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Impact of physiologic estrogen replacement on anxiety symptoms, body shape perception, and eating attitudes in adolescent girls with anorexia nervosa: data from a randomized controlled trial.

ABSTRACT: Anorexia nervosa is characterized by low weight, aberrant eating attitudes, body image distortion, and hypogonadism. Anxiety is a common comorbid condition. Estrogen replacement reduces anxiety in animal models, and reported variations in food intake across the menstrual cycle may be related to gonadal steroid levels. The impact of estrogen replacement on anxiety, eating attitudes, and body image has not been reported in anorexia nervosa. We hypothesized that physiologic estrogen replacement would ameliorate anxiety and improve eating attitudes without affecting body image in anorexia nervosa.Girls 13-18 years old with anorexia nervosa (DSM-IV) were randomized to transdermal estradiol (100 ?g twice weekly) with cyclic progesterone or placebo patches and pills for 18-months, between 2002 and 2010. The State-Trait Anxiety Inventory for Children (STAIC), the Eating Disorders Inventory-2 (EDI-2), and the Body Shape Questionnaire (BSQ-34) were administered. 72 girls completed these measures at baseline (n=38 [girls receiving estrogen] and n=34 [girls receiving placebo]) and 37 at 18 months (n=20 [girls receiving estrogen] and n=17 [girls receiving placebo]). The primary outcome measure was the change in these scores over 18 months.Estrogen replacement caused a decrease in STAIC-trait scores (-3.05 [1.22] vs. 2.07 [1.73], P=.02), without impacting STAIC-state scores (-1.11 [2.17] vs. 0.20 [1.42], P=.64). There was no effect of estrogen replacement on EDI-2 or BSQ-34 scores. Body mass index (BMI) changes did not differ between groups, and effects of estrogen replacement on STAIC-trait scores persisted after controlling for BMI changes (P=.03). Increases in serum estradiol were significantly associated with decreases in STAIC-trait scores (Spearman ? = -0.45, P=.03).Estrogen replacement improved trait anxiety (the tendency to experience anxiety) but did not impact eating attitudes or body shape perception.ClinicalTrials.gov identifier: NCT00088153.

SUBMITTER: Misra M

PROVIDER: S-EPMC4017248 | biostudies-literature | 2013 Aug

REPOSITORIES: biostudies-literature

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Impact of physiologic estrogen replacement on anxiety symptoms, body shape perception, and eating attitudes in adolescent girls with anorexia nervosa: data from a randomized controlled trial.

Misra Madhusmita M Katzman Debra K DK Estella Nara Mendes NM Eddy Kamryn T KT Weigel Thomas T Goldstein Mark A MA Miller Karen K KK Klibanski Anne A

The Journal of clinical psychiatry 20130801 8

<h4>Objective</h4>Anorexia nervosa is characterized by low weight, aberrant eating attitudes, body image distortion, and hypogonadism. Anxiety is a common comorbid condition. Estrogen replacement reduces anxiety in animal models, and reported variations in food intake across the menstrual cycle may be related to gonadal steroid levels. The impact of estrogen replacement on anxiety, eating attitudes, and body image has not been reported in anorexia nervosa. We hypothesized that physiologic estrog ...[more]

PMID: 24021517

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Project description:To examine trabecular microarchitecture with high-resolution flat-panel volume computed tomography (CT) and bone mineral density (BMD) with dual-energy x-ray absorptiometry (DXA) in adolescent girls with anorexia nervosa (AN) and to compare these results with those in normal-weight control subjects.The study was approved by the institutional review board and complied with HIPAA guidelines. Informed consent was obtained. Twenty adolescent girls, 10 with mild AN (mean age, 15.9 years; range, 13-18 years) and 10 age- and sex-matched normal-weight control subjects (mean age, 15.9 years; range, 12-18 years) underwent flat-panel volume CT of distal radius to determine apparent trabecular bone volume fraction (BV/TV), apparent trabecular number (TbN), apparent trabecular thickness (TbTh), and apparent trabecular separation (TbSp). All subjects underwent DXA of spine, hip, and whole body to determine BMD and body composition. The means and standard deviations (SDs) of structure parameters were calculated for AN and control groups. Groups were compared (Student t test). Linear regression analysis was performed.AN subjects compared with control subjects, respectively, showed significantly lower mean values for BV/TV (0.37% +/- 0.05 [SD] vs 0.46% +/- 0.03, P = .0002) and TbTh (0.31 mm +/- 0.03 vs 0.39 mm +/- 0.03, P < .0001) and higher mean values for TbSp (0.54 mm +/- 0.13 vs 0.44 mm +/- 0.04, P = .02). TbN was lower in AN subjects than in control subjects, but the difference was not significant (1.17 mm(-3) +/- 0.15 vs 1.22 mm(-3) +/- 0.07, P = .43). There was no significant difference in BMD between AN and control subjects. BMD parameters showed positive correlation with BV/TV and TbTh in the control group (r = 0.55-0.84, P = .05-.01) but not in AN patients.Flat-panel volume CT is effective in evaluation of trabecular structure in adolescent girls with AN and demonstrates that bone structure is abnormal in these patients compared with that in normal-weight control subjects despite normal BMD.http://radiology.rsnajnls.org/cgi/content/full/249/3/938/DC1.

Dataset Information

Impact of physiologic estrogen replacement on anxiety symptoms, body shape perception, and eating attitudes in adolescent girls with anorexia nervosa: data from a randomized controlled trial.

Publications

Impact of physiologic estrogen replacement on anxiety symptoms, body shape perception, and eating attitudes in adolescent girls with anorexia nervosa: data from a randomized controlled trial.

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