68 A cross-sectional survey in young adults with NES used latent class

68 A cross-sectional survey in young adults with NES used latent class analysis (LCA) to identify four subtypes of NE symptomatology (depressed and non-depressed late and night-eaters). Obesity was not associated with any of the four classes, or NE in general, with the mean (s.d.) BMI of nighteaters being slightly lower than non-night-eaters (24.8 (5.9) vs 25.4 (6.0)).34 No difference in BMI, BMI at age 20, or maximum BMI was seen between NES and non-NES subjects with class II II obesity participating in an inpatient weight loss programme.69 NES AND CHILDHOOD OBESITY Childhood obesity is a known risk factor for adult obesity and is associated with childhood depression and low self-esteem.70 It would seem reasonable to assume that a relationship might exist between childhood obesity and NES, although survey data do not support this. In all, 1.1 of AC220 side effects German children aged 5? years were identified by their parents as getting up at night to eat.40 Similar results were identified in a longitudinal study of children, with 1.5 reporting eating more than 25 of total kCal intake between 2300 and 0500 hours at the age of 11 years. By the age of 19, this had increased to 3.5 , with larger numbers reporting positive on the more relaxed criteria of eating 425 of total calorie intake after the last evening meal. Further follow-up of at the age of 21 showed a NES prevalence of 1.6 , in keeping with general adult population levels.71 No association with obesity was found in any of these studies, although obese children who may have developed NE as a response to strict parental control over daytime eating may be reluctant to report this. NES TREATMENTS The most successful pharmacological treatment option for NES reported to date is with sertraline, a selective serotonin reuptake inhibitor (SSRI) anti-depressant, which is also known to improve anxiety. A placebo-controlled trial of 8 weeks duration in 34 American subjects with a mean BMI of 32.6 kg m ?2 confirmed the findings of an earlier small-scale open label study that responders to sertraline experience weight loss, reductions in nocturnal ingestions and in calorie intake after the evening meal.29 GivenNutrition and Diabetesthe success of sertraline as a treatment, Stunkard supports the view that the drug may effect a more normal circadian rhythm of food intake through the suprachiasmic nucleus through the restoration of inadequate serotonin levels.72,73 A pilot SPECT (single photon emission computed tomography) study comparing the serotonin transport uptake ratios of night-eaters with healthy controls has supported the likely Chaetocin chemical information involvement of the serotonin system as opposed to other neuroendocrine systems in the pathophysiology of NES.74 A pilot study of a 10-session cognitive behavioural therapy (CBT) programme on 25 NES participants (mean BMI 29.5 kg m ?2) has shown promising results and supports earlier reports of behavioural change strategies recommended in a self-help manual.75,76 Significant reductions in weight, number of nocturnal ingestions and per cent of daily calorie intake after dinner (all Po0.0001) were noted, although larger controlled treatment trials on varied populations including those with severe obesity are required to assess fully the efficacy of the programme.76 Other small-scale and case report studies describe the use of other anti-depressants,77,78 non-pharmacological antidepressant treatments such as Gotu Kola,79 Abbreviated Progressive Muscle Relaxation Technique (APMRT).68 A cross-sectional survey in young adults with NES used latent class analysis (LCA) to identify four subtypes of NE symptomatology (depressed and non-depressed late and night-eaters). Obesity was not associated with any of the four classes, or NE in general, with the mean (s.d.) BMI of nighteaters being slightly lower than non-night-eaters (24.8 (5.9) vs 25.4 (6.0)).34 No difference in BMI, BMI at age 20, or maximum BMI was seen between NES and non-NES subjects with class II II obesity participating in an inpatient weight loss programme.69 NES AND CHILDHOOD OBESITY Childhood obesity is a known risk factor for adult obesity and is associated with childhood depression and low self-esteem.70 It would seem reasonable to assume that a relationship might exist between childhood obesity and NES, although survey data do not support this. In all, 1.1 of German children aged 5? years were identified by their parents as getting up at night to eat.40 Similar results were identified in a longitudinal study of children, with 1.5 reporting eating more than 25 of total kCal intake between 2300 and 0500 hours at the age of 11 years. By the age of 19, this had increased to 3.5 , with larger numbers reporting positive on the more relaxed criteria of eating 425 of total calorie intake after the last evening meal. Further follow-up of at the age of 21 showed a NES prevalence of 1.6 , in keeping with general adult population levels.71 No association with obesity was found in any of these studies, although obese children who may have developed NE as a response to strict parental control over daytime eating may be reluctant to report this. NES TREATMENTS The most successful pharmacological treatment option for NES reported to date is with sertraline, a selective serotonin reuptake inhibitor (SSRI) anti-depressant, which is also known to improve anxiety. A placebo-controlled trial of 8 weeks duration in 34 American subjects with a mean BMI of 32.6 kg m ?2 confirmed the findings of an earlier small-scale open label study that responders to sertraline experience weight loss, reductions in nocturnal ingestions and in calorie intake after the evening meal.29 GivenNutrition and Diabetesthe success of sertraline as a treatment, Stunkard supports the view that the drug may effect a more normal circadian rhythm of food intake through the suprachiasmic nucleus through the restoration of inadequate serotonin levels.72,73 A pilot SPECT (single photon emission computed tomography) study comparing the serotonin transport uptake ratios of night-eaters with healthy controls has supported the likely involvement of the serotonin system as opposed to other neuroendocrine systems in the pathophysiology of NES.74 A pilot study of a 10-session cognitive behavioural therapy (CBT) programme on 25 NES participants (mean BMI 29.5 kg m ?2) has shown promising results and supports earlier reports of behavioural change strategies recommended in a self-help manual.75,76 Significant reductions in weight, number of nocturnal ingestions and per cent of daily calorie intake after dinner (all Po0.0001) were noted, although larger controlled treatment trials on varied populations including those with severe obesity are required to assess fully the efficacy of the programme.76 Other small-scale and case report studies describe the use of other anti-depressants,77,78 non-pharmacological antidepressant treatments such as Gotu Kola,79 Abbreviated Progressive Muscle Relaxation Technique (APMRT).