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Romeo J, Martinez-Gomez D, Diaz LE, Gómez-Martinez S, Marti A, Martin-Matillas M, Puertollano MA, Veiga OL, Martinez JA, Wärnberg J, Zapatera B, Garagorri JM, Morandé G, Campoy C, Moreno LA, Marcos A; EVASYON Study Group. Changes in cardiometabolic risk factors, appetite-controlling hormones and cytokines after a treatment program in overweight adolescents: preliminary findings from the EVASYON study Objective: We investigated the effects of the EVASYON program on body fatness, cardiometabolic risk factors, gut appetite-controlling hormones and serum levels of cytokines in adolescents with overweight or obesity (OW/OB). Methods: This study comprised 13 boys (10 obese) and 12 girls (8 obese), aged 13-16 years, from a Madrid Hospital. The EVASYON program was based on a calorie-restricted diet (10-40%), increased physical activity (at least 60 min/day 5 days a week), psychological therapy and nutritional education for 13 months. Anthropometric and blood pressure measurements were measured before and after intervention. Serum glucose, total cholesterol, high-density lipoprotein cholesterol, triglycerides, leptin, total peptide YY and insulin levels were determined before and after intervention. Serum levels of cytokines IL-1β, IL-2, IL-4, IL-5, IL-6, IL-8, IL-10, and TNF-α were also assessed before and after intervention. Results: A decrease in body mass index (BMI), BMI z-score, skinfolds (triceps, biceps, subscapular, thigh, and calf), sum of six skinfolds and body circumferences (arm relaxed and flexed, waist, hip, and proximal thigh) values were observed after the intervention program (all p < 0.05). In addition, diastolic blood pressure also decreased (p < 0.05). A decrease in serum leptin levels (-48.4%, p < 0.001) was observed after intervention without changes in total peptide YY and insulin levels. Levels of IL-8, IL-10, and TNF-α also decreased (all p < 0.05) after the intervention program. Conclusions: These preliminary results evidence that the EVASYON program may improve body fat, leptin, and some pro-inflammatory cytokines in adolescents with OW/OB. [ABSTRACT FROM AUTHOR]

Background: The prevalence of overweight and obesity (OW/OB) among adolescents worldwide has increased since the 60 s. Spain has reached one of the highest OW/OB prevalence rates among adolescents from European countries. The aim of this methodological paper is to describe the design and evaluation in the EVASYON study (Development, implementation and evaluation of the efficacy of a therapeutic programme for adolescents with OW/OB: integral education on nutrition and physical activity). Methods/Design: The EVASYON was planned by a multidisciplinary team to treat OW/OB in Spanish adolescents. The EVASYON is a multi-centre study conducted in 5 hospitals in 5 Spanish cities (Granada, Madrid, Pamplona, Santander and Zaragoza) and two hundred and four OW/OB Spanish adolescents were recruited for this intervention. The treatment was implemented for approximately one-year follow-up. The adolescents were treated in groups of a maximum of 10 subjects; each group had 20 visits during the treatment period in two phases: intensive during the first 2 months (1st to 9th visits), and extensive during the last 11 months (10th to 20th visits). In order to assess the efficacy of the treatment, 8 dimensions were measured: diet; physical activity and fitness; eating behaviour; body composition; haematological profile; metabolic profile; minerals and vitamins; immuno-inflammatory markers. Moreover, genetic polymorphisms were also determined. Discussion: The treatment programme developed in the EVASYON study was designed as a national pilot study to be implemented as an effective treatment for adolescents with OW/OB into the Spanish Health Care Service. [ABSTRACT FROM AUTHOR]