- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03094000
Mindfulness Training Effect on Self-monitoring Adherence and Group CBT Outcomes for Binge Eating Disorders
A Randomized Controlled Trial Examining Mindfulness Training Effect on Self-monitoring Adherence and Group Cognitive-behavioral Treatment Outcomes Among Women Suffering From Eating Disorders
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.
Study Overview
Status
Intervention / Treatment
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Women between the ages of 18-60 who meet the criteria for BN, BED or NES according to the DSM-V.
- The participants will be recruited via convenience sampling among patients applying for treatment in the ED unit in "Hanotrim" outpatient clinic ("Shalvata" mental health center) and through internet advertising.
- Participation in the research program will be allowed only after evaluation and a diagnostic procedure to examine if the criteria for CBT are met in terms of diagnosis and motivational status. This procedure will be conducted through psychological and nutritional intake.
Exclusion Criteria (contraindications to starting CBT-E immediately):
- Current suicidal ideation
- Current substance/alcohol dependence or abuse
- Current psychosis
- Pregnancy (which began prior inclusion)
- Inability to attend treatment on a regular basis
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: Single
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Experimental group (CBTE-MIND)
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)
|
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").
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.
|
Active Comparator: Control group (CBTE)
Group psychotherapy according to the principles of the Enhanced Cognitive-Behavioral Therapy (CBT-E) for eating disorders (Fairburn, 2008), without a mindfulness skills intervention
|
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.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Changes in the Eating Disorder Examination Questionnaire (EDE-Q-I)
Time Frame: 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)
|
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
Time Frame: 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)
|
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)
Time Frame: 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)
|
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)
Time Frame: 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)
|
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)
|
Treatment outcomes as seen in the compliance to the nutritional instructions (conducted through analyzing the self monitoring documents )
Time Frame: Analyzed at 3 time points along the CBT-E program: week 1, week 10, week 19 (end of CBTprogram)
|
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)
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Self monitoring adherence (conducted through scoring the self monitoring content of the participants)
Time Frame: Every week along 19 weeks of CBTE program
|
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:
|
Every week along 19 weeks of CBTE program
|
Other Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Mediating and moderating processes between mindfulness and SM adherence: Depression and anxiety (will be examined through self-report questionnaires)
Time Frame: 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)
|
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)
|
Mediating and moderating processes between mindfulness and SM adherence: Motivation (will be examined through self-report questionnaires)
Time Frame: 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)
|
Motivation: SCQ (Stages of Change Questionnaire) (McConnaughy, Prochaska, &Velicer, 1983)
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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)
Time Frame: 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)
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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)
Time Frame: 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)
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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)
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Mediating and moderating processes between mindfulness and SM adherence: Obsessiveness (will be examined through self-report questionnaires)
Time Frame: 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)
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Obsessiveness: WISPI (Wisconsin Personality Disorder Inventory-4) (Klein et al., 1993)
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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)
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Mediating and moderating processes between mindfulness and SM adherence: Impulsivity, perfectionism and interoceptive awareness (will be examined through self-report questionnaires)
Time Frame: 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)
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Impulsivity, perfectionism and interoceptive awareness: EDI-2 (Eating Disorders Inventory-2) (Garner, 1991)
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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)
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Mediating and moderating processes between mindfulness and SM adherence: therapeutic alliance (will be examined through self-report questionnaires)
Time Frame: 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)
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Therapeutic alliance: WAI (Working Alliance Inventory)(Tracey & Kokotovic, 1989) - a self-report questionnaire.
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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)
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Level of mindfulness
Time Frame: 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)
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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)
|
Collaborators and Investigators
Sponsor
Investigators
- Study Director: Evelyn Steiner, MD, Shalvata Mental Health Center
Publications and helpful links
General Publications
- Fairburn, C. G. (2008). Cognitive behavior therapy and eating disorders. New York: Guilford Press
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
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
- SHA-0019-13
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
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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