Conference Program

Randomized Controlled Trial of Cognitive-Behavioral Therapy vs. Nutrition Counseling for Youth with Avoidant/Restrictive Food Intake Disorder Kamryn T Eddy1, 2, Laura M Holsen1, 2, Mark Vangel1, 2, Stefania L Yee, 1, 2 Jonathan Xiang1, 2, Kelly Armstrong, 1, 2 Arjun Shreekumar1, 2, Kendra R Becker1.2, P Evelyna Kambanis1, 2, Kathryn G Pasquariello1, 2, Ashley Dunford1, 2, Tara M Holmes1, 2, Brittani Martino1, 2, Elisa Asanza1, 2, Lauren Breithaupt1, 2, Meghan Slattery, 1, 2 Kathryn S Brigham1, 2, Elizabeth A Lawson1, 2, Jennifer J Thomas1, 2. 1Massachusetts General Hospital, Boston, MA, USA.2Harvard Medical School, Boston, MA, USA.3Denotes shared senior authorship, Boston, MA, USA

Associations Between GLP-1RA Use and Lifetime Eating Disorders Liv Hog1, Lisa Dinkler1, Lu Yi1, Cynthia M. Bulik1, 2, 3, Andreas BirgegAyrd1, Emma ForsAcn Mantilla1, 4. 1Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden.2Department of Psychiatry, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.3Department of Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.4Gymnastik- och idrottshApgskola, Stockholm, Sweden

FoodSeq as a novel stool-based dietary biomarker in anorexia nervosa: a multivariate analysis of dietary patterns and clinical recovery Kylie R. Jeffrey1, 2, Nolan W. Ives1, Sharon Jiang1, Cynthia M. Bulik1, 3, Ian M. Carroll2, Lawrence A. David1. 1Duke University, Durham, NC, USA.2University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.3Karolinska Institutet, Stockholm, Sweden

Prevalence of Eating Disorders and Body Image Dissatisfaction in Africa: A Systematic Review and Meta-Analysis of Risk and Symptom Levels Musa Jemal Nagesh, Shemsu Kedir, Isabel Krug. The University of Melbourne, Melbourne, Australia

Neural Mechanisms of Exposure Therapy for Avoidant/Restrictive Food Intake Disorder: A Randomized Controlled Trial Jennifer J Thomas1, 2, Kendra R Becker1, 2, Mark Vangel1, 2, Stefania L Yee, 1, 2 Jonathan Xiang1, 2, Kelly Armstrong, 1, 2 Arjun Shreekumar1, 2, P Evelyna Kambanis1, 2, Kathryn G Pasquariello1, 2, Ashley Dunford1, 2, Tara M Holmes1, 2, Brittani Martino1, 2, Elisa Asanza1, 2, Lauren Breithaupt1, 2, Meghan Slattery, 1, 2 Kathryn S Brigham1, 2, Laura M Holsen1, 2, 3, Elizabeth A Lawson1, 2, 3, Kamryn T Eddy1, 2, 3. 1Massachusetts General Hospital, Boston, MA, USA.2Harvard Medical School, Boston, MA, USA.3Denotes shared senior authorship, Boston, MA, USA

DIGITAL TRANSDIAGNOSTIC EARLY INTERVENTION FOR YOUTH WITH DISORDERED EATING: A RANDOMISED CONTROLLED TRIAL OF 9 SINGLE SESSION INTERVENTIONS Tracey Wade, Mia Pellizzer, Marcela Radunz, Jamie-Lee Pennesi, Yuan Zhou. Flinders University, Adelaide, Australia

Nutritional state-dependent changes in subcortical limbic structures in anorexia nervosa are linked to leptin, ghrelin, and neurofilament light Marie-Louis Wronski1, Klaas Bahnsen1, Fabio Bernardoni1, Maria Seidel1, Arne Doose1, Johanna L. Keeler2, Veit Roessner3, Joseph A. King1, Stefan Ehrlich1. 1Translational Developmental Neuroscience Section, Division of Psychological and Social Medicine and Developmental Neurosciences, Faculty of Medicine, Technische UniversitAct Dresden, Dresden, Germany.2Klinik fA¼r Psychiatrie, Psychosomatik und Psychotherapie, LVR-UniversitActsklinik Essen, Essen, Germany.3Department of Child and Adolescent Psychiatry, Faculty of Medicine, University Hospital Carl Gustav Carus, Technische UniversitAct Dresden, Dresden, Germany

Interpersonal Synchrony in the Transmission of Psychopathology: Mechanisms, Risks, and Clinical Opportunities Kerstin Konrad. Aachen University and Forschungszentrum Julich

PSYCHOLOGICAL

190

Touching Grass: Real-Time Effects of Nature Exposure on Cognition, Mood, and Body Image Mariam Huda Mian, Ying Qing Won, Isabel Krug. The University of Melbourne, Melbourne, Australia

TREATMENT/PREVENTION

219

An online guided self-help for transdiagnostic eating disorders: the results of the INTERconNEcT-ED trial Gaia Albano1, Salvatore Gullo1, Cristina Segura-Garcia 2, Valentina Cardi3, Mariarita Semola1, Vittoria Franchina1, Gianluca Lo Coco1. 1Department of Psychology, Educational Science and Human Movement, University of Palermo, Palermo, Italy.2Outpatient Unit for Clinical Research and Treatment of Eating Disorders, University HosDepartment of Medical and Surgical Sciences, University a, Catanzaro, Italy.3Department of General Psychology, University of Padova, Padova, Italy

MISCELLANEOUS

156

Barriers and Challenges in Eating Disorder Care: A Qualitative Study of Brazilian Psychiatrists’ Perspectives Mireille C. Almeida1, 2, Maria A. Pedrosa1, 3, 4, JoApo C. Hiluy1, 5, 6, PatrAscia P. Lemos 1, 7, MAircia AssunAsApo8, Maria A. Peres8, Maria A. Nunes1, 9, TAiki Cordas1, 4, Adriano Segal1, 10, 11, Denise Cardoso1, AntAanio Geraldo1, JosAc C. Appolinario1, 5, 11. 1Eating Disorders Committee of the Brazilian Psychiatric Association (ABP), Rio de Janeiro, Brazil.2Department of Mental Health, Faculdade de CiAoncias MAcdicas da Santa Casa de SApo Paulo (FCMSCSP), SApo Paulo, Brazil.3Department of Alcohol and Drugs at Instituto Perdizes - Universidade de SApo Paulo (USP), SApo Paulo, Brazil.4Eating Disorders Program AMBULIM, Universidade de SApo Paulo (USP), SApo Paulo, Brazil.5Obesity and Eating Disorders Group (GOTA), Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil.6Unichristus University Center, Fortaleza, Brazil.7Departamento de Psiquiatria, Faculdade Zarns, Salvador, Brazil.8Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil.9Programa de PA³s-GraduaAsApo em Epidemiologia, Faculdade de Medicina, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil.10Obesity and Metabolic Syndrome Outpatient Service, Endocrinology and Metabolism Department, Faculdade de Medicina da Universidade de SApo Paulo, SApo Paulo, Brazil.11Psychiatry and Eating Disorders Department at the Brazilian Association for the Study of Obesity and Metabolic Syndrome (ABESO), SApo Paulo, Brazil

