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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT03175068
Other study ID # 2017-0258
Secondary ID 1R01MH112705-01A
Status Active, not recruiting
Phase N/A
First received
Last updated
Start date July 5, 2017
Est. completion date June 30, 2022

Study information

Verified date March 2022
Source University of Illinois at Chicago
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Many patients with Major Depressive Disorder (MDD) and generalized Social Anxiety Disorder (gSAD) are treated with cognitive behavioral therapy (CBT) but few have meaningful improvement. MDD and gSAD are diseases of brain dysfunction that manifest as impaired emotion regulation; CBT teaches emotion regulation strategies but how it works in the brain remains largely unknown. Individual differences in brain function related to emotion regulation may make some patients better suited for CBT and CBT may remedy the brain dysfunction that underlies these disorders. This project will compare CBT with a placebo psychotherapy (i.e., supportive therapy) in MDD and gSAD to test, validate, and refine brain-based markers and examine mechanisms of change to examine how CBT works and for whom.


Description:

Major Depressive Disorder (MDD) and generalized Social Anxiety Disorder (gSAD) are pervasive major public health problems. These disorders are characterized by emotion dysregulation, an inability or inefficiency to regulate negative and positive affect as reflected in common and disorder-specific symptoms (e.g., attentional bias to negative stimuli, excessive/inappropriate negative thoughts, hyperarousal, anhedonia, emotional blunting). Such dysregulation is believed to result from an imbalance between top-down 'emotion regulating' (ER) frontal nodes central in inhibitory control of bottom-up subcortical 'emotion-generating' (EG) nodes in a Fronto-Limbic Affect Regulation and Emotional Salience (FLARES) network. Therefore, successful treatment would be expected to 'normalize' neurofunctional disturbances in the FLARES network, which can be measured with fMRI and more distal units of brain function -- event-related potentials (ERPs) from electroencephalography, startle potentiation from electromyography (EMG), neurocognitive performance, and use of regulation strategies in daily life via self-report. The overarching objective of the proposed study is to understand how, when, and where CBT works and for whom to tailor treatment to improve clinical outcome. Without precisely identified "targets" and "predictors" of change, CBT response will continue to be unpredictably varied with few achieving meaningful clinical improvement placing them at risk for relapse and recurrence. Our proposal builds on published data from our lab and others and Preliminary Data which shows FLARES function, as assayed with fMRI, ERPs, EMG, and behaviors, is sensitive to change following CBT. Importantly, both baseline fMRI and non-fMRI units of brain-behavioral measures predict CBT response better than baseline clinical measures. Such knowledge can lead to more precise interventions aimed at capitalizing on 'strengths' or improving 'deficits' that may each exist before CBT and/or explain why CBT does not work for some patients. The dual development of fMRI ('mechanistic') and non-fMRI ('pragmatic') predictors and indices of therapeutic change is aimed at advancing precision medicine while increasing the clinical utility of 'biomarkers' in the outpatient setting. With this objective, we propose to employ well-validated paradigms to test ER and EG in the context of negative stimuli, reward processes, and fear systems in MDD and gSAD to delineate common and disorder-specific mechanisms of change and predictors of CBT outcome. We will enroll 200 patients: 100 MDD (without comorbid gSAD), 100 gSAD (without comorbid MDD) and randomize them to 12 weeks of manualized CBT or 12 weeks of 'placebo' psychotherapy (supportive therapy) (1:1 ratio). Multiple units of FLARES function will be collected in all patients before (Week 0), during (midway/Week 6) and after treatment (Week 12) to ascertain CBT 'dose' effects, and in 40 healthy controls for comparison. Pre-CBT predictors based on binary (responder/non-responder status) and continuous (extent of change) outcomes will be examined midway (Week 6), immediately after treatment (Week 12), and at 6-month follow-up.


Recruitment information / eligibility

Status Active, not recruiting
Enrollment 203
Est. completion date June 30, 2022
Est. primary completion date June 30, 2022
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 65 Years
Eligibility Inclusion Criteria: 1. generally medically and neurologically healthy, including no evidence of mental retardation or serious cognitive impairment that would interfere with protocol adherence and/or task performance 2. between the ages of 18 - 65 years old, inclusive 3. right-handed 4. primary diagnosis of MDD or gSAD based on the SCID DSM-5. Patients will be permitted to have limited comorbid and/or history of internalizing psychopathologies (e.g., generalized anxiety disorder, specific phobia, adjustment disorder) Exclusion Criteria: 1. personal current or past manic/hypomanic episode or psychotic symptoms 2. active suicidal ideation as determined by the Columbia Suicide Severity Rating Scale (C-SSRS) 3. prior history of standard CBT (failure or success) 4. any current or recent (past 4 weeks) use of medication (prescription or non-prescription) with psychotropic effects 5. psychotherapy other than CBT or psychotropic medication use during the study 6. cognitive dysfunction (traumatic brain injury, mental retardation, dementia) 7. active moderate or severe alcohol and/or substance use disorders For healthy controls: history or current Axis I disorder. Additional exclusion criteria for all participants pertaining to the fMRI scan include: 1. presence of ferrous-containing metals within the body (e.g., aneurysm clips, shrapnel/retained particles) 2. inability to tolerate small, enclosed spaces without anxiety (e.g., claustrophobia)

Study Design


Intervention

Behavioral:
CBT
CBT works by changing people's attitudes and their behavior by focusing on the thoughts, images, beliefs and attitudes that are held (a person's cognitive processes) and how these processes relate to the way a person behaves, as a way of dealing with emotional problems.
ST
Treatment designed to improve, reinforce, or sustain a patient's physiological well-being or psychological self-esteem and self-reliance

Locations

Country Name City State
United States University of Illinois at Chicago Chicago Illinois

Sponsors (2)

Lead Sponsor Collaborator
University of Illinois at Chicago National Institute of Mental Health (NIMH)

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary BOLD Effects Measured with Functional Magnetic Resonance Imaging (fMRI) Patients were randomized to either 12 weeks of cognitive behavioral therapy or supportive therapy. Healthy control (HC) participants did not receive treatment but completed the same assessments at the same time points as patients. Mean BOLD effects in emotion processing and cognitive control tasks at baseline, at mid-point of treatment (for patients)/time interval (for HC), and at end of treatment (for patients)/time interval (for HC). Target areas are analyzed from fMRI scans. The scans were completed on Weeks 0, 6, and 12. Average BOLD effects were calculated for each group. Weeks 0, 6, and 12
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