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Introduction: Binge eating disorder (BED) is accompanied by recurrent episodes of high food intake. BED may be associated with obesity and make its management difficult. Objective: to evaluate the metabolic profile and body composition of patients with obesity with and without BED. Methods: descriptive cross-sectional study carried out with 223 obese children and adolescents. Patients were submitted to a questionnaire (BES) to assess the presence of BED, with a validated Portuguese translation. Individuals with scores less than or equal to 17 were considered without BED. Laboratory tests performed were: blood glucose, insulin, total cholesterol and fractions and triglycerides. Body composition was measured using DXA (dual x-ray absorptiometry). Results: 113 girls and 110 boys were included, with a mean chronological age of 11.7 years (± 2.6), classified according to Tanner’s degree of maturation in prepubescent and pubescent. In the prepubertal group (n = 69), 14 (20.3%) individuals were classified as having BED, being 11 boys (78.6%). In the pubescent group (n = 154), 43 (27.9%) individuals had BED, being 12 boys (27.9%). In the group of pubescents with the presence of BED, the mean basal insulin value and zBMI were higher when compared to individuals with absent BED, (p=0.005) and (p=0.035). Regarding the metabolic variables: total cholesterol, HDL, LDL, triglycerides and fasting glucose, there was no statistical difference in relation to the group of pubescents with BED and no BED, (p=0.627), (p=0.064), ( p=0.177), (p=0.775), (p=0.710), respectively. Regarding body composition, the analysis was carried out through 140 DXA exams of the patients. We verified that the percentage of trunk fat was higher in the pubescent group with BED present (p=0.016). In the pubescent group with BED, the FMI (Fat Mass Index) and LBMI (Lean Mass Index) were higher compared to the group without BED (p = 0.002 and p = 0.031, respectively). There was no statistical difference between the prepubescent group, but we emphasize that the N was small. Conclusion: Our study showed that 25% of children and adolescents with obesity have BED. In patients with positive BED, there was a higher percentage of fat mass in the trunk, a higher body fat mass index, especially in patients in puberty, and a higher concentration of basal insulin. Thus, the periodic BINGE questionnaire is important to identify BED. In addition, we emphasize that the basis for the treatment of obesity is lifestyle changes, and this can be an even more difficult goal for patients with BED; Thus, identifying BED can help to ensure that individuals receive the appropriate specialized treatment.
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