine Center | Asheville | North Carolina | 28803 | United States |
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| ID | Term |
|---|---|
| D003924 | Diabetes Mellitus, Type 2 |
| D007333 | Insulin Resistance |
| ID | Term |
|---|---|
| D003920 | Diabetes Mellitus |
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
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| ID | Term |
|---|---|
| D000069450 | Liraglutide |
| D007328 | Insulin |
| D000069057 | Insulin Detemir |
| D061267 | Insulin Aspart |
| ID | Term |
|---|---|
| D052216 | Glucagon-Like Peptide 1 |
| D004763 | Glucagon-Like Peptides |
| D052336 | Proglucagon |
| D005768 | Gastrointestinal Hormones |
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| Insulin | Drug | SC, will be titrated during the study, 4 times a day, 1 year |
|
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TDID will be determined in each treatment arm for statistical comparisons at three and six months, and for entire cohort at nine and 12 months. |
| 3, 6, 9, and 12 months |
| Weight | Weight will be statistically compared to baseline and between treatment arms at three and six months, and for entire cohort between baseline, six, nine and 12 months. | baseline, 3, 6, 9, and 12 months |
| GlycoMark | Postprandial glycemic control as assessed by GlycoMark and CGM will be compared between study groups at three and six months, and for entire cohort compared to baseline at nine and 12 months. | baseline, 3, 6, 9, and 12 months |
| D004700 | Endocrine System Diseases |
| D006946 | Hyperinsulinism |
| D006728 |
| Hormones |
| D006730 | Hormones, Hormone Substitutes, and Hormone Antagonists |
| D011384 | Proinsulin |
| D061385 | Insulins |
| D010187 | Pancreatic Hormones |
| D036361 | Peptide Hormones |
| D010455 | Peptides |
| D000602 | Amino Acids, Peptides, and Proteins |
| D049528 | Insulin, Long-Acting |
| D061266 | Insulin, Short-Acting |