- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00596622
FMRI Study of Brain Response Before and After Lithium Treatment in People With Bipolar Disorder
Dysfunctional Cortico-Limbic Activity and Connectivity in Bipolar Disorder Before and After Lithium Treatment: An fMRI Study
Study Overview
Detailed Description
Bipolar disorder (BD) is a chronic brain disorder that causes dramatic changes in a person's mood and energy. People with BD undergo periods of extreme happiness and extreme sadness, known as episodes of mania and depression. A person undergoing an episode of mania often experiences euphoric moods, increased energy, and aggressive behaviors, while a person in a depressed state often experiences low moods, lack of energy, and feelings of sadness. Researchers have recently discovered that abnormalities in certain brain areas that control emotion are often present in those with BD. It is believed that the severe mood shifts in BD may cause alterations in normal brain activity, specifically in corticolimbic activation and connectivity. Current mood stabilizing medications used to treat people with BD may help normalize these brain activity abnormalities. This study will assess the effects of BD on brain activity using functional magnetic resonance imaging (fMRI) and will determine if treatment with lithium changes the brain activity in people with BD.
This 9-week study will include participants who are healthy, have BD, or are siblings of subject with BD. All potential participants will undergo initial testing, which will include a physical examination, blood tests, and an electrocardiogram (EKG). Participants will also be asked to answer questions about their mental health, drug use, personality, family history, and psychological well-being. Eligible participants will then return on a different day to undergo an MRI scan, taking 4 hours to complete. During the scan, participants will be asked to perform tasks designed to show changes in blood flow in specific brain regions. These tasks will include listening to sounds and looking at various letters, words, and pictures. This will mark the completion of the study for healthy participants, first degree relatives, and those participants with BD who do not wish to receive medication treatment.
Following the first MRI scan, participants with BD who wish to undergo medication treatment will begin an 8-week course of lithium. Participants will be asked to come to the clinic at least once a week for medication monitoring visits. During these visits, participants will undergo blood draws and assessments on depression and mania. Participants will return for two repeat MRI scans after Weeks 2 and 8 of lithium treatment.
Study Type
Enrollment (Actual)
Phase
- Phase 4
Contacts and Locations
Study Locations
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Indiana
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Indianapolis, Indiana, United States, 46222
- Indiana University Psychiatric Clinic
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion criteria for BD participants:
- Meets DSM-IV criteria for bipolar I or II disorder
- Meets criteria to undergo an MRI scan based on MRI screening questionnaire
- Suited for outpatient care during the study as ascertained by a score of less than 5 on the Clinical Global Severity Scale, no significant suicidal or homicidal ideation, and no severe disability
Inclusion criteria for BD depressed participants:
- Meets criteria for DSM-IV depressive episode-current
- Score of greater than 15 but less than 30 on the 17-item HDRS
- Score of less than 12 on the Young Mania Rating Scale
Inclusion criteria for BD (hypo) manic participants:
- Meets criteria for DSM-IV manic episode-current
- Score of less than or equal to 18 on the 17-item HDRS
- Score of greater than 12 but less than 25 on the Young Mania Rating Scale
Inclusion criteria for BD euthymic patients:
- Satisfy criteria for DSM-IV for euthymic state-current for at least 2 weeks.
