peer-reviewed articles and pre-prints.



    1. Empirically Defining Treatment Response and Remission in Obsessive-Compulsive Disorder Using the Obsessive-Compulsive Inventory–Revised
      Flygare, Oskar, Wallert, John, Chen, Long-Long, Fernández de la Cruz, Lorena, Lundström, Lina, Mataix-Cols, David, Rück, Christian, and Andersson, Erik
      Behavior Therapy Jan 2023
    2. Cost-Effectiveness of Internet-Delivered Cognitive Behaviour Therapy for Body Dysmorphic Disorder: Results from a Randomised Controlled Trial
      Flygare, Oskar, Andersson, Erik, Glimsdal, Gjermund, Mataix-Cols, David, Pascal, Diana, Rück, Christian, and Enander, Jesper
      Internet Interventions Jan 2023
    3. Effectiveness of Internet-based Cognitive-Behavioural Therapy for Obsessive-Compulsive Disorder (OCD-NET) and Body Dysmorphic Disorder (BDD-NET) in the Swedish Public Health System Using the RE-AIM Implementation Framework
      Lundström, Lina,  Flygare, Oskar, Ivanova, Ekaterina, Mataix-Cols, David, Enander, Jesper, Pascal, Diana, Chen, Long-Long, Andersson, Erik, and Rück, Christian
      Internet Interventions Mar 2023


    1. Implementing Therapist-Guided Internet-Delivered Cognitive Behaviour Therapy for Obsessive–Compulsive Disorder in the UK’s IAPT Programme: A Pilot Trial
      Flygare, Oskar, Lundström, Lina, Andersson, Erik, Mataix-Cols, David, and Rück, Christian
      British Journal of Clinical Psychology Mar 2022
    2. Effect of Internet-Based vs Face-to-Face Cognitive Behavioral Therapy for Adults With Obsessive-Compulsive Disorder: A Randomized Clinical Trial
      Lundström, Lina,  Flygare, Oskar, Andersson, Erik, Enander, Jesper, Bottai, Matteo, Ivanov, Volen Z., Boberg, Julia, Pascal, Diana, Mataix-Cols, David, and Rück, Christian
      JAMA Network Open Mar 2022
    3. Operational Definitions of Treatment Response and Remission in Obsessive-Compulsive Disorder Capture Meaningful Improvements in Everyday Life
      Mataix-Cols, David, Andersson, Erik, Aspvall, Kristina, Boberg, Julia, Crowley, James J., Schipper, Elles, Cruz, Lorena Fernández,  Flygare, Oskar, Ivanova, Ekaterina, Lenhard, Fabian, Lundström, Lina, Rück, Christian, Serlachius, Eva, and Cervin, Matti
      Psychotherapy and Psychosomatics Oct 2022
    4. Effectiveness of Multimodal Treatment for Young People with Body Dysmorphic Disorder in Two Specialist Clinics
      Rautio, Daniel, Gumpert, Martina, Jassi, Amita, Krebs, Georgina,  Flygare, Oskar, Andrén, Per, Monzani, Benedetta, Peile, Lauren, Jansson-Fröjmark, Markus, Lundgren, Tobias, Hillborg, Maria, Silverberg-Mörse, Maria, Clark, Bruce, Fernández de la Cruz, Lorena, and Mataix-Cols, David
      Behavior Therapy Sep 2022
    5. Predicting Remission after Internet-Delivered Psychotherapy in Patients with Depression Using Machine Learning and Multi-Modal Data
      Wallert, John, Boberg, Julia, Kaldo, Viktor, Mataix-Cols, David,  Flygare, Oskar, Crowley, James J., Halvorsen, Matthew, Ben Abdesslem, Fehmi, Boman, Magnus, Andersson, Evelyn, Hentati Isacsson, Nils, Ivanova, Ekaterina, and Rück, Christian
      Translational Psychiatry Sep 2022


    1. Executive Functioning in Body Dysmorphic Disorder and Obsessive–Compulsive Disorder
      Chen, Long Long,  Flygare, Oskar, Wallert, John, Enander, Jesper, Ivanov, Volen Z., Rück, Christian, and Djurfeldt, Diana
      CNS Spectrums Jul 2021
    2. Subjective Mental Health and Need for Care among Psychiatric Outpatients during the COVID-19 Pandemic: Results from an Outreach Initiative in Sweden
      Flygare, Oskar, Ivanov, Volen Z., Säll, Roland, Malaise, Henrik, Ivanova, Ekaterina, Rück, Christian, Jayaram-Lindström, Nitya, and Martinsson, Lina
      Psychiatry Research Oct 2021
    3. Empirically Defining Treatment Response and Remission in Body Dysmorphic Disorder Using a Short Self-Report Instrument
      Flygare, Oskar, Chen, Long-Long, Fernández de la Cruz, Lorena, Enander, Jesper, Mataix-Cols, David, Rück, Christian, and Andersson, Erik
      Behavior Therapy Jul 2021
    4. Validity and Reliability of the Diagnostic Codes for Hypochondriasis and Dysmorphophobia in the Swedish National Patient Register: A Retrospective Chart Review
      Rautio, Daniel, Vilaplana-Pérez, Alba, Gumpert, Martina, Ivanov, Volen Z., Linde, Johanna, Österman, Susanna,  Flygare, Oskar, Isung, Josef, Isomura, Kayoko, Krig, Sonja, Serlachius, Eva, Högström, Jens, Rück, Christian, Mataix-Cols, David, and Cruz, Lorena Fernández
      BMJ Open Dec 2021
    5. Swedish Nationwide Time Series Analysis of Influenza and Suicide Deaths from 1910 to 1978
      Rück, Christian, Mataix-Cols, David, Malki, Kinda, Adler, Mats,  Flygare, Oskar, Runeson, Bo, and Sidorchuk, Anna
      BMJ Open Jul 2021


