NCT03564392

Brief Summary

This project aims to evaluate a newly developed Internet-delivered (via e-learning modules) acceptance-based behavioral intervention (ABTi) for individuals who are experiencing weight regain after bariatric surgery. Specifically, the investigators aim to assess ABTi's efficacy on stopping and/or reversing weight by comparing it to a wait-list control (WLC) condition. The investigators also aim to evaluate its effect on targeted weight control behaviors and acceptance-based skills. Finally, the investigators will examine the relationship between weight outcomes and changes in process variables through exploratory analyses. Treatment outcomes (i.e., weight, maladaptive behaviors, physical activity, acceptance-based skills) will be measured at assessments pre-, mid-, and post-treatment, as well as at 3 months after treatment has ended. Primary Aims.

  1. 1.To test the hypothesis that participants randomly assigned to ABTi will display greater weight loss from pre- to post-treatment than those assigned to WLC.
  2. 2.To test the hypothesis those receiving ABTi, compared to WLC, will display decreased maladaptive eating behaviors (i.e., loss of control episodes, grazing, emotional eating, disinhibition), increased physical activity, and greater improvements in acceptance-based skills (i.e., mindfulness, defusion, food-related acceptance).

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
74

participants targeted

Target at P50-P75 for not_applicable obesity

Timeline
Completed

Started Mar 2017

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

Study Start

First participant enrolled

March 28, 2017

Completed
1.1 years until next milestone

First Submitted

Initial submission to the registry

April 26, 2018

Completed
2 months until next milestone

First Posted

Study publicly available on registry

June 20, 2018

Completed
8 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

January 31, 2019

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

January 31, 2019

Completed
Last Updated

March 28, 2019

Status Verified

March 1, 2019

Enrollment Period

1.8 years

First QC Date

April 26, 2018

Last Update Submit

March 26, 2019

Conditions

Outcome Measures

Primary Outcomes (1)

  • Weight loss

    10 weeks

Secondary Outcomes (8)

  • Loss of Control Eating Scale (LOCES)

    10 weeks

  • Repetitive Eating Assessment-Questionnaire (Rep(eat))

    10 weeks

  • Emotional Eating Scale (EES)

    10 weeks

  • The Eating Inventory

    10 weeks

  • Paffenbarger Physical Activity Recall

    10 weeks

  • +3 more secondary outcomes

Study Arms (2)

Treatment

EXPERIMENTAL

Ten weekly modules will be delivered through an e-learning platform (i.e., Coursesites). Each module includes a video presentation of material synchronized with a slideshow illustrating session material with interactive features, and directed assignments to be completed throughout the week. At the end of every two weeks, a brief (i.e., 20 min) telephone call with a member of the study team will be scheduled to discuss and clarify the content of the session, discuss how the participant utilized skills demonstrated in the session, problem-solve difficulties in utilizing the skills, and review homework. Participants will be required to weigh themselves weekly (data will be transferred wirelessly to the laboratory) and feedback regarding weight losses will be provided during the phone call. The interventionist will provide individualized feedback on food records via email.

Behavioral: Acceptance Based Behavioral Intervention

Wait List Control

NO INTERVENTION

The Wait-List Control (WLC) condition does not receive any intervention during the study period. They receive the intervention after completing the study.

Interventions

This intervention focuses on acceptance-based strategies with an emphasis on willingness to experience less pleasurable internal experiences (e.g., pleasure from eating calorically-dense foods) and aversive internal experiences (e.g., hunger, food cravings). Strategies to increase this willingness will be taught, including defusion (i.e., getting psychological distance from internal experiences to allow oneself to act independently of them). Mindful decision-making, as it relates to eating and exercise, will also be emphasized. Clarification and commitment to core values is another key component, as living life in accordance with one's values (e.g., health) makes willingness to make difficult choices worthwhile. Standard behavioral techniques for weight loss (i.e., self-monitoring, stimulus control, psychoeducation) will also be included.

Treatment

Eligibility Criteria

Age18 Years - 70 Years
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Has undergone any type of weight loss surgery at least 1.5 years ago
  • Demonstrate ≥ 10% weight regain of maximum weight loss or 5% of their minimum weight post-surgery, with weight regain lasting for at least 3 months prior to enrollment.
  • Ability to give consent and speak, write, and understand English.

You may not qualify if:

  • Currently enrolled in structured weight loss program
  • Currently pregnant/plan to become pregnant within 6 months of enrollment
  • Have a serious medical condition that has the potential of affecting weight or that would prevent engagement in dietary changes and/or an exercise regimen
  • Exhibit psychiatric symptoms that would interfere with the ability to benefit from the intervention, or report acute suicidality
  • Non-ambulatory (i.e., unable to walk at least one city block without a cane or walker at the time of screening
  • Use of medications known to affect body weight, such as chronic systemic steroids or psychiatric medications including lithium, tricyclic antidepressants, and antipsychotic agents

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Rush University Medical Center

Chicago, Illinois, 60612, United States

Location

MeSH Terms

Conditions

Obesity

Condition Hierarchy (Ancestors)

OverweightOvernutritionNutrition DisordersNutritional and Metabolic DiseasesBody WeightSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Assistant Professor

Study Record Dates

First Submitted

April 26, 2018

First Posted

June 20, 2018

Study Start

March 28, 2017

Primary Completion

January 31, 2019

Study Completion

January 31, 2019

Last Updated

March 28, 2019

Record last verified: 2019-03

Locations