Type 1 Diabetes Clinical Trial
— T-St1MOfficial title:
Type 1 Diabetes, Endothelin, and Skeletal Muscle Mitochondrial Dysfunction: The Role of Sirtuin-1
The proposed study is designed to test the hypothesis that treatment of resveratrol for 12 weeks will improve both endothelin-B receptor (aim 1) and skeletal muscle mitochondrial function (aim 2) in people with type 1 diabetes.
Status | Recruiting |
Enrollment | 24 |
Est. completion date | July 1, 2025 |
Est. primary completion date | January 1, 2025 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - Men and premenopausal women - All races - Clinical diagnosis of insulin-dependent type 1 diabetes (patients only) Exclusion Criteria: - Clinical diagnosis of hepatic, cardiovascular, or renal disease - Uncontrolled diabetes (HbA1C >12%) - Diabetic complications (i.e. neuropathy) - Uncontrolled hypertension (>140/90 mm Hg on therapy) - Pregnancy - Use of vasoactive medications |
Country | Name | City | State |
---|---|---|---|
United States | Augusta University/Georgia Prevention Institute/ Laboratory of Integrative and Exercise Physiology | Augusta | Georgia |
Lead Sponsor | Collaborator |
---|---|
Augusta University |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Change in AUC for ET-1 + BQ-123 | Change in Area Under the Curve (AUC) for Cutaneous Vascular Conductance (CVC) in response to co-perfusion of ET-1 + BQ-123 at 12 weeks. Measured using intradermal microdialysis technique in conjunction with Laser Speckle Contrast Imaging (Moor FLPI-2) and beat-by-beat blood pressure monitoring (Finapres NOVA). | Measure taken at Baseline and post 12 weeks | |
Primary | Skeletal Muscle Mitochondrial Function | Change in Skeletal Muscle Mitochondrial Function at 12 weeks. Measured using Near Infrared Spectroscopy (NIRS). Values are an index of phosphocreatine recovery expressed as a rate constant (min-1) | Measure taken at Baseline and post 12 weeks | |
Secondary | Change in Percentage Flow-Mediated Dilation (FMD) | Change in Percentage FMD at 12 weeks. Measured via ultrasound in conjunction with edge detection software. Expressed as % | Measure taken at Baseline and post 12 weeks | |
Secondary | Change in Pulse Wave Velocity (PWV) | Change in PWV at 12 weeks. Measured by Shygmocor Xcel in m/s. | Measure taken at Baseline and post 12 weeks | |
Secondary | Change in Post Occlusive Reactive Hyperemia (PORH) | Change in PORH at 12 weeks. Measured by Laser Speckle Contrast Imager (Moor FLPI-2) in perfusion units (PU). Represents the maximal dilatory response in the microcirculation post 5 minute occlusion. | Baseline and post 12 weeks |
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