Status:
TERMINATED
PGC-1 & Muscle Mitochondrial Dysfunction in Diabetes
Lead Sponsor:
Mayo Clinic
Collaborating Sponsors:
Arizona State University
Conditions:
Diabetes
Obesity
Eligibility:
All Genders
30-59 years
Phase:
NA
Brief Summary
The goal of this study is to understand how and why insulin resistant individuals respond differently to exercise as compared with insulin sensitive individuals at the skeletal muscle and gene express...
Detailed Description
The goal of this study is to understand how and why insulin resistant individuals respond differently to exercise as compared with insulin sensitive individuals at the skeletal muscle and gene express...
Eligibility Criteria
Inclusion
- Aims1-3
- Age 30-59
- BMI: Lean, BMI less than or equal to 25; Obese, BMI between 30-40; type 2 diabetic, BMI between 30-40.
- Subjects must be able to communicate meaningfully with the investigator and must be legally competent to provide written informed consent.
- Subjects may be of either sex with age as described in each protocol. Female subjects must be non-lactating and will be eligible only if they have a negative pregnancy test throughout the study period.
- Subjects must range in age as described in each specific protocol.
- Subjects must have the following laboratory values:
- Hematocrit ≥ 35 vol%
- Serum creatinine ≤ 1.6 mg/dl
- AST (SGOT) \< 2 times upper limit of normal
- ALT (SGPT) \< 2 times upper limit of normal
- Alkaline phosphatase \< 2 times upper limit of normal
- Triglycerides \< 150 mg/dl (except for Aim 4).
- Aim 4
- Age 30-59
- BMI: Lean, BMI less than or equal to 25; Obese, BMI between 30-40.
- Patients may have normal or impaired glucose tolerance.
- Subjects must be able to communicate meaningfully with the investigator and must be legally competent to provide written informed consent.
- Subjects may be of either sex with age as described in each protocol. Female subjects must be non-lactating and will be eligible only if they have a negative pregnancy test throughout the study period.
- Subjects must have the following laboratory values:
- Hematocrit ≥ 35 vol%
- Serum creatinine ≤ 1.6 mg/dl
- AST (SGOT) \< 2 times upper limit of normal
- ALT (SGPT) \< 2 times upper limit of normal
- Alkaline phosphatase \< 2 times upper limit of normal
- Triglycerides \> 300 mg/dl for nondiabetics, \> 250 mg/dl for impaired glucose tolerance.
Exclusion
- Subjects must not be receiving any of the following medications: thiazide or furosemide diuretics, beta-blockers, or other chronic medications with known adverse effects on glucose tolerance levels unless the patient has been on a stable dose of such agents for the past three months before entry into the study. Subjects may be taking a stable dose of estrogens or other hormonal replacement therapy, if the subject has been on these agents for the prior three months. Subjects taking systemic glucocorticoids are excluded. Patients with type 2 diabetes will be excluded if they are taking metformin or thiazolidinediones, but may be taking sulfonylureas or other medications known to work through effects on insulin secretion.
- Subjects receiving Gemfibrozil must not also be receiving a statin.
- Subjects with a history of clinically significant heart disease (New York Heart Classification greater than grade II; more than non-specific ST-T wave changes on the EKG), peripheral vascular disease (history of claudication), or pulmonary disease (dyspnea on exertion of one flight or less; abnormal breath sounds on auscultation) will not be studied.
- Recent systemic or pulmonary embolus, untreated high-risk proliferative retinopathy, recent retinal hemorrhage, uncontrolled hypertension, systolic BP\>180, diastolic BP\>105, autonomic neuropathy, resting heart rate \>100, electrolyte abnormalities.
Key Trial Info
Start Date :
May 1 2014
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
April 1 2016
Estimated Enrollment :
26 Patients enrolled
Trial Details
Trial ID
NCT02282423
Start Date
May 1 2014
End Date
April 1 2016
Last Update
May 12 2016
Active Locations (1)
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1
Mayo Clinic
Scottsdale, Arizona, United States, 85259