NCT01941277TerminatedNot Applicable
Effect of Exercise on Insulin Resistance
Alere San Diego4 sites in 1 country3 target enrollmentStarted: August 1, 2014Last updated:
Conditions
Trial Snapshot
- Phase
- Not Applicable
- Status
- Terminated
- Sponsor
- Enrollment
- 3
- Locations
- 4
- Primary Endpoint
- A decrease in Insulin Resistance (IR) as measured by a change in IR.
Study Overview
Brief Summary
The purpose of this study is to evaluate the effect of exercise on Insulin Resistance (IR) in subjects who do not routinely exercise and who are at risk of developing diabetes (prediabetes).
It is estimated that approximately 30-90 people will participate in this study at three study sites in the United States and United Kingdom.
Study Design
- Study Type
- Interventional
- Allocation
- Randomized
- Intervention Model
- Parallel
- Primary Purpose
- Prevention
- Masking
- None
Eligibility Criteria
- Ages
- 18 Years to 75 Years (Adult, Older Adult)
- Sex
- All
- Accepts Healthy Volunteers
- No
Inclusion Criteria
- •Aged 18 to 75 years.
- •Meets one of the three diagnostic criteria listed below (based on screening results or recorded result within one week of enrollment);
- •Fasting plasma or whole blood glucose (fasting defined as no caloric intake for at least 8 hours): 100 ≤ 125 mg/dL (6.0-6.9 mmol/L)
- •HbA1c of 5.7% - 6.4% (39 - 46 mmol/mol)
- •2-hour plasma glucose of 140-199 mg/dL (7.8-11.0 mmol/L) during an OGTT (as described by the WHO using a glucose load of 75 g anhydrous glucose dissolved in water)
- •No clinically significant adverse exercise response during the maximal graded exercise test
Exclusion Criteria
- •Weight loss diet program or weight change (>10%) within the past 6 months
- •Daily physical activity of >10,000 steps per day (as measured during the interval between visits 1 and 2)
- •Participates in deliberate structured exercise
- •Pregnant or intending to become pregnant
- •Cognitive or intellectual disability that prevents subject from providing informed consent or following protocol instructions.
- •Unwillingness to participate in all study procedures
- •Inability to give blood through multiple venous phlebotomies or to have an intravenous catheter
- •BMI greater than 40 kg/m2
- •Concurrent participation in another lifestyle modification trial
- •Diagnosis of diabetes based on any one of the following criteria:
- •Fasting plasma or whole blood glucose ≥ 126 mg/dL (7 mmol/L)
- •HbA1c of >6.5% (>47 mmol/mol)
- •2-hour plasma glucose ≥ 200 mg/dL (11.1 mmol/L) during an OGTT
- •Any pre-existing or newly discovered medical condition that is deemed likely to put the subject at risk of injury during this trial. This may include but is not limited to:
- •Clinically relevant vascular or cerebrovascular event (e.g. stroke, recurrent transient ischemic attack (TIA), deep venous thrombosis or intracardiac thrombi, clinically significant edema within the previous 6 months
- •Current use of anti-psychotic, anti-convulsant, anti-coagulant, sedative medication, or cognition-enhancing medications
- •Current use of beta blockers (beta-adrenergic blocking agents)
- •Current or previous use (within the past year) of the following medications: diabetes related medications or insulin; metformin; growth hormone; glucagon; dipeptidyl peptidase-4(DPP-4) inhibitors (saxagliptin, stigagliptin); glucagon-Like Peptide-1(GLP-1) mimetics (exenatide, liraglutide); sulfonylurea medication or other potential confounding medications
- •Medical conditon which predetermines insulin resistance (e.g. Marfan syndrome / severe Polycystic ovary syndrome (PCOS) / Cushing syndrome etc.).
- •Fasting triglycerides > 1000 mg/dL.
Outcomes
Primary Outcomes
A decrease in Insulin Resistance (IR) as measured by a change in IR.
Time Frame: change between baseline and 6 weeks
Secondary Outcomes
No secondary outcomes reported
Investigators
Study Sites (4)
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