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| Name | Class |
|---|---|
| University of Haifa | OTHER |
| The Touro College and University System | OTHER |
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Bulimia Nervosa (BN), Binge Eating Disorder (BED) and Night Eating Syndrome (NES) are Binge Eating Disorders (BE-Dis) in which binge eating episodes are a main symptom. Cognitive Behavioral Therapy (CBT) is the leading evidence-based treatment for patients suffering from these disorders. CBT-E is an "enhanced" trans-diagnostic version of the treatment which appears to be more effective in a variety of Eating Disorders (EDs). The main goals of this treatment are reducing dietary restrictions and EDs symptoms as well as food intake regulation. Self-monitoring (SM) is an important and central tool in this type of treatment considered crucial for its success. Therefore, during treatment, patients are required to monitor their eating, the circumstances, and their thoughts and feelings proximate to the time of eating. Nevertheless, despite the importance of this tool, research has shown that there are many difficulties challenging the clients' adherence to SM, which might reduce this treatment's effectiveness and outcome. Additionally, in recent years there has been cumulative data supporting the use of mindfulness in the treatment of EDs. Mindfulness, as a western psychological approach, is defined as the "unique non-judgmental focus of one's attention at the present moment". Although SM requires the ability to observe, describe and identify occurrences, no studies have yet examined the direct effect of mindfulness skills on SM adherence, and therefore the improvement of treatment outcomes.
The main objective of the present study is to examine the effect of a mindfulness based intervention on SM adherence during a CBT intervention for BE-Dis, and on the treatment outcomes as seen in the ED psychopathology and compliance to the nutritional instructions and food intake composition. Other aims include examining the differences between the experimental group and the control group, regarding their level of mindfulness and SM adherence. In addition, mediating and moderating processes between mindfulness and SM adherence will be examined.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Experimental group (CBTE-MIND) | Experimental | Adding a mindfulness skills intervention to group psychotherapy according to the principles of the Enhanced Cognitive-Behavioral Therapy (CBT-E) for eating disorders (Fairburn, 2008) |
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| Control group (CBTE) | Active Comparator | Group psychotherapy according to the principles of the Enhanced Cognitive-Behavioral Therapy (CBT-E) for eating disorders (Fairburn, 2008), without a mindfulness skills intervention |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| MIND | Behavioral | Both experimental and control groups receive 20 weekly sessions (1.5 hours each), based on principles of CBT-E (Fairburn, 2008), adapted for a group format . The experimental group will receive in addition to CBT-E a mindfulness based intervention comprising of 4 weekly group sessions (1.5 hours each) during the month prior to the CBT-E program. The mindfulness skills intervention will also be practiced throughout the CBT-E program at the beginning of every group session and independently as homework. Mindfulness intervention includes "formal" mindfulness practice (brief mindfulness meditation - 10 minutes each) and "informal" mindfulness practice (Other "non meditation exercises", also known as "mindfulness in everyday life"- eg "STOP"). |
| Measure | Description | Time Frame |
|---|---|---|