BIOLOGICAL/RISK FACTORS

245

Intermittent Fasting and Eating Disorder Psychopathology: A Systematic Review Lina Amor1, Chloe Wong2, Dasha Nicholls2, Victoria Burmester2. 1Division of Psychiatry, University College, London, United Kingdom.2Division of Psychiatry, Imperial College, London, United Kingdom

TREATMENT/PREVENTION

163

Using Ecological Momentary Assessment to Inform MicroInterventions for Reducing Eating Disorder Risk: Findings from Two Feasibility Studies Melissa J Atkinson, Amy Robbins, Lucy Tipple. University of Bath, Bath, United Kingdom

PSYCHOLOGICAL

58

Associations Between Sexual Minority and Intraminority Stressors and Thinness- and Muscularity-Oriented Eating and Body Image Disturbances in Sexual Minoritized Men: Variable-Centered, Person-Centered, and Network Analysis Wesley Barnhart1, Kathryn Pasquariello1, Nathalie Gullo1, 2, Urvashi Dixit3, Rachel Henderson3, Reza Sahlan4, Souradeep Chakraborty5, Xiaoyin Liu6, Cheri Levinson7, Jinbo He8, Abby Braden9. 1Suffolk University, Boston, MA, USA.2Washington University in St. Louis, St. Louis, MO, USA.3University of South Alabama, Mobile, AL, USA.4University at Buffalo-State University of New York, Buffalo, NY, USA.5Tata Institute of Social Sciences, Mumbai, India.6Auburn University, Auburn, AL, USA.7University of Louisville, Louisville, KY, USA.8Xi'an Jiaotong-Liverpool University, Suzhou, China.9Bowling Green State University, Bowling Green, OH, USA

266

Bidirectional Temporal Relationships Between Emotional State and Eating Across Eating Disorders: A Network Approach Jens Blechert, Sercan Kahveci, Julia Reichenberger, Ann-Kathrin Arend, Alessandra C. Mansueto, RenAc Freichel, Ulrich Voderholzer.

TREATMENT/PREVENTION

65

Establishing Academic and Community Partnerships to Improve Outcomes for Post-secondary Students with Eating Disorders in Canada Lindsay Bodell1, Cheryl Forchuk1, 2, Anne Peters2, Jonathan Serrato2, Avery Bender1, Robbie Campbell3, 4. 1Western University, London, ON, Canada.2Lawson Research Institute, London, ON, Canada.3Eating Disorders Foundation of Canada, London, ON, Canada.4The Harbour, London, ON, Canada

ASSESSMENT/CLASSIFICATION

79

A Person-Centred and Data-Driven Approach to Phenotyping Anorexia Nervosa Charlotte Bovenberg1, 2, Johanna L. Keeler2, 1, Valentina Cardi3, 1, Suman Ambwani4, Rebecca Morris1, Katie Rowlands1, Janet Treasure1, 5. 1Centre for Research in Eating and Weight Disorders, Department of Psychological Medicine, Institute of Psychiatry, Psychology and Neuroscience, London, United Kingdom.2Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, LVR University Hospital Essen, Essen, Germany.3Department of Psychology, University of Padova, Padova, Italy.4DIS Study Abroad in Scandinavia (DK), Copenhagen, Denmark.5South London and Maudsley NHS Foundation Trust, Bethlem Royal Hospital, London, United Kingdom

TREATMENT/PREVENTION

212

Development of a modular intervention for children & adolescents living with avoidant restrictive food intake disorder: a systematic process Rachel Bryant-Waugh1, 2, Leanne Dreyer2, 3, Sophie Bennett1, 2. 1South London and Maudsley NHS Foundation Trust, London, United Kingdom.2Kings College London, London, United Kingdom.3Guys and St Thomas' NHS Foundation Trust, London, United Kingdom

BIOLOGICAL/RISK FACTORS

236

Social Rejection Predicts Eating Disorder Psychopathology in Nonclinical Adolescent Females Victoria Burmester, Chloe Wong, Dasha Nicholls. Division of Psychiatry, Imperial College, London, United Kingdom

TREATMENT/PREVENTION

114

Virtual Reality café intervention alongside usual care for people with eating disorders: a mixed-methods single arm feasibility study Laura Chapman1, 2, Lucy Biddle1, 2, Peter Blair4, Gillian Combe5, James Downs6, Alys Grant7, Robert Mullen3, Anne Stewart8, Ian Penton-Voak2, 9, Lucy Yardley9, 10, Bernhard Spanlang11, Paul Moran1, 12, Tamsin Ford13, Helen Bould1, 2, 3. 1Centre for Academic Mental Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom.2NIHR Bristol Biomedical Research Centre, University Hospitals Bristol and Weston NHS Foundation Trust and University of Bristol, UK, Bristol, United Kingdom.3Gloucestershire Health and Care NHS Foundation Trust, Gloucester, United Kingdom.4Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, United Kingdom.5Oxford Health NHS Foundation Trust, Oxford, United Kingdom.6Expert By Experience, Cardiff, United Kingdom.7Expert By Experience, Canterbury, United Kingdom.8Department of Psychiatry, University of Oxford, Oxford, United Kingdom.9School of Psychological Science, University of Bristol, Bristol, United Kingdom.10School of Psychology, University of Southampton, Southampton, United Kingdom.11Kiin, Barcelona, Spain.12Avon and Wiltshire Mental Health Partnership NHS Trust, Bristol, United Kingdom.13Department of Psychiatry, University of Cambridge, Cambridge, United Kingdom

46

Implementation of a Training Hub to Build Capacity for Pediatric Eating Disorders Services Jennifer S Coelho1, 2, 3, Julia Kaufmann2, 3, Sharon HJ Hou2, 4, Tayla Bain2, Patricia Obee2, Josie Geller3, 5, Kim Williams1, Jeffrey N Bone2, 3, Jennifer Couturier6, 7, Melissa Kimber6, 7, Sarah Hooseman2, Heidi Grogan8, Nicole Obeid9, 10, Brynn Kelly11, Daniel Le Grange12, 13, Gina Dimitropoulos14. 1BC Children's Hospital, Vancouver, BC, Canada.2BC Children's Hospital Research Institute, Vancouver, BC, Canada.3University of British Columbia, Vancouver, BC, Canada.4Simon Fraser University, Burnaby, BC, Canada.5St. Paul's Hospital, Vancouver, BC, Canada.6McMaster University, Hamilton, ON, Canada.7McMaster Children's Hospital, Hamilton, ON, Canada.8Lived Experience Partner, Calgary, AB, Canada.9Children's Hospital of Easter Ontario (CHEO) Research Institute, Ottawa, ON, Canada.10University of Ottawa, Ottawa, ON, Canada.11Dalhousie University, Halifax, NS, Canada.12University of California, San Francisco, CA, USA.13University of Chicago, Chicago, IL, USA.14University of Calgary, Calgary, AB, Canada