    1. Predictors of Remission from Body Dysmorphic Disorder after Internet-Delivered Cognitive Behavior Therapy: A Machine Learning Approach
      Flygare, Oskar, Enander, Jesper, Andersson, Erik, Ljótsson, Brjánn, Ivanov, Volen Z., Mataix-Cols, David, and Rück, Christian
      BMC Psychiatry Dec 2020
    2. Adapted Cognitive Behavior Therapy for Obsessive–Compulsive Disorder with Co-Occurring Autism Spectrum Disorder: A Clinical Effectiveness Study
      Flygare, Oskar, Andersson, Erik, Ringberg, Helene, Hellstadius, Anna-Clara, Edbacken, Johan, Enander, Jesper, Dahl, Matti, Aspvall, Kristina, Windh, Indra, Russell, Ailsa, Mataix-Cols, David, and Rück, Christian
      Autism Jan 2020


    1. Long-Term Outcome of Therapist-Guided Internet-Based Cognitive Behavioural Therapy for Body Dysmorphic Disorder (BDD-NET): A Naturalistic 2-Year Follow-up after a Randomised Controlled Trial
      Enander, Jesper, Ljótsson, Brjánn, Anderhell, Lina, Runeborg, Martin,  Flygare, Oskar, Cottman, Oskar, Andersson, Erik, Dahlén, Sofia, Lichtenstein, Linn, Ivanov, Volen Z., Mataix-Cols, David, and Rück, Christian
      BMJ Open Jan 2019
    2. Internet-Based, Therapist-Guided, Cognitive–Behavioural Therapy for Body Dysmorphic Disorder with Global Eligibility for Inclusion: An Uncontrolled Pilot Study
      Gentile, Andrew J, La Lima, Christopher,  Flygare, Oskar, Enander, Jesper, Wilhelm, Sabine, Mataix-Cols, David, and Rück, Christian
      BMJ Open Mar 2019
    3. Sudden Gains in Internet-Based Cognitive Behavior Therapy for Obsessive-Compulsive Disorder
      Hamdeh, Adel Abu, Bjureberg, Johan, Lenhard, Fabian, Hedman-Lagerlöf, Erik,  Flygare, Oskar, Lundström, Lina, Ljótsson, Brjánn, Mataix-Cols, David, Rück, Christian, and Andersson, Erik
      Journal of Obsessive-Compulsive and Related Disorders Apr 2019


    1. Enhancing Group Cognitive-Behavioral Therapy for Hoarding Disorder with between-Session Internet-based Clinician Support: A Feasibility Study
      Ivanov, Volen Z., Enander, Jesper, Mataix-Cols, David, Serlachius, Eva, Månsson, Kristoffer N.T., Andersson, Gerhard,  Flygare, Oskar, Tolin, David, and Rück, Christian
      Journal of Clinical Psychology Feb 2018
    2. Long-Term Social Skills Group Training for Children and Adolescents with Autism Spectrum Disorder: A Randomized Controlled Trial
      Jonsson, Ulf, Olsson, Nora Choque, Coco, Christina, Görling, Anders,  Flygare, Oskar, Råde, Anna, Chen, Qi, Berggren, Steve, Tammimies, Kristiina, and Bölte, Sven
      European Child & Adolescent Psychiatry May 2018
    3. Study Protocol for a Single-Blind, Randomised Controlled, Non-Inferiority Trial of Internet-Based versus Face-to-Face Cognitive Behaviour Therapy for Obsessive–Compulsive Disorder
      Rück, Christian, Lundström, Lina,  Flygare, Oskar, Enander, Jesper, Bottai, Matteo, Mataix-Cols, David, and Andersson, Erik
      BMJ Open Sep 2018


    1. Social Skills Training for Children and Adolescents With Autism Spectrum Disorder: A Randomized Controlled Trial
      Olsson, Nora Choque,  Flygare, Oskar, Coco, Christina, Görling, Anders, Råde, Anna, Chen, Qi, Lindstedt, Katarina, Berggren, Steve, Serlachius, Eva, Jonsson, Ulf, Tammimies, Kristiina, Kjellin, Lars, and Bölte, Sven
      J. Am. Acad. Child Adolesc. Psychiatry May 2017


    1. Other People as Means to a Safe End
      Golkar, Armita, Selbing, Ida,  Flygare, Oskar, Ohman, Arne, and Olsson, Andreas
      Psychol. Sci. Jan 2013