A Trial to Test an Acceptance-based Therapy Program Among Adolescent Girls With Overweight/Obesity

An Acceptance-based Therapy Intervention vs. an Enhanced Care Condition for Weight Loss Among Adolescent Girls With Overweight/Obesity: A Randomized, Controlled Trial

The purpose of this study is to investigate the effects of an acceptance-based therapy weight loss intervention compared with enhanced care for adolescents.

Participants will complete baseline assessments and adolescents will be randomized to either an ABT weight loss intervention or enhanced care.

The intervention will include 15 sessions over 6 months. Enhanced care will include 15 healthy lifestyle handouts over 6 months.

Post-treatment assessments will occur.

Inclusion Criteria:

• Adolescent between ages 14-19 with overweight or obesity at or above the 85th percentile for sex and age as determined by CDC growth charts

Exclusion Criteria:

• Known pregnancy or plans to become pregnant in the next 2 years
• Plans to move out of the area in the next year
• Autism, any intellectual disability (e.g., down syndrome)
• Any condition prohibiting physical activity
• A diagnosis of cardiovascular disease or diabetes
• Have active cancer or cancer requiring treatment in the past 2 years
• Have active or chronic infections (e.g., HIV or TB)
• Have active kidney disease or lung disease
• An eating disorder or substance abuse disorder
• Having recently begun a course of or changed the dosage of any medications known to affect appetite or body composition
• Weight loss greater than or equal to 5% in the previous 6 months
• If they do not follow the study plan