- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT02797808
Effects of Sertraline on Brain Connectivity in Adolescents With OCD
Effects of Sertraline on Brain Connectivity in Adolescents With OCD (Obsessive-Compulsive Disorder)
Study Overview
Detailed Description
To examine FSTC using advanced multi-modal imaging techniques, including resting-state functional magnetic resonance imaging (R-fMRI) and high angular resolution diffusion imaging (HARDI), in 25 medication-free adolescents youths with OCD (ages 8-17) in comparison with 25 matched healthy controls.
Hypotheses: (A) Based on the pilot data, adolescents youths with OCD will show lower functional connectivity in FSTC at baseline when compared with controls, and , lower functional connectivity in FSTC will correlate with greater severity on CY-BOCS. (B) Adolescents Youths with OCD will also show abnormalities in structural connectivity in FSTC at baseline when compared with controls, and structural and functional connectivity will be related. (C) The investigators will explore relations between OCD dimensions and functional connectivity measures, and predict that the repeating/ordering dimension will correlate with orbitofrontal cortex (OFC) connections, hoarding will correlate with rostral anterior cingulate cortex (ACC) connections, and forbidden thoughts will correlate with caudal ACC connections.
To investigate how sertraline impacts functional connectivity in FSTC in adolescents with OCD.
Hypothesis: After 12 weeks of sertraline treatment, functional connectivity measures within FSTC for the OCD group will (on average) increase compared to baseline and will no longer be significantly different when compared with controls. Non-responders may show a different pattern (i.e. failure to show these changes).
Study Type
Enrollment (Actual)
Phase
- Phase 2
- Phase 1
Contacts and Locations
Study Locations
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Minnesota
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Minneapolis, Minnesota, United States, 55454
- University of Minnesota
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria (OCD):
- OCD as the primary Diagnostic and Statistical Manual of Mental Disorders, 4th Edition (DSM-IV) diagnosis based on the Anxiety Disorders Interview Schedule (ADIS) for DSM-IV, Child Version
- Children's Yale-Brown Obsessive Compulsive Scale (CY-BOCS) score of greater than 15
Exclusion Criteria (OCD):
- lifetime diagnosis of bipolar disorder, schizophrenia, or substance abuse/dependence on ADIS
- Intelligence Quotient (IQ) < 80 on Wechsler Abbreviated Scales of Intelligence (WASI)
- positive urine drug screen
- MRI-incompatible features (e.g., metal implants, claustrophobia)
- current or recent trial of psychotropic medication (within the past 4 8 weeks or past 6 12 weeks for fluoxetine)
- non-response in > 2 selective serotonin reuptake inhibitor (SSRI) trials of adequate dose/duration
- positive pregnancy test
- history of seizure disorder or serious head injury
Inclusion Criteria (Controls):
- Healthy 8-17 year olds
Exclusion criteria (controls):
- No psychiatric diagnoses
- No immediate family history of OCD
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
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Experimental: Children with OCD
Children with obsessive compulsive disorder, not currently on medication for OCD
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Impact of sertraline on functional brain connectivity
Other Names:
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Active Comparator: Healthy Control Children
Children without obsessive compulsive disorder
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Healthy control non-intervention
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
CY-BOCS Total Score at 12-weeks
Time Frame: 12 weeks
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The Children's Yale-Brown Obsessive Compulsive Scale (CY-BOCS) a clinician-rated semi-structured instrument assessing OCD severity over the previous 7 days in children ages 6 to 17 years.
Items are scored from 0 (none) to 4 (extreme) and total score ranges from 0 to 40 with higher scores indicating greater impairment.
All 19 items are rated, but only items 1-10 are used to determine the total score.
The total CY-BOCS score is the sum of items 1-10; the obsession and compulsion subtotals are the sums of items 1-5 and 6-10, respectively.
At this time, items 1A and 6A are not being used in the scoring.
Items 17 (global severity) and 18 (global improvement) are adapted from the Clinical Global Impression Scale to provide measures of overall functional impairment associated with the presence of obsessive-compulsive symptoms.
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12 weeks
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Longitudinal 2-Group Resting State Functional Conectivity (RSFC) Analyses
Time Frame: 12 weeks
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Participants had whole brain fMRI at baseline &12 weeks.
Whole brain connectivity in 6 striatal ROIs was performed.
Two-way mixed effects ANOVAs were performed with FEAT.
Clusters were significant if p <.0042 based on .05/(6
ROIs x 2 tests/ROI).
Mean z-score was found for each time point in each subject's connectivity map in each significant cluster.
Within-group paired-sample t tests examined RSFC change over time in these metrics for each group.
To investigate group X time interactions from the 2-way ANOVA, we compared mean z-scores within each significant cluster at baseline & 12 weeks.
Resulting numbers represented striatal connectivity for each individual at each time point.
Within group paired sample t-tests examined RSFC change over time for each group.
Bonferroni correction was applied to alpha level (2-tailed, p<0.5/6 =.0083) for multiple testing.
We do not have an a priori hypothesis as to whether increase or decrease in RSFC is a better outcome.
Unit of measure is z-score.
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12 weeks
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Collaborators and Investigators
Sponsor
Collaborators
Investigators
- Principal Investigator: Gail A Bernstein, MD, University of Minnesota
Publications and helpful links
General Publications
- Bernstein GA, Mueller BA, Schreiner MW, Campbell SM, Regan EK, Nelson PM, Houri AK, Lee SS, Zagoloff AD, Lim KO, Yacoub ES, Cullen KR. Abnormal striatal resting-state functional connectivity in adolescents with obsessive-compulsive disorder. Psychiatry Res Neuroimaging. 2016 Jan 30;247:49-56. doi: 10.1016/j.pscychresns.2015.11.002. Epub 2015 Nov 19.
- Bernstein GA, Cullen KR, Harris EC, Conelea CA, Zagoloff AD, Carstedt PA, Lee SS, Mueller BA. Sertraline Effects on Striatal Resting-State Functional Connectivity in Youth With Obsessive-Compulsive Disorder: A Pilot Study. J Am Acad Child Adolesc Psychiatry. 2019 May;58(5):486-495. doi: 10.1016/j.jaac.2018.07.897. Epub 2018 Oct 30.
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
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 1105M99532
- 5R21MH101395-02 (U.S. NIH Grant/Contract)
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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