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PI left institution
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24 children (12 African-American, Hispanic, or American Indian, 12 Caucasian) previously diagnosed with type 1 diabetes mellitus will participate in this pilot study to evaluate the presence of hepatic and peripheral insulin resistance. The investigators will use this pilot information to test the hypothesis that insulin resistance occurs in some children with type 1 DM, is secondary to underlying risk factors, and is responsible for increased insulin needs. Methods will include a "step-up" hyperinsulinemic euglycemic clamp and infusion of the stable isotope 6,6-[2H2]-glucose. Patient and parent interviews will be conducted to gather information about nutritional intake, ethnicity, family history, and socioeconomic status. The investigators will also measure inflammatory cytokines and free fatty acids to determine whether they are associated with differences in insulin resistance among type 1 diabetes mellitus patients.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Diagnostic | Hyperinsulinemic euglycemic clamp |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Clamp | Other | Insulin sensitivity, Hepatic glucose production, Evaluation of inflammation, Socioeconomic status, Ethnicity and family history |
|
| Measure | Description | Time Frame |
|---|---|---|
| Insulin sensitivity | Baseline |
| Measure | Description | Time Frame |
|---|---|---|
| Hepatic glucose output | Baseline |
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Inclusion Criteria:
Exclusion Criteria:
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Endocrinology clinic patients
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| Name | Affiliation | Role |
|---|---|---|
| Dana S Hardin, MD | The Research Institute at Nationwide Children's Hospital, The Ohio State University | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Nationwide Children's Hospital | Columbus | Ohio | 43205 | United States |
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| ID | Term |
|---|---|
| D003922 | Diabetes Mellitus, Type 1 |
| ID | Term |
|---|---|
| D003920 | Diabetes Mellitus |
| D044882 | Glucose Metabolism Disorders |
| D008659 | Metabolic Diseases |
| D009750 | Nutritional and Metabolic Diseases |
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| ID | Term |
|---|---|
| D003250 | Constriction |
| ID | Term |
|---|---|
| D008919 | Investigative Techniques |
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| D004700 | Endocrine System Diseases |
| D001327 | Autoimmune Diseases |
| D007154 | Immune System Diseases |