Effectiveness of Cognitive Behavioral Therapy for Treating Depression in People With Bipolar I Disorder

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

NA

Total Enrollment

54 participants

Study Classification

INTERVENTIONAL

Study Start Date

2006-09-30

Study Completion Date

2013-01-31

Brief Summary

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This study will compare the effectiveness of cognitive behavioral therapy versus supportive psychotherapy in decreasing depression in people with bipolar disorder.

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Detailed Description

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Bipolar I disorder (BP-I) is a chronic debilitating disorder with recurrent depressive and/or manic mood episodes. Although episodes of mania are often considered the most distinguishing feature of bipolar disorder, recurrent episodes of depression make up the most functionally debilitating aspect for many individuals with BP-I. Symptoms of depressive episodes include depressed mood, lack of interest, decreased energy, low self-esteem, trouble sleeping, and change in appetite. Mood stabilizers are usually the first line of treatment for patients with bipolar disorder who are in a depressive episode, but previous research has shown that these treatments fail to bring most patients to sustained remission. As an adjunct to medication, a psychosocial treatment known as cognitive behavioral therapy (CBT) may be a promising treatment for improving depressive symptoms and for long-term stabilization in individuals with BP-I. This study will compare the effectiveness of CBT versus supportive psychotherapy in decreasing depression in people with BP-I. Using magnetic resonance imaging (MRI), this study will also assess the impact of episodic memory impairment in people with BP-I on the success of CBT treatment.

Participation in this single-blind study will last about 9 months and will include 22 study visits. There will be four pretreatment visits, during which participants will undergo a variety of tests and procedures, including interviews and questionnaires about depression and anxiety; tests on memory, attention, reaction time, and reading; and an MRI scan. Following completion of the initial assessments, participants will be randomly assigned to receive CBT or supportive psychotherapy. Participants in both groups will attend eighteen 1-hour treatment sessions over 5 months. Participants attending CBT sessions will learn specific thought processing and behavioral exercises to help reduce depressive symptoms. Participants attending psychosocial therapy sessions will learn about signs and symptoms related to depression and will be provided support in coping with their depression.

All participants will be asked to complete Mood and Memory Questionnaires before and after the first seven treatment sessions. Psychological evaluations will occur after Visits 8 and 18 of treatment and will involve the completion of questionnaires. Participants in both groups will attend a follow-up visit to evaluate tic symptoms, anxiety, and mood 4 months after the final treatment session.

Conditions

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Bipolar Disorder Depression

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

SINGLE

Outcome Assessors

Study Groups

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1

Participants receiving supportive psychotherapy

Group Type ACTIVE_COMPARATOR

Supportive Psychotherapy

Intervention Type OTHER

Participants will attend 18 supportive therapy sessions over 5 months. Supportive psychotherapy focuses on reflecting and expressing feelings about current life issues. Participants are supported and comforted when coping with difficult situations, depression, mood swings, or anger.

2

Participants receiving cognitive behavioral therapy

Group Type EXPERIMENTAL

Cognitive Behavioral Therapy (CBT)

Intervention Type OTHER

Participants will attend 18 CBT sessions over 5 months. CBT for depression targets depressive symptoms through a range of different treatments. This includes psychoeducation about the disorder and educating patients about the role of thoughts and behaviors in the maintenance of depressed mood. CBT also includes mood and activity monitoring, activity scheduling, and teaching participants to critically investigate and challenge negative thoughts and core beliefs that help to maintain depression.

Interventions

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Supportive Psychotherapy

Participants will attend 18 supportive therapy sessions over 5 months. Supportive psychotherapy focuses on reflecting and expressing feelings about current life issues. Participants are supported and comforted when coping with difficult situations, depression, mood swings, or anger.

Intervention Type OTHER

Cognitive Behavioral Therapy (CBT)

Participants will attend 18 CBT sessions over 5 months. CBT for depression targets depressive symptoms through a range of different treatments. This includes psychoeducation about the disorder and educating patients about the role of thoughts and behaviors in the maintenance of depressed mood. CBT also includes mood and activity monitoring, activity scheduling, and teaching participants to critically investigate and challenge negative thoughts and core beliefs that help to maintain depression.

Intervention Type OTHER

Eligibility Criteria

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Inclusion Criteria

* Normal or corrected-to-normal vision (tested by vision charts)
* Diagnosis of bipolar I disorder by the Mini International Neuropsychiatric Interview (MINI)
* HAM-D score of 17 or higher

Exclusion Criteria

* Meets criteria for DSM-IV bipolar I disorder subtype rapid cycling
* Meets criteria for DSM-IV mixed episode
* Pregnant
* Serious medical illness
* Neurologic disorder and/or head trauma
* Current or past history of selected DSM-IV Axis I disorders other than bipolar disorder, including organic mental disorder, schizophrenia, delusional disorder, and psychotic disorders not otherwise specified
* Substance abuse or dependence within the 12 months prior to study entry and/or history of substance abuse for more than 12 months
* IQ of less than 80 on the Wechsler Adult Reading Test
* Previous treatment with CBT for depression
* Contraindications to MRI (e.g., metallic implants, claustrophobia)

Minimum Eligible Age

18 Years

Maximum Eligible Age

64 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No