{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,7,30]],"date-time":"2026-07-30T09:19:26Z","timestamp":1785403166112,"version":"3.56.0"},"reference-count":102,"publisher":"MDPI AG","issue":"11","license":[{"start":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T00:00:00Z","timestamp":1780272000000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100019916","name":"Swiss Anorexia Nervosa Foundation","doi-asserted-by":"publisher","award":["23-13"],"award-info":[{"award-number":["23-13"]}],"id":[{"id":"10.13039\/501100019916","id-type":"DOI","asserted-by":"publisher"}]},{"award":["23-13"],"award-info":[{"award-number":["23-13"]}],"id":[{"id":"https:\/\/ror.org\/00kb3m272","id-type":"ROR","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001659","name":"German Research Foundation","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100001659","id-type":"DOI","asserted-by":"crossref"}]},{"id":[{"id":"https:\/\/ror.org\/018mejw64","id-type":"ROR","asserted-by":"publisher"}]},{"name":"Open Access Publication Funds of Charit\u00e9\u2014Universit\u00e4tsmedizin Berlin"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Nutrients"],"abstract":"<jats:p>Objectives: To assess associations between body weight metrics and eating disorder (ED)-psychopathology in adolescents with anorexia nervosa (AN) at baseline and four weeks post-discharge (4-week follow-up) from inpatient psychiatric multimodal treatment (IMT), calculating full and partial body mass index (BMI) percentile\/ED-psychopathology remission rates. Methods: Secondary analysis of a prospective observational cohort study in adolescents (12\u201318 years) with AN-restricting (AN-R)\/-binge\u2013purge (AN-BP), and atypical AN (AAN). Body weight metrics and ED-psychopathology (Eating Disorder Examination Questionnaire, EDE-Q) were assessed at baseline and 4-week follow-up. Remission at 4-week follow-up was calculated by applying German-AN-S3-guidelines-based vs. DSM-5 criteria. Results: In 40 adolescents (mean age = 15.6 \u00b1 1.5 years; females = 90%; BMI z-score = \u22122.59 \u00b1 1.07) receiving IMT (median duration = 118 (IQR = 90\u2013150) days), BMI z-score increased (\u22122.61 to \u22121.04, p &lt; 0.001) and EDE-Q global score decreased (3.26 to 1.81, p &lt; 0.001) from baseline to 4-week follow-up. Greater weight gain\/week during IMT had a positive impact on ED-psychopathology at 4-week follow-up. In multivariable analyses, greater BMI z-score improvement was independently predicted by lower baseline BMI z-score (p &lt; 0.001) and fewer baseline comorbid psychiatric diagnoses (p = 0.034) (R2Adjusted = 0.545). Greater EDE-Q global score improvement was independently predicted by typical vs. atypical AN (p = 0.005), higher baseline BMI z-score (p = 0.012), and higher baseline EDE-Q restraint (p = 0.048) (R2Adjusted = 0.376). By applying stricter S3-guideline-based vs. DSM-5 BMI percentile criteria, full BMI percentile\/ED-psychopathology remission was lower (12.5% vs. 50.0%, p = 0.001), while non-remission was higher (25.0% vs. 5.0%, p = 0.001). Conclusions: The complex relationships between body weight metrics, ED-psychopathology, and treatment outcome trajectories in AN, including treatment response and remission criteria, require further investigation.<\/jats:p>","DOI":"10.3390\/nu18111786","type":"journal-article","created":{"date-parts":[[2026,6,1]],"date-time":"2026-06-01T12:19:42Z","timestamp":1780316382000},"page":"1786","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Changes in and Remission of Body Weight and Eating Disorder Psychopathology in Adolescents with Anorexia Nervosa During and Four Weeks Post Inpatient Treatment"],"prefix":"10.3390","volume":"18","author":[{"ORCID":"https:\/\/orcid.org\/0009-0005-2060-1713","authenticated-orcid":false,"given":"Elisabeth M.","family":"Neumeier","sequence":"first","affiliation":[{"name":"Department of Child and Adolescent Psychiatry, Psychosomatic Medicine and Psychotherapy, Charit\u00e9\u2014Universitaetsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt Universitaet zu Berlin, and Berlin Institute of Health, Augustenburger Platz 1, 13353 Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0001-0945-9948","authenticated-orcid":false,"given":"Linus","family":"Imken","sequence":"additional","affiliation":[{"name":"Department of Child and Adolescent Psychiatry, Psychosomatic Medicine and Psychotherapy, Charit\u00e9\u2014Universitaetsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt Universitaet zu Berlin, and Berlin Institute of Health, Augustenburger Platz 1, 13353 Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Vivien","family":"Kaiser","sequence":"additional","affiliation":[{"name":"Department of Child and Adolescent Psychiatry, Psychosomatic Medicine and Psychotherapy, Charit\u00e9\u2014Universitaetsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt Universitaet zu Berlin, and Berlin Institute of Health, Augustenburger Platz 1, 13353 Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-7293-9496","authenticated-orcid":false,"given":"Daniel","family":"Le Grange","sequence":"additional","affiliation":[{"name":"Department of Child and Adolescent Psychiatry, Psychosomatic Medicine and Psychotherapy, Charit\u00e9\u2014Universitaetsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt Universitaet zu Berlin, and Berlin Institute of Health, Augustenburger Platz 1, 13353 Berlin, Germany"},{"name":"Department of Psychiatry and Behavioral Sciences, UCSF Weill Institute for Neurosciences, University of California, San Francisco, CA 94143, USA"},{"name":"Department of Psychiatry and Behavioral Neuroscience, The University of Chicago, Chicago, IL 60637, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Verena","family":"Haas","sequence":"additional","affiliation":[{"name":"Department of Child and Adolescent Psychiatry, Psychosomatic Medicine and Psychotherapy, Charit\u00e9\u2014Universitaetsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt Universitaet zu Berlin, and Berlin Institute of Health, Augustenburger Platz 1, 13353 Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Christoph U.","family":"Correll","sequence":"additional","affiliation":[{"name":"Department of Child and Adolescent Psychiatry, Psychosomatic Medicine and Psychotherapy, Charit\u00e9\u2014Universitaetsmedizin Berlin, Corporate Member of Freie Universitaet Berlin, Humboldt Universitaet zu Berlin, and Berlin Institute of Health, Augustenburger Platz 1, 13353 Berlin, Germany"},{"name":"German Center for Mental Health (DZPG), 10117 Berlin, Germany"},{"name":"German Center for Child and Adolescent Health (DZKJ), 13353 Berlin, Germany"},{"name":"Department of Psychiatry, The Zucker Hillside Hospital, Northwell Health, Glen Oaks, NY 11004, USA"},{"name":"Department of Psychiatry and Molecular Medicine, Zucker School of Medicine at Hofstra\/Northwell, Hempstead, NY 11549, USA"},{"name":"Einstein Center Population Diversity (ECPD), 10117 Berlin, Germany"},{"name":"Center for Psychiatric Neuroscience, Feinstein Institute for Medical Research, Manhasset, NY 11030, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2026,6,1]]},"reference":[{"key":"ref_1","unstructured":"World Health Organization (2004). 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