Environmental and Acceptance-Based Innovations for Weight Loss Maintenance (ENACT)

Drexel University

Status: Completed

Conditions: Weight Loss; Overweight; Obesity

Treatments: Behavioral: Behavior Therapy + Environment; Behavioral: Acceptance-based Behavior Therapy + Environment; Behavioral: Behavior Therapy for Weight Loss

Study type: Interventional

Funder types: Other

Identifiers

NCT01858714

R01DK092374

Details and patient eligibility

About

The major goal of this project is to evaluate an innovative approach to obesity involving modification of the home environment. The project also will evaluate if home environment modification is more effective when supplemented with distress tolerance and related skills training.

Enrollment: 238 patients

Sex: All

Ages: 18 to 70 years old

Volunteers: No Healthy Volunteers

Inclusion criteria

• Have a BMI between 27 and 45 kg/m2
• Have the ability to engage in physical activity (i.e., can walk at least 2 blocks without stopping for rest)
• Successfully complete all steps in the enrollment process, including completion of a 7-day food diary and attendance at all pre-randomization clinic visits

Exclusion criteria

• Have a medical condition (e.g., cancer) or psychiatric condition (e.g., psychotic disorder, substance dependence, bulimia nervosa) that may limit their ability to comply with the behavioral recommendations of the program or pose a risk to the participant during weight loss
• Are pregnant or plan to become pregnant in next 2 years
• Report recently beginning a course of or changing the dosage of prescription medications that can cause significant weight loss or weight gain
• Are participating in or plan to participate in another weight loss program in the next 2 years

Trial design

Primary purpose: Treatment

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Single Blind

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238 participants in 3 patient groups

Behavior Therapy (BT)

Active Comparator group

Description:

Active Comparator: Behavior Therapy Behavioral treatment strategies will be utilized to facilitate adherence to the treatment goals in all three treatments. Participants in the BT condition will receive only the BT intervention. Strategies that will be emphasized are listed below: Self monitoring Stimulus control Changing eating behaviors Goal setting Problem solving Social support Cognitive restructuring Relapse prevention

Treatment:

Behavioral: Behavior Therapy for Weight Loss

Behavior Therapy + Environment

Experimental group

Description:

Participants will receive standard behavioral therapy with an emphasis on environmental strategies.

Treatment:

Behavioral: Behavior Therapy + Environment

Acceptance-based BT + Environment

Experimental group

Description:

Participants will receive acceptance-based behavioral therapy with an emphasis on environmental strategies.

Treatment:

Behavioral: Acceptance-based Behavior Therapy + Environment