A Phase 2 interventional study of Mindfulness Based Weight Loss Maintenance (MBWLM) and Behavioral: Standard Behavioral Weight-Loss Maintenence in Obesity, sponsored by Duke University. Completed at 2 sites in United States. Open to participants aged 18 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2013-03-14.
Sponsored by Duke University · Phase 2, Interventional, and Treatment
The purpose of this study is to determine whether a 12 week Mindfulness-Based Weight Loss Maintenance (MBWLM) intervention is effective in maintaining recent loss of 10% or more of initial body weight.
Obesity is now recognized as the 2nd leading cause of preventable death in the U.S. and is associated with significant impairment. While structured behavioral regimes typically lead to significant weight loss, a burgeoning literature reveals less encouraging results for weight loss maintenance (WLM). Hence, innovative approaches to WLM are necessary to buffer against disease risks associated with weight regain. Interventions utilizing mindfulness meditation show promise in treating unhealthy eating behaviors and other obesity-related problems, including mood, blood sugar control and addiction. By enhancing self-awareness and emotion regulation, such interventions may be particularly useful in facilitating the internalization of healthy behavior change. The proposed study aims to develop a novel intervention to promote WLM. Specifically, we will develop a 12 week Mindfulness-Based Weight Loss Maintenance (MBWLM) intervention and test its efficacy against an attention/education/support control (ASC) condition in a two-arm RCT of overweight and obese (BMI > 25) men and women (N=95) who recently lost at least 10% of their initial body weight via non-surgical means. The primary endpoint will be percent change in weight from baseline to 12-month follow-up. We are also interested in testing the efficacy of the MBWLM program on improving secondary outcomes, including obesity/adiposity, health behaviors, and psychological well-being. In addition, we will study the impact of MBWLM on glucose metabolism, appetite/food intake regulation, and systemic inflammation. Outcome data will be collected at baseline, post-intervention, 6-month follow-up and 12-month follow-up. Multilevel ("mixed-effects") modeling will be used to test between-group differences on primary and secondary endpoints. Further, path analysis will be used to investigate mechanisms underlying successful WLM. Taken together, these data could provide support for the integration of mindfulness meditation into comprehensive treatment programs for obesity and weight management.
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This study's enrollment of 95 is above the median of 77 across 5,084 interventional studies indexed under Obesity.
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Inclusion Criteria: 1) Gender: Men and women. 2) Ethnicity: Any, with over-sampling of African-Americans. 3) Age: >18 4) Weight: BMI > 20 at study entry. 5) Documented (by physician, community weight loss program, personal friend or family member) weight loss of at least 9% of total body weight completed within the previous 3 year period and not regained greater than half of the 9% loss.
6) Planning to be in the area through the length of follow-up. 7) Availability of telephone. 8) English-speaking and English-literate. 9) Commitment to attend all treatment and assessment appointments. 10) If on medication that may affect outcome variables, on stable dose with willingness to remain at that dose from baseline through end of weekly (12-week) intervention and 12 month follow-up, unless physician orders otherwise.
11) Willingness to not engage in any other formal weight loss program through the 12 month follow-up.
12) Provides Informed consent. 13) Participants can have a weight loss or gain of more than 8.8lbs within the 3 month period prior to enrollment. However, due to the possibility that this will influence baseline inflammatory bio markers we will document the amount of self-reported weight change within the 3 month period prior to their baseline lab appointment.
Exclusion Criteria:
Known diabetes likely to require more intensive treatment, defined as a baseline glucometer reading > 350 or the inability to maintain a stable diabetes medication regimen for the previous 6 months.
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Attention/Education/Support Control Group designed to control for educational content as well as multiple nonspecific treatment factors (e.g., support, time invested, leader attention, positive expectancy)
Behavioral: Behavioral: Standard Behavioral Weight-Loss Maintenence
This mindfulness-meditation based intervention is designed to increase awareness of the factors that affect weight loss maintenance after successful weight loss.
Behavioral: Mindfulness Based Weight Loss Maintenance (MBWLM)
This mindfulness-meditation based intervention is designed to increase awareness of the factors that affect weight loss maintenance after successful weight loss. Mindfulness meditation is a technique for training awareness. The program will train subjects to increase awareness of the somatic, cognitive, affective, interpersonal and environmental factors that mediate eating and physical activity by incorporating empirically-supported and theoretically-synergized components, including: general mindfulness meditation skills, mindful and intuitive eating, appetite-satiety awareness, mindful movement and yoga, a mindful approach to exercise engagement, and training in enhancing emotion regulation and stress management skills. In addition, the MBWLM group will be supported by Maintenance Partners who are trained as Integrative Health Coaches.
Attention/Education/Support Control group, designed to control for educational content as well as nonspecific treatment factors \[e.g., natural history (time), amount of time and energy spent in the intervention, attention by group leaders, social support, as well as information \& education\]. Like the experimental group(MBWLM), this group meet once a week for 2 hours during the 12-week intervention, and then at 4 weeks, 8 weeks, and 12 weeks post the 12 week intervention. Participants also receive the same amount of telephonic support through Maintenance Partners as the experimental group, but their Maintenance Partners employed empathic listening only rather than myriad coaching techniques.
Weight Loss Maintenance
Our primary endpoint will be an evaluation of differential weight loss maintenance (WLM) or weight regain between the two conditions. All weight measures will be taken on the Tanita scale in a standardized fashion, in the morning following a 12 hour fast, after voiding and in bare feet while wearing a standardized outfit.
Time frame: 16-month
Body Mass Index
BMI is the most widely accepted indicator of overweight and obesity.
Time frame: 16-month
Waist circumference
Waist circumference will be assessed using methods prescribed by the United States Department of Health and Human Services. The point of measurement will be determined by locating the right iliac crest.
Time frame: 16 month
Percent Body Fat
Total body fat will be assessed using a bioelectrical impedance scale (Tanita Scale).
Time frame: 16 month
Psychological outcomes and lifestyle behavior
Questionnaires used to measure these outcomes, included POMS,PSS,SF-12, BES,IES,IPAQ,Modified Block Food Frequency Questionnaire,CAMS-R, 5-Factor Mindfulness Questionnaire,TAS-20
Time frame: 16-month
Biological markers of appetite
Assessed by serum Leptin, Ghrelin, PYY
Time frame: 16 months
Glucose metabolism
Evaluated by fasting serum glucose, postprandial glucose, fasting insulin, postprandial insulin, hemoglobin A1C
Time frame: 16 months
Biological markers of inflammation
Inflamation assessed by serum Interleukin-6 and serum C-Reactive Protein
Time frame: 16 months
This study is completed, as verified in Mar 2013. You cannot join it, but the record below documents what was studied.
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