Harnessing Macrophage Lysosomal Lipid Metabolism in Obesity (ATM)
- Conditions
- ObesityNon-Alcoholic Fatty Liver DiseaseDiabetes Mellitus, Type 2Healthy
- Registration Number
- NCT06571474
- Lead Sponsor
- Bettina Mittendorfer
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- All
- Target Recruitment
- 60
Inclusion Criteria :<br><br> - age: =18 but =70 years<br><br> - not pregnant or breastfeeding<br><br> - weight stable and sedentary before enrollment<br><br> - no use tobacco products, excessive amounts of alcohol, or dietary supplements, or<br> medications known to or suspected to affect glucose and lipid metabolism (aside from<br> certain medications used to treat diabetes in the metabolically abnormal obesity<br> [MAO]-Type 2 Diabetes group)<br><br> - no evidence of significant organ system dysfunction or disease (e.g. chronic severe<br> kidney disease, cancer)<br><br> - participants must fulfil all of the following group-specific inclusion criteria<br> below:<br><br>Lean group:<br><br> - Body mass index (BMI) =18.5 but <25.0 kg/m2<br><br> - Intrahepatic triglyceride (IHTG) content <5%<br><br> - fasting blood glucose concentration: <100 mg/dl<br><br> - blood glucose concentration 2 h after a 75 g oral glucose challenge: <140 mg/dl<br><br> - Hemoglobin A1C (HbA1c) <5.7 %<br><br>Metabolically normal obesity (MNO) group:<br><br> - BMI =30.0 but <45.0 kg/m2<br><br> - IHTG content <5%<br><br> - fasting blood glucose concentration: <100 mg/dl<br><br> - blood glucose concentration 2 h after a 75 g oral glucose challenge: <140 mg/dl<br><br> - HbA1c <5.7 %<br><br>Metabolically abnormal obesity (MAO)-insulin resistance and non-alcoholic fatty liver<br>disease (NAFLD) group:<br><br> - BMI =30.0 but <45.0 kg/m2<br><br> - IHTG content >7.5%<br><br> - fasting blood glucose concentration: =100 but <126 mg/dl<br><br> - blood glucose concentration 2 h after a 75 g oral glucose challenge: =140 but <200<br> mg/dl<br><br> - HbA1c: =5.7 but <6.4 %<br><br>MAO-type 2 diabetes group:<br><br> - BMI =30.0 but <45.0 kg/m2<br><br> - clinical diagnosis of type 2 diabetes or fasting blood glucose concentration >126<br> mg/dl or blood glucose concentration 2 h after a 75 g oral glucose challenge>200<br> mg/dl or HbA1c >6.4 % without medication if not diagnosed and medically treated for<br> diabetes<br><br>Exclusion Criteria:<br><br> - Individuals that do not meet all inclusion Criterion
Not provided
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Insulin sensitivity;24-hour plasma glucose concentration;Macrophage isolation in adipose tissue biopsy;Macrophage isolation in skeletal muscle tissue
- Secondary Outcome Measures
Name Time Method