| Changes in the Eating Disorder Examination Questionnaire (EDE-Q-I) | EDE-Q-I (Eating Disorder Examination Questionnaire; Fairburn & Beglin, 1994): A self-report measure of eating disorders psychopathology. | 8 Time points: Recruitment (entry to study), pre-CBT-E (5 weeks from recruitment), along CBT-E (10, 5, 20 weeks from recruitment), post-CBT-E (24 weeks from recruitment), follow-up (3 and 6 months post CBT-E = 9 and 12 months post recruitment) |
| Changes in the Clinical Impairment Assesment (CIA) questionnaire | Assessment of psychosocial impairment due to eating disorder will be conducted through CIA (Clinical Impairment Assesment) self-report questionnaire (Bohn & Fairburn, 2008). | 8 Time points: Recruitment (entry to study), pre-CBT-E (5 weeks from recruitment), along CBT-E (10, 5, 20 weeks from recruitment), post-CBT-E (24 weeks from recruitment), follow-up (3 and 6 months post CBT-E = 9 and 12 months post recruitment) |
| Changes in the Night Eating Questionnaire (NEQ) | Assessment of Night Eating Syndrome psychopathology will be conducted through NEQ (Night Eating Questionnaire) self-report questionnaire (Allison et al., 2008). | 8 Time points: Recruitment (entry to study), pre-CBT-E (5 weeks from recruitment), along CBT-E (10, 5, 20 weeks from recruitment), post-CBT-E (24 weeks from recruitment), follow-up (3 and 6 months post CBT-E = 9 and 12 months post recruitment) |
| Changes in the treatment Outcome Questionnaire-45 (OQ-45) | OQ-45 (Outcome Questionnaire-45) (Lambert et al., 1996) is a self-report scale used to estimate client degree of disturbance at the outset and over the course of treatment. It measures three subscales: symptom distress (depression and anxiety), interpersonal relationships and social role (difficulties in the workplace, school or home duties). | 8 Time points: Recruitment (entry to study), pre-CBT-E (5 weeks from recruitment), along CBT-E (10, 5, 20 weeks from recruitment), post-CBT-E (24 weeks from recruitment), follow-up (3 and 6 months post CBT-E = 9 and 12 months post recruitment) |
| Measure | Description | Time Frame |
|---|---|---|
| Self monitoring adherence (conducted through scoring the self monitoring content of the participants) | Self monitoring during the CBT-E program will be conducted electronically using the Qualtrics software via the participants' smartphones (for both groups). Adherence to self monitoring will be evaluated by analyzing and scoring the self monitoring content of each participant. In this procedure we are measuring every week along 19 weeks of CBTE program:
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| Measure | Description | Time Frame |
|---|---|---|
| Mediating and moderating processes between mindfulness and SM adherence: Depression and anxiety (will be examined through self-report questionnaires) | Depression and anxiety: DASS-21 (Depression Anxiety Stress Scales-21) (Lovibond & Lovibond, 1995) | 8 Time points: Recruitment (entry to study), pre-CBT-E (5 weeks from recruitment), along CBT-E (10, 5, 20 weeks from recruitment), post-CBT-E (24 weeks from recruitment), follow-up (3 and 6 months post CBT-E = 9 and 12 months post recruitment) |
Inclusion Criteria:
Exclusion Criteria (contraindications to starting CBT-E immediately):
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| Name | Affiliation | Role |
|---|---|---|
| Evelyn Steiner, MD | Shalvata Mental Health Center | Study Director |
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| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| Background | Fairburn, C. G. (2008). Cognitive behavior therapy and eating disorders. New York: Guilford Press |
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| ID | Term |
|---|---|
| D052018 | Bulimia Nervosa |
| D056912 | Binge-Eating Disorder |
| D000074043 | Night Eating Syndrome |
| ID | Term |
|---|---|
| D001068 | Feeding and Eating Disorders |
| D001523 | Mental Disorders |
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Following an evaluation and screening process, those who fit the criteria will be allocated randomly to one of the two research groups: experiment or control.
