Exposure to Type II Diabetes for Two Siblings With the Same Parents

Stopped early

Conditions studied: Type 2 Diabetes Mellitus

In brief

Individuals with a family history of type 2 diabetes mellitus (T2DM) are known to be at greater risk for the disease, and studies have shown that how the body responds to insulin, how the muscle creates energy, and the amount of fat stored inside skeletal muscle are often different in these individuals at a young age compared to people without a family history of the disease. The tendency to develop T2DM is influenced strongly by genetics; however, exposure to the surrounding environment may also play a role. The exposure to a diabetic environment while in the womb represents an altered nutritional exposure (high levels of circulating sugar, or glucose) that may affect how tissues important in regulating energy metabolism, such as the pancreas, liver, and skeletal muscle, develop. the purpose of this study is to measure sensitivity to insulin, energy expenditure, fat content of the abdomen and skeletal muscle function in young adult sibling pairs who were raised together but who are discordant for intrauterine exposure to diabetes (i.e., the mother did ot have diabetes during pregnancy with the older sibling, but did have diabetes during pregnancy with the younger sibling).

Key facts

Study ID

NCT01275235

Run by

Pennington Biomedical Research Center

People needed

10

Starts

2012-12-01

Expected to finish

2013-03-01

Last updated by the study team

2016-04-05

Who can join

Age: 20 and older, up to 34. Sex: any. Healthy volunteers: accepted.

You may qualify if…

• You are one of a sibling pair with the same mother and father, and your mother had diabetes (gestational or type 2) while she was pregnant with the younger sibling but not the older sibling.
• Your sibling is willing to participate in the study.
• You are between the ages of 20 and 34 years (inclusive)
• Your body mass index is between 20 and 29 Kg/m2 inclusive (this is a number calculated for your height and weight and indicates that you are either normal weight or overweight, but not obese).
• You are healthy as assessed by medical history and standard physical examination
• You are weight stable (your body weight has not changed .6.5 lbs over the last 3 months).
• You do not smoke
• You provide written informed consent to participate in the study.
• You are willing to stay overnight one time at the Pennington Center.
• You have low physical activity (< 100 min of exercise per week).

You may not qualify if…

• You were born prematurely (<37 weeks of pregnancy)
• You are currently taking medication that may influence your body weight or metabolism.
• You have heart disease, lung disease, liver disease, blood disease, kidney disease, type 1 or 2 diabetes, or any other disease that in the opinion of the doctor might make you ineligible.

Where it is running

• Pennington Biomedical Research Center — Baton Rouge, Louisiana, United States

Full record on ClinicalTrials.gov

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