PSYCHOLOGICAL

217

ARFID traits in a Portuguese community sample: association with autism spectrum traits and distress tolerance Eva ConceiAsApo, CAclia Ferreira, DAcvora Barreira. University of Porto, Faculty of Psychology and Education Sciences, Porto, Portugal

BIOLOGICAL/RISK FACTORS

196

Psychiatric morbidity is overrepresented in young girls at high risk of developing anorexia nervosa Karin Dahlin1, 2, Kajsa JAcrvholm3, Jovanna Dahlgren4, 5, Elisabet Wentz1, 6. 1Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden.2Department of Pediatric Neurology and Psychiatry, Sahlgrenska University Hospital, Region VAcstra GAptaland, Gothenburg, Sweden.3Department of Psychology, Faculty of Social Sciences, Lund University, Lund, Sweden.4Department of Pediatrics, Institute of Clinical Sciences, University of Gothenburg, Gothenburg, Sweden.5Region VAcstra GAptaland, Queen Silvia Children's Hospital, Sahlgrenska University Hospital, Gothenburg, Sweden.6Department of Neuropsychiatry, Sahlgrenska University Hospital, Region VAcstra GAptaland, Gothenburg, Sweden

PSYCHOLOGICAL

206

SCROLLING FOR SELF-LOVE: HOW BODY-POSITIVE CONTENT SHAPES BODY IMAGE IN EATING DISORDER POPULATIONS Alexandra E. Dingemans1, 2, Jolanda Veldhuis 3. 1GGZ Rivierduinen Eating Disorders Ursula, Leiden, Netherlands.2Leiden University Medical Center, Leiden, Netherlands.3Vrije Universiteit, Amsterdam, Netherlands

TREATMENT/PREVENTION

137

Parent- and Patient-Rated Internalizing Symptoms as Predictors of Treatment Acceptability and Attrition in Adolescent Eating Disorders Sarah Dolan1, Sarah Eckhardt2, Daniel Le Grange1, Carolyn Martell2, Erin Reilly1, Sasha Gorrell1. 1University of California, San Francisco, San Francisco, CA, USA.2Children's Minnesota, St. Paul, MN, USA

COMORBIDITY

84

Adapting eating disorder focused family therapy for Autistic children and young people with anorexia: A delphi study to support development of evidence informed, co-produced clinical guidelines. Fiona Duffy1, 2, 3, Saffron Baldoza3, Julian Baudinet4, 5, Ian Birch3, Emma Broadhurst3, Gina Dimitropoulos6, 7, Clare Ellison8, Karri Gillespie Smith1, 3, Rachel Loomes4, 9, Umairah Malik10, Ellen Maloney1, 3, Lorraine Small2, Kate Tchanturia3, 5, 11, Iona Thomas-Yates1, Freya Nash1, Amelia Austin1, 3, 12. 1Department of Clinical Psychology, University of Edinburgh, Edinburgh, United Kingdom.2NHS Lothian CAMHS, Edinburgh, United Kingdom.3Eating Disorder and Autism Collaborative, Edinburgh, United Kingdom.4Maudsley Centre for Child and Adolescent Eating Disorders, South London and Maudsley NHS Trust, London, United Kingdom.5Department of Psychology Medicine, Institute of Psychiatry, Psychology and Neuroscience, Kings College London, London, United Kingdom.6Faculty of Social Work, University of Calgary, Calgary, AB, Canada.7Mathison Centre of Mental Health Research and Education, University of Calgary, Calgary, AB, Canada.8Cumbria. Northumbria, Tynne and Wear NHS Foundation Trust, England, United Kingdom.9Department of Clinical, Educational and Health Psychology, Kings College London, London, United Kingdom.10Beat eating disorders, Norwich, United Kingdom.11Department of Psychology, Ilia State Unviersity, Tbilisi, Ghana.12Department of Psychology, Glasgow Caledonia University, Glasgow, United Kingdom

MISCELLANEOUS

139

Expereinces of access and use of GLP-1 in UK adults with eating disorders Fiona Duffy1, 2, , Emy Nimbley1, 3, Abi Pickard1, Michelle Caroll1, Sukrayie Akar1, Lauren Bruha1. 1Department of Clinical Psychology, University of Edinburgh, Edinburgh, United Kingdom.2NHS Lothian CAMHS, Edinburgh, United Kingdom.3 School of Health and Wellbeing University of Glasgow, Glasgow, United Kingdom

TREATMENT/PREVENTION

201

Investigating the mechanisms underlying the effects of semaglutide on binge eating in obesity: a protocol Annelies Falter1, 2, Alexine Mennes2, 3, Lukas Van Oudenhove3, Weltens Nathalie3, Van der Schueren Bart2, Van Goitsenhoven Roman 2, Vrieze Elske1. 1KU Leuven, Dept. of Neurosciences, Research unit Mind-Body Research (MBR), Leuven, Belgium.2KU Leuven, Dept. of Chronic Diseases and Metabolism (CHROMETA), Research unit Clinical and Experimental Endocrinology (CEE), Leuven, Belgium.3KU Leuven, Dept. of Chronic Diseases and Metabolism (CHROMETA), Research unit Translational Research in GastroIntestinal Disorders (TARGID), Leuven, Belgium

BIOLOGICAL/RISK FACTORS

162

Rewiring Reward Circuits in BingeEating Disorder with Combined MDMA and GLP1 Agonist Therapy Vlera Fonda1, 2, 3, Andrew Pospisilik4, Katharina Timper1, 2, 5, 6, Tim Gruber1, 2, 3. 1Institute for Translational Metabolism Research, Helmholtz Munich, Neuherberg, Germany.2Institute for Clinical Nutritional Medicine, Technical University of Munich, Munich, Germany.3German Center for Diabetes Research, Neuherberg, Germany.4Van Andel Institute, Grand Rapids, MI, USA.5Else KrApner-Fresenius-Center for Nutritional Medicine, Technical University of Munich, Friesing, Germany.6Department Biomedicine Basel, University Hospital of Basel and University of Basel, Basel, Switzerland

TREATMENT/PREVENTION

257

Ketogenic Diet Therapy in Bulimia Nervosa – A Case Report Guido K.W. Frank, Emma Longmire, Megan E. Shott. University of California San Diego, San Diego, CA, USA

EPIDEMIOLOGY

176

The overlap between self-reported disordered eating in a UK longitudinal cohort and eating disorder diagnoses in electronic health records Benjamin Geers1, Tamsin Newlove-Delgado1, Ilaria Costantini2, Francesca Solmi2, Helen Bould3, 4. 1Children and Young People's Mental Health Research Collaboration (ChYMe), Department of Public Health and Sports Sciences, University of Exeter Medical School, Exeter, United Kingdom.2Division of Psychiatry, University College London, London, United Kingdom.3NIHR Bristol Biomedical Research Centre, University Hospitals Bristol and Weston NHS Foundation Trust and University of Bristol, Bristol, United Kingdom.4Gloucestershire Health and Care NHS Foundation Trust, Gloucestershire, United Kingdom