- 17-item Hamilton Depression Rating Scale < 12; Young Mania Rating Scale score < 10
Exclusion criteria for BD participants:
- Meets DSM-IV criteria for unipolar depression, schizophrenia, schizophreniform disorder, schizoaffective disorder, atypical psychosis, anxiety disorder as a primary diagnosis, mental retardation, or personality disorder
- Received electroconvulsive therapy in the 12 months prior to study entry
- Use of neuroleptics, mood stabilizers, or benzodiazepines in the 2 weeks prior to study entry
- Use of antidepressants in the 2 weeks prior to study entry
- Use of fluoxetine in the 5 weeks prior to study entry
- Use of lithium in the 6 months prior to study entry
- Acutely suicidal or homicidal or requiring inpatient treatment
- Meets DSM-IV criteria for substance/alcohol dependence, excluding caffeine or nicotine, in the 6 months prior to study entry or substance/alcohol abuse in the 3 months prior to study entry
- Use of alcohol in the 1 week prior to study entry and refusal to avoid alcohol use during the course of the study
- Presence of serious acute or chronic medical or neurological illness, including previously known HIV positive status (due to possible CNS involvement) as assessed by history, physical examination, and laboratory examination
- Pregnant or breastfeeding
- Metallic implants or other contraindication to MRI
Inclusion criteria for first degree relatives of bipolar disorder subjects:
- Ages 15-60 years (inclusive) and able to give voluntary informed consent.
- Have never satisfied criteria for DSM-IV BD.
- Satisfy criteria to undergo an MRI scan based on MRI screening questionnaire.
- 17-item Hamilton Depression Rating Scale < 10; Young Mania Rating Scale score < 10
Exclusion criteria for first degree relatives of bipolar disorder subjects:
- Under 15 years of age.
- Meeting DSM-IV criteria for current episode of unipolar depression
- Pregnant or breast feeding.
- Metallic implants or other contraindication to MRI.
- Currently taking any prescription or centrally acting medications.
- Serious acute or chronic medical or neurological illness as assessed by history, physical examination and laboratory examination including CBC and blood chemistry.
- Use of alcohol in the past 1 week and not being able to avoid alcohol use during the course of the study.
Inclusion criteria for healthy subjects:
- Ages 18-60 years (inclusive) and able to give voluntary informed consent.
- No current or past history of psychiatric illness or substance abuse or dependence.
- No current or past history of psychiatric illness or substance abuse or dependence in a first degree relative.
Exclusion criteria for healthy participants:
- Under 18 years of age
- Pregnant or breastfeeding
- Metallic implants or other contraindication to MRI
- Significant family history of psychiatric or neurological illness
- Currently taking any prescription or centrally acting medications
- Serious acute or chronic medical or neurological illness as assessed by history, physical examination, and laboratory examination
- Use of alcohol in the 1 week prior to study entry and refusal to avoid alcohol use during the course of the study
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Diagnostic
- Allocation: Non-Randomized
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Bipolar Manic Subjects Treated
Bipolar mania picture response during fMRI before and after treatment with lithium
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Dosing will start as one 300-mg capsule per day and will be titrated up to four 300-mg capsules per day for a total of 8 weeks of treatment.
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Experimental: Bipolar Depressed Subjects Treated
Bipolar depression picture response during fMRI before and after treatment with lithium
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Dosing will start as one 300-mg capsule per day and will be titrated up to four 300-mg capsules per day for a total of 8 weeks of treatment.
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Experimental: Bipolar Euthymic Subjects Treated
Bipolar euthymia picture response before and after treatment with lithium
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Dosing will start as one 300-mg capsule per day and will be titrated up to four 300-mg capsules per day for a total of 8 weeks of treatment.
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
17-item Hamilton Depression Rating Scale (HDRS)
Time Frame: Measured at Baseline and after 8 weeks of treatment
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17-item HDRS is gold standard for measurement of depression with a range from 0 - 52. 10 - 14: mild depression; 14-20 moderate depression; >20: severe and very severe depression.
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Measured at Baseline and after 8 weeks of treatment
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Young Mania Rating Scale
Time Frame: Baseline and 8 weeks
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Gold standard scale to measure mania, Range 0 - 60; 12 - 15 mild mania; 15 - 20 moderate mania; >20 severe mania
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Baseline and 8 weeks
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Collaborators and Investigators
Sponsor
Collaborators
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 (Estimate)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- R01MH075025 (U.S. NIH Grant/Contract)
- DATR A3-NSS (Indiana University)
- 0607-23 (Other Identifier: Indiana University IRB)
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
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