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| CBT-E | Behavioral | The comparison group (control) will receive 4 weekly supportive-educational group sessions (1.5 hours each) prior to the group CBT-E program, with no mindfulness content or training. |
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| Treatment outcomes as seen in the compliance to the nutritional instructions (conducted through analyzing the self monitoring documents ) | Treatment outcomes regarding the compliance to the nutritional instructions, will be examined by analyzing the participants' self monitoring reports. This analysis will be conducted by comparing the actual number of meals a day and the composition of food consumed (and reported) to dietary recommendations for the treatment of binge eating disorders (Fairburn & Wilson, 1993). Nutritional composition analysis of food consumed will be conducted by using the "Tzameret" software (of the Israeli Ministry of Health). This procedure will be conducted before (week 1), during (week 10) and at the end of the CBT program (week 19). | Analyzed at 3 time points along the CBT-E program: week 1, week 10, week 19 (end of CBTprogram) |
| Every week along 19 weeks of CBTE program |
| Mediating and moderating processes between mindfulness and SM adherence: Motivation (will be examined through self-report questionnaires) | Motivation: SCQ (Stages of Change Questionnaire) (McConnaughy, Prochaska, &Velicer, 1983) | 8 Time points: Recruitment (entry to study), pre-CBT-E (5 weeks from recruitment), along CBT-E (10, 5, 20 weeks from recruitment), post-CBT-E (24 weeks from recruitment), follow-up (3 and 6 months post CBT-E = 9 and 12 months post recruitment) |
| Mediating and moderating processes between mindfulness and SM adherence: Attention deficit disorder (will be examined through self-report questionnaires) | Attention deficit disorder: ASRS (ADHD Self Report Scale) ( Kessler et al, 2005) | 8 Time points: Recruitment (entry to study), pre-CBT-E (5 weeks from recruitment), along CBT-E (10, 5, 20 weeks from recruitment), post-CBT-E (24 weeks from recruitment), follow-up (3 and 6 months post CBT-E = 9 and 12 months post recruitment) |
| Mediating and moderating processes between mindfulness and SM adherence: Dissociation (will be examined through self-report questionnaires) | Dissociation: DES (Dissociative Experience Scale ) (Freyberger et al., 1998) | 8 Time points: Recruitment (entry to study), pre-CBT-E (5 weeks from recruitment), along CBT-E (10, 5, 20 weeks from recruitment), post-CBT-E (24 weeks from recruitment), follow-up (3 and 6 months post CBT-E = 9 and 12 months post recruitment) |
| Mediating and moderating processes between mindfulness and SM adherence: Obsessiveness (will be examined through self-report questionnaires) | Obsessiveness: WISPI (Wisconsin Personality Disorder Inventory-4) (Klein et al., 1993) | 8 Time points: Recruitment (entry to study), pre-CBT-E (5 weeks from recruitment), along CBT-E (10, 5, 20 weeks from recruitment), post-CBT-E (24 weeks from recruitment), follow-up (3 and 6 months post CBT-E = 9 and 12 months post recruitment) |
| Mediating and moderating processes between mindfulness and SM adherence: Impulsivity, perfectionism and interoceptive awareness (will be examined through self-report questionnaires) | Impulsivity, perfectionism and interoceptive awareness: EDI-2 (Eating Disorders Inventory-2) (Garner, 1991) | 8 Time points: Recruitment (entry to study), pre-CBT-E (5 weeks from recruitment), along CBT-E (10, 5, 20 weeks from recruitment), post-CBT-E (24 weeks from recruitment), follow-up (3 and 6 months post CBT-E = 9 and 12 months post recruitment) |
| Mediating and moderating processes between mindfulness and SM adherence: therapeutic alliance (will be examined through self-report questionnaires) | Therapeutic alliance: WAI (Working Alliance Inventory)(Tracey & Kokotovic, 1989) - a self-report questionnaire. | 8 Time points: Recruitment (entry to study), pre-CBT-E (5 weeks from recruitment), along CBT-E (10, 5, 20 weeks from recruitment), post-CBT-E (24 weeks from recruitment), follow-up (3 and 6 months post CBT-E = 9 and 12 months post recruitment) |
| Level of mindfulness | Assessment of changes in mindfulness levels throughout the treatment and the follow up period will be conducted via self-report questionnaire: FFMQ (Five Facet Mindfulness Questionnaire) (Baer, Smith, Hopkins, Krietemeyer & Toney, 2006) | 8 Time points: Recruitment (entry to study), pre-CBT-E (5 weeks from recruitment), along CBT-E (10, 5, 20 weeks from recruitment), post-CBT-E (24 weeks from recruitment), follow-up (3 and 6 months post CBT-E = 9 and 12 months post recruitment) |