TREATMENT/PREVENTION

259

Should eating disorder treatments be personalized? Estimating heterogeneity of treatment effects in a variance-ratio meta-analysis of randomized controlled trials Yaroslava Gelbert1, Philipp Herzog2, Tim Kaiser3, Marco Solmi4, Alessio Maria Monteleone5, David R. Kolar1. 1Department of Psychology, University of Regensburg, Regensburg, Germany.2Department of Psychology, RPTU University Kaiserslautern-Landau, Landau, Germany.3Department for Methods and Evaluation/Quality Assurance, Institute for Educational Sciences and Psychology, Freie UniversitAct Berlin, Berlin, Germany.4Department of Psychiatry, University of Ottawa, Ottawa, ON, Canada.5Department of Psychiatry, University of Campania a, Naples, Italy

117

Toward Ecological Validity in Virtual Reality Food Cue Exposure: Cultural Adaptation and Evaluation in a Brazilian Context Walter GonAsalves1, Carla Mourilhe1, Carlos de Moraes1, Rafael Garcia2, Lucio Lage2, AntAanio Nardi2, Cristin Runfola3, Debra Safer3, Phillipa Hay4, 5, Luca Bernardelli6, Giuseppe Riva7, JosAc Carlos Appolinario1, 2. 1Obesity and Eating Disorders Group, Institute of Psychiatry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.2Virtual Reality Laboratory, Institute of Psychiatry, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.3Department of Psychiatry a Behavioral Sciences, Stanford University, School of Medicine, Stanford, CA, USA.4Translational Health Research Institute, School of Medicine, Western Sydney University, New South Wales, Australia.5Mental Health Services, South Western Sydney Local Health District, Camden and Campbelltown Hospital, Campbelltown, Australia.6FacoltAn di Psicologia, UniversitAn Cattolica del Sacro Cuore, Milano, Italy.7Humane Technology Lab, UniversitAn Cattolica del Sacro Cuore, Milano, Italy

16

Blurring the Boundaries: An Investigation of Eating Disorder Recovery Content on TikTok Scott Griffiths1, Isabel Martyn1, Harish Kannan1, Ben Stone1, 2, Emma Austen1, Edoardo Tescari3, Usha Nattala3, Wesley Grey1, Noa Brittain1, Deborah Mitchison4, Jake Linardon5, Jasmine Fardouly6, Emily Harris1. 1Melbourne School of Psychological Sciences, University of Melbourne, Melbourne, Australia.2Unforgettable.Me, Melbourne, Australia.3Melbourne Data Analytics Platform, University of Melbourne, Melbourne, Australia.4Discipline of Psychology, University of Technology Sydney, Melbourne, Australia.5School of Psychology, Deakin University, Melbourne, Australia.6School of Psychology, University of Sydney, Melbourne, Australia

PSYCHOLOGICAL

105

Self-Reported Versus Objectively Logged Social Media Use: Implications for Measurement in Eating Disorder Research Scott Griffiths1, Emma Halliwell1, Harish Kannan1, Ben Stone1, 2, Wesley Grey1, Noa Brittain1, Eden Shaveet3, Emily Harris1. 1Melbourne School of Psychological Sciences, University of Melbourne, Melbourne, Australia.2Unforgettable.Me, Melbourne, Australia.3Bowers College of Computing and Information Science, Cornell University, New York, NY, USA

BIOLOGICAL/RISK FACTORS

127

Midbrain Tet1 dosage defines inter-individual binge-eating susceptibility Tim Gruber1, 2, 3, 4, Robert Chesters5, Luca Fagnocchi1, Xinyang Yu6, Zhen Fu1, Kristin Gallik1, Heiko Backes3, 7, Robert Vaughan1, Melanie Huber3, 8, Katharina Timper2, 3, 4, 9, Sylvane Desrivieres6, Rachel Lippert3, 5, Andrew Pospisilik1. 1Van Andel Institute, Grand Rapids, MI, USA.2Institute for Translational Metabolism Research, Helmholz Munich, Munich, Germany.3German Center for Diabetes Research (DZD), Munich, Germany.4Institute for Clinical Nutritional Medicine, TU Munich University Hospital, Munich, Germany.5German Institute for Nutrition (DIfE), Potsdam, Germany.6King's College London, London, United Kingdom.7Max Planck for Metabolism Research, Cologne, Germany.8Institute for Diabetes and Obesity, Helmholtz Munich, Munich, Germany.9Else Kroener-Fresenius-Center for Nutritional Medicine, TU Munich, Munich, Germany

TREATMENT/PREVENTION

233

The Family-Based telehealth vs. Institutional Anorexia Nervosa Therapy (FIAT) Study: Aims, methodology, challenges and current status Verena K Haas1, Stefan Ehrlich2, Ulrich Voderholzer3, Viktor NAphles1, Daniel Le Grange4, Christoph U. Correll1. 1CharitAc-UniversitActsmedizin, Berlin, Germany.2Carl Gustav Carus UniversitActsklinikum, Dresden, Germany.3Department Psychiatry and Psychotherapy, University Hospital Munich, Munich, Germany.4University of California, San Francisco, CA, USA

PSYCHOLOGICAL

12

Crossing the Mud: From the (In)-Secure Island to Life – A Life-Oriented Therapeutic Framework for Long and Severe Eating Disorders with Chronic Suicidality Michal Hason Rozestein. Ma'ale HaCarmel mental health center, Haifa region, Israel

BIOLOGICAL/RISK FACTORS

50

Targeting dorsolateral striatum activity reduces binge-like eating: Pre-clinical evidence for a circuit-based treatment approach Britny A. Hildebrandt, Elizabeth Crummy, Alexandra Vargas-Elvira, Susanne E. Ahmari. University of Pittsburgh School of Medicine, Pittsburgh, PA, USA

ASSESSMENT/CLASSIFICATION

60

The diagnostic accuracy of eating disorder questionnaires in adolescents and adults living with higher weight: an updated systematic review Eve T House1, 2, Caitlin M McMaster3, 4, 5, 6, Natalie B Lister1, 2, Isabelle R Jardine1, Sasha J Lorien1, Anna Lene Seidler7, 8, Hiba Jebeile1, 2. 1Sydney Medical School, Faculty of Medicine and Health, The University of Sydney, Westmead, Australia.2Charles Perkins Centre, The University of Sydney, Camperdown, Australia.3Sydney School of Health Sciences, Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia.4South Western Sydney Local Health District, Liverpool, Australia.5Ingham Institute for Applied Medical Research, Liverpool, Australia.6Eating Disorder and Nutrition Research Group (ENRG), Translational Health Research Institute, Faculty of Medicine, Western Sydney University, Campbelltown, Australia.7Department of Child and Adolescent Psychiatry, University Medical Centre Rostock, Rostock, Germany.8German Centre for Child and Adolescent Health (DZKJ), partner site Greifswald/Rostock, Rostock, Germany

