- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02889211
Brain Function in Depression and Insulin Resistance
Study Overview
Status
Conditions
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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-
Pennsylvania
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Pittsburgh, Pennsylvania, United States, 15213
- Western Psychiatric Institute and Clinic at University of Pittsburgh
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
Body Mass Index 24-34.9
HEALTHY CONTROLS HOMA-IR (fasting (glucose x insulin)/405) < 1.8
Not more than one of the following:
- Waist circumference > 40 inches (men) or > 35 inches (women)
- Triglycerides > 150 mg/dL
- HDL < 40 mg/dL (men) or < 50 mg/dL (women)
- Blood pressure > 135/85
- Fasting glucose > 100 mg/dL
INSULIN RESISTANT HOMA-IR > 2.0
And at least three of the following:
- Waist circumference > 40 inches (men) or >35 inches (women)
- Triglycerides > 150 mg/dL
- HDL < 40 mg/dL (men) or <50 mg/dL (women)
- Blood pressure > 135/85
- Fasting glucose > 100 mg/dL
MAJOR DEPRESSION, METABOLICALLY HEALTHY Meets criteria for MDD during SCID-5 evaluation HOMA-IR < 1.8
Not more than one of the following:
- Waist circumference > 40 inches (men) or >35 inches (women)
- Triglycerides > 150 mg/dL
- HDL < 40 mg/dL (men) or <50 mg/dL (women)
- Blood pressure > 135/85
- Fasting glucose > 100 mg/dL
MAJOR DEPRESSION, INSULIN RESISTANT Meets criteria for MDD during SCID-5 evaluation HOMA-IR > 2.0
And at least three of the following:
- Waist circumference > 40 inches (men) or >35 inches (women)
- Triglycerides > 150 mg/dL
- HDL < 40 mg/dL (men) or <50 mg/dL (women)
- Blood pressure > 135/85
- Fasting glucose > 100 mg/dL
Exclusion Criteria:
- - History of mania or psychosis
- Current suicidal ideation
- Alcohol or substance abuse including cannabis use (current or in the last three months)
- Early onset dementia of any etiology
- Medical conditions with known significant effects on mood (e.g. Stroke or current hypothyroid state)
- Unstable medical illnesses (e.g. Delirium, uncontrolled DM, uncontrolled cardiovascular illness)
- Use of high doses of benzodiazepines (> 2mg lorazepam/day equivalent)
- Given the high comorbidity (80%) between MDD and anxiety disorders, participants with comorbid anxiety disorders will be included in the study as long as the clinical presentation suggests that depression precedes the onset of anxiety
- Current or lifetime history of cancer, a chronic kidney or liver condition, type I or II diabetes
- Current or lifetime use of glucocorticoid medications for >1 month
- Previous cerebrovascular accident or trauma involving loss of consciousness
- Previous neurosurgery or history of a neurological condition
- Pregnancy (females)
- Claustrophobia
- Ferrous metallic implants or any surgically placed medical device not cleared for safety at 3Tesla MRI strength
- Positive Hepatitis C serology or other known viral infections that may induce insulin resistance
- Peripheral vascular disease
- Liver, kidney, or active blood disease
- Peripheral neuropathy
- Fasting glucose > 126 mg/dL
- Currently taking any medications that can alter glucose homeostasis (steroids, glucocorticoids, nicotinic acid)
- Currently taking thiazolidinediones or insulin
- Females currently on hormone replacement therapy (HRT) less than 6 months
- Being left handed
- Use of antidepressant medication within the past two weeks (six weeks fluoxetine)
- Suicide risk
- Current use of stimulants, antipsychotic medications, mood stabilizers, cognitive enhancers, statins, glucocorticoids, steroids, nicotinic acid, thiazolidinediones, insulin, metformin, any diabetes medications (e.g. gliptins), HIV medications.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Active Comparator: Metabolically Healthy - Non-depressed
Overweight individuals without metabolic syndrome and free of psychiatric illness
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Experimental: Metabolically Healthy - Depressed
Overweight individuals without metabolic syndrome and with active major depression
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Experimental: Insulin Resistant - Depressed
Overweight individuals with metabolic syndrome and active major depression
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Experimental: Insulin Resistant - Non-depressed
Overweight individuals with metabolic syndrome and free of psychiatric illness
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
fMRI BOLD Response in Striatal Regions
Time Frame: During Gambling Task in fMRI Scanner
|
The investigators will monitor the blood oxygen level dependent response using fMRI and compare activation during "win" trials vs. "loss" trials
|
During Gambling Task in fMRI Scanner
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Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
Other Study ID Numbers
- 16060315
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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