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| Name | Class |
|---|---|
| National Institute of Mental Health (NIMH) | NIH |
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The current study will use a full factorial design to identify the independent and combined effects of four core MABT components when combined with standard behavioral treatment for BN and BED. The primary aim of the study will be to evaluate the independent efficacy of Mindful Awareness, Distress Tolerance, Emotion Modulation, and Values-Based Decision Making on eating pathology (at posttreatment and at 6 and 12-month follow-ups). Secondary aims will be (1) to test target engagement of each MABT component, i.e., to confirm that each treatment component impacts both the variable which it targets and self-regulation and that improvements in these are associated with improvements in outcomes and (2) to test the hypotheses that the efficacy of each component is moderated by related baseline deficits in self-regulation (e.g. individuals with worse distress tolerance at baseline are most likely to benefit from conditions that include the Distress Tolerance component). A final exploratory aim will be to quantify the component interaction effects, which may be partially additive (because components overlap and/or there is diminishing return), fully additive, or synergistic (in that components may partially depend on each other).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Base BT | Active Comparator | 16 weekly sessions of behavioral therapy. |
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| Base BT + Distress Tolerance | Experimental | 16 weekly sessions of behavioral therapy with distress tolerance components of MABTs. |
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| Base BT + Emotion Regulation | Experimental | 16 weekly sessions of behavioral therapy with emotion regulation components of MABTs. |
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| Base BT + Mindful Awareness | Experimental | 16 weekly sessions of behavioral therapy with mindful awareness components of MABTs. |
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| Base BT + Values | Experimental | 16 weekly sessions of behavioral therapy with values components of MABTs. |
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| Base BT + Distress Tolerance and Emotion Modulation |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Behavioral Therapy for Eating Disorders | Behavioral | Change behaviors that maintain binge eating (e.g. rigid dietary restriction outside of binge episodes, irregular or chaotic eating patterns). |
| Measure | Description | Time Frame |
|---|---|---|
| Binge eating frequency assessed by the Eating Disorder Examination | Frequency (number of days and number of instances) of binge eating over the past 28 days assessed by the Eating Disorder Examination | Changes from each assessment time point throughout treatment (3 assessments over 16 weeks) and 6-month and 1 year post-treatment follow-up assessment |
| Eating Disorder Examination | The Eating Disorder Examination is a semi-structured interview that measures eating pathology. The EDE yields four subscale scores: Restraint, Eating Concern, Shape Concern, and Weight Concern. The possible score range for each subscale is 0 to 6. The total score may also be reported (determined by averaging the subscale scores); the score range for the total score is also 0 to 6. For subscale scores and total score, higher scores indicate more severe pathology. The restraint sub-scale of the EDE will be used to assess utilization of skills related to reducing dietary restraint. | Changes from each assessment time point throughout treatment (3 assessments over 16 weeks) and 6 month and 1 year post-treatment follow-up assessment |
| Remission Status | Presence or absence of eating disorder diagnosis. Not in remission; in partial remission; or in full remission. | Changes from each assessment time point throughout treatment (3 assessments over 16 weeks) and 6 month and 1 year post-treatment follow-up assessment |
| Measure | Description | Time Frame |
|---|---|---|
| Compensatory behavior frequency assessed by the Eating Disorder Examination (EDE) | Frequency (number of days and number of instances) of compensatory behaviors assessed by the Eating Disorder Examination | Changes from each assessment time point throughout treatment (3 assessments over 16 weeks) and 6 month and 1 year post-treatment follow-up assessment |
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Inclusion Criteria:
Exclusion Criteria:
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Drexel University, Stratton Hall | Philadelphia | Pennsylvania | 19104 | United States |
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MOST: multiphase optimization strategy
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16 weekly sessions of behavioral therapy with emotion regulation and distress tolerance components of MABTs. |
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| Base BT + Distress Tolerance and Mindful Awareness | Experimental | 16 weekly sessions of behavioral therapy with distress tolerance and mindful awareness components of MABTs. |
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| Base BT + Distress Tolerance and Values | Experimental | 16 weekly sessions of behavioral therapy with distress tolerance and values components of MABTs. |
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| Base BT + Emotion Modulation and Mindful Awareness | Experimental | 16 weekly sessions of behavioral therapy with emotion regulation and mindful awareness components of MABTs. |
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| Base BT + Mindful Awareness and Values | Experimental | 16 weekly sessions of behavioral therapy with values and mindful awareness components of MABTs. |
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| Base BT + Emotion Modulation and Values | Experimental | 16 weekly sessions of behavioral therapy with emotion regulation and values components of MABTs. |
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| Base BT + EM, DT, MA | Experimental | 16 weekly sessions of behavioral therapy with emotion regulation, mindful awareness, and distress tolerance components of MABTs. |
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| Base BT + DT, ER, and V | Experimental | 16 weekly sessions of behavioral therapy with emotion regulation, distress tolerance, and values components of MABTs. |
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| Base BT + DT, MA, and V | Experimental | 16 weekly sessions of behavioral therapy with distress tolerance, mindful awareness, and values components of MABTs. |
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| Base BT + ER, MA, and V | Experimental | 16 weekly sessions of behavioral therapy with emotion regulation, mindful awareness, and values components of MABTs. |
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| Base BT + ER, MA, V, DT | Experimental | 16 weekly sessions of behavioral therapy with emotion regulation, mindful awareness, distress tolerance, and values components of MABTs. |
|
| MABT: Mindful Awareness | Behavioral | Integrates behavioral treatment for eating disorders with a set of psychological strategies, specifically mindful awareness, designed to enhance self-regulation. Mindful awareness strategies include developing inner and outer wisdom, formal meditation, and shifting awareness to the present moment. Mindful awareness skills also include increasing awareness of thoughts, feelings, physical sensations, and hunger and fullness cues. |
|
| MABT: Values | Behavioral | Integrates behavioral treatment for eating disorders with a set of psychological strategies, specifically values, designed to enhance self-regulation. Values skills include identifying and clarifying values, living a values life, making values-consistent decisions, addressing competing values, values awareness, and using values to address negative moods. |
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| MABT: Emotion Modulation | Behavioral | Integrates behavioral treatment for eating disorders with a set of psychological strategies, specifically emotion modulation, designed to enhance self-regulation. Emotion modulation skills include long-term habits for emotion regulation, coping strategies, crisis management, and cognitive reappraisal. |
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| MABT: Distress Tolerance | Behavioral | Integrates behavioral treatment for eating disorders with a set of psychological strategies, specifically distress tolerance, designed to enhance self-regulation. Distress tolerance skills include psychological acceptance, uncoupling, willingness, and dealing with dirty distress. |
|
| BMI | kilogram/(meters^2), this is an outcome measure for participants with anorexia nervosa, binge/purge type | Changes from each assessment time point throughout treatment (3 assessments over 16 weeks) and 6 month and 1 year post-treatment follow-up assessment |
| ID | Term |
|---|---|
| D052018 | Bulimia Nervosa |
| D002032 | Bulimia |
| D056912 | Binge-Eating Disorder |
| D001068 | Feeding and Eating Disorders |
| ID | Term |
|---|---|
| D001523 | Mental Disorders |
| D006963 | Hyperphagia |
| D012817 | Signs and Symptoms, Digestive |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
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| ID | Term |
|---|---|
| D001521 | Behavior Therapy |
| ID | Term |
|---|---|
| D011613 | Psychotherapy |
| D004191 | Behavioral Disciplines and Activities |
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