BIOLOGICAL/RISK FACTORS

91

“It [eating disorder] makes you less lonely, but it makes you way more lonely in the big world”: A qualitative exploration of the relationship between loneliness and eating disorders in young people Basak Ince1, Rosie Tatham1, Delia Fuhrmann2, Helen Sharpe3, Ulrike Schmidt1, 4. 1Centre for Research in Eating and Weight Disorders, Institute of Psychiatry, Psychology, and Neuroscience, King's College London, London, United Kingdom.2Department of Psychology, Kinga, London, United Kingdom.3School of Health in Social Science, University of Edinburgh, Edinburgh, United Kingdom.4South London and Maudsley NHS Foundation Trust, London, United Kingdom

TREATMENT/PREVENTION

15

Specialized, Integrative Treatment for Long-standing Eating Disorders: Early Insights and Implications Nuria Jaurrieta1, Rosa Fontana1, 2, Gara Alias1, 2, Karla FernAindez de BetoApo1, 2, Carlos Ruiz-GarcAsa1, Alberto GarcAsa-Ruiz1, Alexandra Ruiz-Pradas1, Blanca Ferrer-Bomsons1, Laia Merida4, Anna Esteve-Gibert1, Nuria Vendrell4, Jose Lechuga4, Santi Bernades4, Carlos Franquelo4, Stephen Touyz5, Fernando Fernandez-Aranda1, 2, 3. 1Long-standing ED Unit, FundaciA³n Hospitalarias Martorell, Barcelona, Spain.2Clinical Psychology Department, Bellvitge University Hospital-IDIBELL and CIBERobn Barcelona, Spain.3Department of Clinical Sciences, School of Medicine and Health Sciences, University of Barcelona, Barcelona, Spain.4Fundacion Hospitalarias Martorell, Barcelona, Spain.5Inside In Inside Out Institute, Sydney, Australia

ASSESSMENT/CLASSIFICATION

209

Individual variability for change in eating disorder symptoms following behavioural weight management interventions conducted with adolescents and adults: Findings from the EDIT Collaboration Hiba Jebeile1, 2, Sol Libesman3, Louise A Baur1, 4, Sarah P Garnett1, Kylie E Hunter3, Isabelle R Jardine1, Jie Kang2, Rabia Khalid1, 2, Sasha J Lorien1, Hannah Melville1, 2, David Nguyen3, Anna Lene Seidler5, 6, Natalie B Lister1, 2, on behalf of the EDIT Collaboration1. 1Sydney Medical School, The University of Sydney, Westmead, Australia.2Charles Perkins Centre, The University of Sydney, Camperdown, Australia.3National Health and Medical Research Council Clinical Trials Centre, Faculty of Medicine and Health, The University of Sydney, Camperdown, Australia.4Weight Management Services, The Childrena, Westmead, Australia.5Department of Child and Adolescent Psychiatry, University Medical Centre Rostock, Rostock, Germany.6German Center for Child and Adolescent Health (DZKJ), partner site Greifswald/Rostock, Rostock, Germany

PSYCHOLOGICAL

37

Attentional Regulation Inefficiencies in Severe and Enduring Anorexia Nervosa: Implications for Strategic Control Louise Karjalainen, Urban NorAcn, Elisabet Wentz. Institute of Neuroscience and Physiology, Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden

TREATMENT/PREVENTION

134

Inpatient stabilization and drop-out in family-based therapy for children and adolescents with anorexia nervosa: 1-year results on frequency and clinical correlates. Philine J. KApln1, Linus Imken1, Piet Adler1, Daniel Le Grange1, 2, Christoph U. Correll1, 3, Verena Haas1. 1UniversitActsmedizin CharitAc Berlin, Berlin, Germany.2University of California (Emeritus), San Francisco, CA, USA.3Donald and Barbara Zucker School of Medicine at Hofstra/Northwell, Hempstead, NY, USA

ASSESSMENT/CLASSIFICATION

93

Identifying binge eating disorder in obesity treatment: Prevalence and screening instruments Malin M. Kleppe1, 2, Sigurd W. Hystad3, Hanna G. SkjAykAcdegAyrd4, 5, A RAc6, 7, Paal Methlie1, 2, Yngvild S. Danielsen8, 9. 1Department of Medicine, Haukeland University Hospital, Bergen, Norway.2Department of Clinical Science, Faculty of Medicine, University of Bergen, Bergen, Norway.3Department of Psychosocial Science, Faculty of Psychology, University of Bergen, Bergen, Norway.4Children and Youth Clinic, Haukeland University Hospital, Bergen, Norway.5Norwegian Resource Center for Eating Disorders, Bergen, Norway.6Regional Department for Eating Disorders, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway.7Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway, Oslo, Norway.8Regional Department of Eating Disorders, Division of Psychiatry, Haukeland University Hospital, Bergen, Norway.9Department of Clinical and Biological Psychology, University of Bergen, Bergen, Norway

MISCELLANEOUS

8

Identification and Management of Binge-Eating Disorder and Bulimia Nervosa in Primary Care Settings: A Qualitative Systematic Review of Healthcare Professionals' and Patients' Perceptions Stella KozmAcr1, 2, Christopher O'Rouke3, Natalia S. Lawrence4, Jane R. Smith1, Samantha B. van Beurden1. 1University of Exeter Medical School, University of Exeter, Exeter, UK, Exeter, United Kingdom.2Nuffield Department of Primary Care Health Sciences, University of Oxford, Oxford, United Kingdom.3Dorset Healthcare NHS University Foundation Trust, Bournemouth, UK, Bournemouth, United Kingdom.4Department of Psychology, University of Exeter, Exeter, UK, Exeter

ASSESSMENT/CLASSIFICATION

103

Long-Term Cognitive Outcomes After Treatment of Anorexia Nervosa: Preliminary Results Kristin Kragh1, 3, Odin Hjemdal3, Katrine K. Fjukstad2, 3, Siri Weider1, 3. 1Eating Disorder Unit, Department of Psychiatry, Levanger Hospital, Health Trust Nord-TrAcndelag, Levanger, Norway.2Local security unit, Department of Psychiatry, Levanger Hospital, Health Trust Nord-TrAcndelag, Levanger, Norway.3Department of Psychology, the Norwegian University of Science and Technology, Trondheim, Norway

EPIDEMIOLOGY

140

Health services utilization of individuals with eating disorders in primary and specialized care in Norway Anne Martina Kraus1, Deborah Lynn Reas2, Hege Marie Gjefsen1, A RAc2, 3, , Katrine Damgaard Skyrud1. 1Division for Health Services, Norwegian Institute of Public Health, Oslo, Norway.2Regional Department for Eating Disorders, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway.3Insitute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway

TREATMENT/PREVENTION

109

Off-label metreleptin treatment in adolescents with anorexia nervosa: a case series Helene Krauss, Andreas Karwautz, Paul Plener, Konstantin Kopp, Stefanie Truttmann, Dunja Mairhofer. Medical University of Vienna, Department of Child and Adolescent Psychiatry, VIenna, Austria

BIOLOGICAL/RISK FACTORS

242

Patterns of Food Insecurity, Self-Conscious Emotions, and Eating Pathology: An Exploratory Latent Profile Analysis Among Multinational College Students Kristina T Kumpf, Kelsey Hagan, Cate Morales. Virginia Commonwealth University, Richmond, VA, USA

TREATMENT/PREVENTION

251

A Community-Based “Balancing Home” as an Alternative to Inpatient Care for Eating Disorders: Two-Year Outcomes from a Novel Residential Service Model in Israel Yael D Lewis1, 2, 3, Adit Zohar Beja2, Daniel Stein3, 4, 5. 1Hadarim Eating Disorder Center, Shalvata Mental Health Center, Hod Hasharon, Israel.2Hashvil Eating Disorder Residential Service , Holon, Israel.3Gray Faculty of Medicine, Tel Aviv University, Tel Aviv, Israel.4Pediatric Psychosomatic Department, Safra Childrena, Tel Hashomer, Israel.5Eating Disorders Unit, Maayanei Hayeshua Medical Center, Bnei Brak, Israel

PSYCHOLOGICAL

191

Inspiration or instigation? Bidirectional links between body-focused content, body image, and disordered eating urges Wenn Lynn Ooi, Julian Simmons, Isabel Krug. The University of Melbourne, Melbourne, Australia

TREATMENT/PREVENTION

99

Heterogenous Response Patterns in Percent Expected Body WeightAmong Adolescents With Avoidant/Restrictive Food Intake Disorder Receiving Family-Based Treatment Qianheng Ma, Brittany E. Matheson, Ainsley Cogburn, HaLi Boyce, James D. Lock. Stanford University, Stanford, CA, USA

COMORBIDITY

29

Time to Notice Neurodiversity in Eating Disorder Services: A Three-Year Real-World Analysis of Autism, ADHD, and AuDHD Lauren Makin1, 2, Karina Allen1, 3, Kate Tchanturia1, 3, 4. 1King's College London, London, United Kingdom.2NIHR Maudsley Biomedical Research Centre, London, United Kingdom.3South London and Maudsley NHS Foundation Trust, London, United Kingdom.4Ilia State University, Tbilisi, United Kingdom

DEVELOPMENTAL

246

A latent profile analysis of within-person nightly sleep profiles in adolescent girls with binge-spectrum eating disorders Stephanie Manasse1, Madeline Navea1, Jannah Moussaoui2, Laura D'Adamo1, 3. 1Center for Healthcare Delivery Science, Nemours Children's Health, Wilmington, DE, USA.2Washington University at St. Louis, St Louis, MO, USA.3Drexel University, Philadelphia, PA, USA

MEDICAL FACTORS

36

What about menopause in SEED? Barbara Mangweth-Matzek1, Karin Mautner1, Hannah Weponer2, Katharina Feil2. 1Psychiatry II, Department of Psychiatry, Psychotherapy, Psychosomatic and Medical Psychology, Innsbruck, Austria.2Gynecological Endocrinology and Reproduction Medicine, Medical University Innsbruck, Innsbruck, Austria

TREATMENT/PREVENTION

181

Defining Early Weight Gain as a Predictor of Inpatient Treatment Outcomes in Eating Disorders Mary K. Martinelli, Colleen C. Schreyer, Angela S. Guarda. Johns Hopkins University, Baltimore, MD, USA

COMORBIDITY

2

Lived Experience Perspectives of Various Self-Damaging Behaviors: A thematic Analysis of the Co-Occurrence of Non-Suicidal Self-Injury and Disordered Eating. Bernou Melisse1, 2, 3, 4, Mirthe Luijsmans1, 5, Janske van Eersel5, 6, Glenn Kiekens1, 7. 1Department of Medical and Clinical Psychology, University of Tilburg, Tilburg, Netherlands.2Co-eur, Utrecht, Netherlands.3Department of Clinical Psychology, Utrecht University, Utrecht, Netherlands.4American Center for Psychiatryand Neurology, Abu Dhabi, United Arab Emirates.5Center for Contextual Psychiatry, Faculty of Biomedical Sciences, KU Leuven, Leuven, Belgium.6Department of Human Resources Studies, Faculty of Social and Behavioural Sciences, Tilburg, Netherlands

TREATMENT/PREVENTION

3

Design. Implement. Sustain: Advancing Program-led Interventions for Eating Disorders Bernou Melisse1, 2, 3, 4, Sanne Marcic1, Annemarie van Elburg1, 3. 1Co-eur, Utrecht, Netherlands.2American Center for Psychiatryand Neurology, Abu Dhabi, United Arab Emirates.3Department of Clinical Psychology, Utrecht University, Utrecht, Netherlands.4Department of Medical and Clinical Psychology, University of Tilburg, Tilburg, Netherlands

MISCELLANEOUS

30

Lived Experience, Carer, and Clinician Perspectives on the Development, Maintenance, and Recovery from Eating Disorders Stephanie Miles1, 2, Kathleen de Boer3, Courtney P. McLean4, Genevieve Pepin5, Kamryn T. Eddy6-7, Shannon Calvert8, Dominic Dwyer1, 2, Caroline Gao1, 2, 10, Erica Neill1, 2, 9, Andrea Phillipou1, 2, 9. 1Orygen, The National Centre of Excellence in Youth Mental Health, Melbourne, Australia.2Centre for Youth Mental Health, The University of Melbourne, Melbourne, Australia.3Department of Psychological Sciences, Swinburne University of Technology, Melbourne, Australia.4School of Psychological Sciences, Monash University, Melbourne, Australia.5School of Health and Social Development, Deakin University, Geelong, Australia.6Eating Disorders Clinical and Research Program, Massachusetts General Hospital, Boston, MA, USA.7Department of Psychiatry, Harvard Medical School, Boston, MA, USA.8National Eating Disorders Collaboration, Melbourne, Australia.9Parkville Youth Mental Health a Wellbeing Service, Melbourne, Australia.10School of Public Health and Preventive Medicine, Monash University, Melbourne, Australia

TREATMENT/PREVENTION

154

Understanding Illness and Recovery in Eating Disorders: A Qualitative Study of Group Psychotherapy Alessio Maria Monteleone, Marco Carfagno, Flavia Martinelli, Andrea Costantini, Valeria Ruzzi, Eugenia Barone. University of Campania L. Vanvitelli, Naples, Italy

101

Comparative Safety and Effectiveness of Mirtazapine vs Cyproheptadine in Adolescents with Avoidant/Restrictive Food Intake Disorder Srutik Nagamalla, Kelsey Delph, Kelsey Hagan. Virginia Commonwealth University, Richmond, VA, USA

ASSESSMENT/CLASSIFICATION

40

Comparative Properties of Two Self-Report Measures of Avoidant/Restrictive Food Intake Disorder: Psychometric and Clinical Utility Rebecca Nicholls-Clow1, Arianna Prudenzi1, Glenn Waller1, 2. 1School of Psychology, University of Sheffield, Sheffield, United Kingdom.2Department of Psychology, University of Warwick, Coventry, United Kingdom

COMORBIDITY

67

Unravelling the Association between Polycystic Ovary Syndrome and Eating Disorders Marie-Christine Opitz, Michelle Carrol, Fiona Duffy, Katie Marwick, Helen Sharpe. University of Edinburgh, Edinburgh, United Kingdom

BIOLOGICAL/RISK FACTORS

61

Neurotransmitter Concentrations in Anorexia Nervosa: Implications for Treatment Andrea Phillipou1, 2, 3, Chao Suo4, Caroline Rae5, Shawna Farquharson6, Susan Rossell7, Larry Abel8, Caroline Gurvich9, David Castle10, Tamara Simpson7. 1Orygen, The National Centre of Excellence in Youth Mental Health, Melbourne, Australia.2Centre for Youth Mental Health, The University of Melbourne, Melbourne, Australia.3Parkville Youth Mental Health a Wellbeing Service, Melbourne, Australia.4QIMR Berghofer, Herston, Australia.5Neuroscience Research Australia, Sydney, Australia.6Sydney Imaging Core Research Facility, The University of Sydney, Sydney, Australia.7Centre for Mental Health a Brain Sciences, Swinburne University of Technology, Melbourne, Australia.8School of Medicine, Deakin University, Geelong, Australia.9HER Centre Australia, Monash University, Melbourne, Australia.10Centre for Mental Health Service Innovation, University of Tasmania, Hobart, Australia

TREATMENT/PREVENTION

252

Application of dynamical systems modeling and ecological quasi-experiments to develop a precision psychiatry digital intervention for transdiagnostic eating disorders Emily K. Presseller1, Falzah Farooq1, Nicholas C. Jacobson1, J. Graham Thomas2, Lisa A. Marsch1. 1Dartmouth College, Hanover, NH, USA.2Brown Alpert School of Medicine, Providence, RI, USA

PSYCHOLOGICAL

141

The relationship between stress and eating-disorder symptoms in anorexia nervosa: a qualitative investigation Robin Quagebeur1, 2, Emma De Schuyteneer1, 2, Elske Vrieze1, 2. 11Mind-Body Research, Biomedical Sciences Group, KU Leuven, Leuven, Belgium.22Leuven Brain Institute, KU Leuven, Leuven, Belgium

TREATMENT/PREVENTION

188

Deep Learning Prediction of Eating Disorder Symptoms from Physiological Signals Christina Ralph-Nearman 1, Mahdi Hammami2, Andrew Karem3, Hichem Frigui2. 1Health a Human Performance, Palm Beach Atlantic, West Palm Beach, FL, USA.2Department of Computer Science a Engineering, University of Louisville, Louisville, KY, USA.3Department of Computer Science, Bellarmine University, Louisville, KY, USA

PSYCHOLOGICAL

218

Social Media and Body Image Among Young Autistic Individuals Rachel F Rodgers1, 2, 3, Isabel Cunha1, Veronica Rubinsztain4, Xinran Wang1, Meryl Alper4. 1APPEAR, Northeastern University, Boston, MA, USA.2Universite Lapeyronie, Montpellier, France.3UnitAc de Recherche Clinique a Innovation, Hopital du Cotentin, Cherbourg, France.4Department of Communication Studies, Northeastern University, Boston, MA, USA

COMORBIDITY

262

Articulating Distinctions in Distribution of Eating Disorder Diagnoses and Disordered Eating Behaviors Among Individuals with Neurodiverse Identities Meg Salvia. Boston University, Boston, MA, USA

TREATMENT/PREVENTION

202

MIND BINGES: The role of feedback in a randomized controlled inhibition training for binge eating Kathrin Schag1, 2, 3, Sebastian Max1, 2, 3, Simone Weller3, 4, Veronika Lossa3, 5, Andreas Fallgatter3, 4, Stephan Zipfel1, 2, 3, Christian Plewnia3, 4, Katrin Giel1, 2, 3. 1University Hospital TA¼bingen, Department of Psychosomatic Medicine and Psychotherapy, TA¼bingen, Germany.2Centre of Excellence for Eating Disorders TA¼bingen (KOMET), TA¼bingen, Germany.3German Center for Mental Health (Deutsches Zentrum fA¼r Psychische Gesundheit, DZPG), partner site TA¼bingen, TA¼bingen, Germany.4University Hospital TA¼bingen, Department of Psychiatry and Psychotherapy, Neurophysiology a Interventional Neuropsychiatry, TA¼bingen, Germany.5Lived experience representative, German Center for Mental Health (Deutsches Zentrum fA¼r Psychische Gesundheit, DZPG), partner site TA¼bingen, TA¼bingen, Germany

MISCELLANEOUS

57

Comparative Effects of BMI and Body Fat Percentage on Disordered Eating Symptoms in Adolescent Boys and Girls Ronan Scott, Kristen M. Culbert, S. Alexandra Burt, Kelly L. Klump. Michigan State University, East Lansing, MI, USA

EPIDEMIOLOGY

160

The Role of Age of Onset on Medication Use in Anorexia Nervosa Birgitte D. Semark1, 2, Loa Clausen3, 4, Esben Agerbo1, Liselotte V. Petersen1, Zeynep Yilmaz1. 1National Centre for Register-based Research, Department of Public Health, Aarhus University, Aarhus, Denmark.2Centre for Integrated Register-based Research, CIRRAU, Aarhus University, Aarhus, Denmark.3Department of Child and Adolescent Psychiatry Aarhus University Hospital, Aarhus, Denmark.4Department of Clinical Medicine, Aarhus University, Aarhus, Denmark

TREATMENT/PREVENTION

14

Evaluating a Novel Eating Disorder Prevention Program Targeting Overvaluation of Weight and Shape Sareena Shah1, Amaya Aquino2, Heather Shaw1, Eric Stice1. 1Stanford University, Palo Alto, CA, USA.2University of California, Santa Cruz, Santa Cruz, CA, USA

22

Inpatient PostMeal Activity and EatingDisorder Behaviors: An Ecological Momentary Assessment (EMA) Study Incorporating a Structured Activity Protocol Kristin Stedal1, Line Wisting1, 2, Joseph Wonderlich3, 4, Anne Louise Wennersberg1, Annette Skarsbakk5, Ida Aarmo5, Selma A1, Ingrid Funderud1. 1 Regional Department of Eating Disorders, Division of Mental Health and Addiction, Oslo University Hospital, Oslo, Norway.2 Department of Psychology, Oslo New University College, Oslo, Norway.3 Department of Psychiatry, University of North Dakota School of Medicine and Health Sciences, Fargo, NC, USA.4 Division for Biobehavioral Research, Sanford Research, Fargo, ND, USA.5 Eating Disorder Unit, Department of Psychiatry, Levanger Hospital, Nord-TrAcndelag Hospital Trust, Levanger, Norway

BIOLOGICAL/RISK FACTORS

112

Characterizing the prodromal phase of anorexia nervosa through laboratory data Manchu U. Thangavelu1, Ole S. Schwartz1, Sara Schwartz1, 2, Janne T. Larsen1, Loa Clausen1, 2, Liselotte V. Petersen1, Zeynep Yilmaz1, 3. 1Aarhus University, Aarhus, Denmark.2Aarhus University Hospital, Aarhus, Denmark.3University of North Carolina, Chapel Hill, NC, USA

EPIDEMIOLOGY

170

Prevalence of Disordered Eating and Eating Disorders in Midlife Men and Women: Findings from a Finnish Twin Study Mark T. Turunen1, Sari S. Aaltonen2, 3, Anna Keski-Rahkonen1, Pyry N. SipilAc1. 1Department of Public Health, University of Helsinki, Helsinki, Finland.2Institute for Molecular Medicine Finland FIMM, University of Helsinki, Helsinki, Finland.3Department of Psychiatry, University of Helsinki, Helsinki, Finland

ASSESSMENT/CLASSIFICATION

244

Differences in Eating Pathology Among Transgender and Gender Diverse Adults Based on Salience of Gender Dysphoria Bek Urban. Virginia Commonwealth University, Richmond, VA, USA

TRAUMA

41

Experiences of patients receiving concurrent anorexia nervosa and post-traumatic stress disorder treatment Ella van Beers1, Lot Sternheim2, Margo de Jonge1. 1Novarum Centre for Eating Disorders, Amstelveen, Netherlands.2Utrecht University, Utrecht, Netherlands

TREATMENT/PREVENTION

155

Protocol for a Non-inferiority Trial Comparing an Online Guided Intervention for Binge Eating Disorder Associated with Morbid Obesity vs. Treatment as Usual Sanne van Luenen, Tessa Meijers, Petra Poelstra, Mignon van Bruggen, Margo de Jonge. Novarum Centre for Eating Disorders and Obesity, Amstelveen, Netherlands

DEVELOPMENTAL

6

Inhibitory Control, Reward Sensitivity and Punishment Sensitivity as Transdiagnostic Risk Factors for Addictive Behaviors in Adolescents Eva Van Malderen1, Jakke Coenye1, Lien Goossens1, Sandra Verbeken1, Eva Kemps2, Laurence Claes3, 4. 1Faculty of Psychology and Educational Sciences, Department of Developmental, Personality and Social Psychology, Ghent University, Belgium, Ghent, Belgium.2Psychology, College of Education, Psychology and Social Work, Flinders University, Adelaide, Australia, Adelaide, Australia.3Faculty of Psychology and Educational Sciences, KU Leuven, Belgium, Leuven, Belgium.4Faculty of Medicine and Health Sciences, University of Antwerp, Belgium, Antwerp, Belgium

PSYCHOLOGICAL

166

Longitudinal Relationships Between Systemic Gender Minority Stressors and Eating Pathology Among Transgender and Gender Diverse Adults Kira G. Venables, Bek Urban. Virginia Commonwealth University, Richmond, VA, USA

TREATMENT/PREVENTION

148

Adapting and implementing the Body Project as universal prevention program for adolescents in Austria: first insights Karin Waldherr1, Friedrich Teutsch1, Eric Stice2. 1FERNFH Distance Learning Univ. of Applied Sciences, Wiener Neustadt, Austria.2Stanford Medicine, Stanford, CA, USA

COMORBIDITY

92

The prevalence of comorbidity of avoidant/restrictive food intake disorder and intellectual disability in children: A systematic review and meta-analysis Elisabet Wentz1, 2, Selman Yildirim3. 1Department of Psychiatry and Neurochemistry, Institute of Neuroscience and Physiology, University of Gothenburg, Gothenburg, Sweden.2Region Vastra Gotaland, Department of Neuropsychiatry, Sahlgrenska University Hospital, Gothenburg, Sweden.3Department of Clinical Science, UmeAy University, UmeAy, Sweden

BIOLOGICAL/RISK FACTORS

23

Getting worse, before getting better? ‘Recovery’ as a risk period for suicide in eating disorders Rachel E. Whyte, Una M. Foye, Tom D. Jewell, Moritz P. Herle. King's College London, London, United Kingdom

TREATMENT/PREVENTION

63

Eating Disorder Treatment and Service Experiences of Gender Diverse and Neurodivergent Adults Grace H. Williams1, Max Keith1, 2, Lived Experience Advisory Group , Marc O. Williams1, Catherine R. G. Jones1, Kate Cooper3, 4, Josie Henley1, Kai S. Thomas1. 1Cardiff University, Cardiff, Wales.2University of Birmingham, Birmingham, United Kingdom.3University College London, London, United Kingdom.4University of Bath, Bath, United Kingdom

PSYCHOLOGICAL

49

Unravelling causal relations in eating disorder symptom networks of people with anorexia nervosa Eva P. Wuttke1, 2, 3, Adrian Meule3, 4, Erich Kummerfeld5, Lisa M. Anderson5, Ulrich Voderholzer1, 2, 6, David R. Kolar3. 1Department of Psychiatry and Psychotherapy, LMU University Hospital, LMU Munich, Munich, Germany.2Schoen Clinic Roseneck, Prien am Chiemsee, Germany.3Department of Psychology, University of Regensburg, Regensburg, Germany.4Department of Medicine, HMU Health and Medical University, DA¼sseldorf, Germany.5Department of Psychiatry and Behavioral Science, University of Minnesota Medical School, Minneapolis, MN, USA.6Department of Psychiatry and Psychotherapy, University Hospital of Freiburg, Freiburg, Germany

TREATMENT/PREVENTION

254

And what about the siblings? – The psychological burden of siblings of young patients with anorexia nervosa (AN) Ingar Zielinski-Gussen1, 2, Lena Wassermann1, Sarah GrA¼neberg3, Brigitte Dahmen1, Beate Herpertz-Dahlmann1. 1Department of Child and Adolescent Psychiatry, Psychotherapy and Psychosomatics, University Hospital RWTH Aachen, Aachen, Germany.2Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, LVR University Hospital Essen, Essen, Germany.3Department of Psychiatry, Psychotherapy and Psychosomatic Medicine of Childhood and Adolescence, University Hospital Leipzig, Leipzig

EPIDEMIOLOGY

231

Building Equity-Informed Analytic Infrastructures for Eating Disorder Surveillance: Development of Freely Available Public Health Agencies Dougie Zubizarreta1, Ariel Beccia2, 3, 4, Jill Kavanaugh2, Haley McGowan5. 1Department of Social and Behavioral Sciences, Harvard T.H. Chan School of Public Health, Boston, MA, USA.2Division of Adolescent and Young Adult Medicine, Boston Children's Hospital, Boston, MA, USA.3Department of Pediatrics, Harvard Medical School, Boston, MA, USA.4Department of Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA.5Vermont Department of Mental Health, Burlington, VT, USA