List of works - Brjánn Ljótsson

A 5-Year follow-up of internet-based cognitive behavior therapy for social anxiety disorder

scientific article published on 15 June 2011

Acceptability, effectiveness, and cost-effectiveness of internet-based exposure treatment for irritable bowel syndrome in a clinical sample: a randomized controlled trial

scientific article

Affect-focused psychodynamic psychotherapy for depression and anxiety through the Internet: a randomized controlled trial

scientific article published on 09 July 2013

An open trial of individualized face-to-face cognitive behavior therapy for psychological distress in parents of children after end of treatment for childhood cancer including a cognitive behavioral conceptualization

scientific article

Approach as a key for success: Reduced avoidance behaviour mediates the effect of exposure therapy for fibromyalgia

scientific article published on 12 September 2019

Association Between Deliberate Self-harm and Violent Criminality

scientific article published on 5 April 2017

Clinical and genetic outcome determinants of Internet- and group-based cognitive behavior therapy for social anxiety disorder

scientific article published on 9 February 2012

Clinical effectiveness and cost-effectiveness of Internet- vs. group-based cognitive behavior therapy for social anxiety disorder: 4-year follow-up of a randomized trial

scientific article

Cognitive behavior therapy versus interpersonal psychotherapy for social anxiety disorder delivered via smartphone and computer: a randomized controlled trial

scientific article

Cognitive behavior therapy via the Internet: a systematic review of applications, clinical efficacy and cost-effectiveness

scientific article published on December 2012

Cognitive behavioral therapy for irritable bowel syndrome: the effects on state and trait anxiety and the autonomic nervous system during induced rectal distensions - An uncontrolled trial

scientific article published on 01 January 2018

Cognitive-behavioural therapy and return-to-work intervention for patients on sick leave due to common mental disorders: a randomised controlled trial

scientific article

Consensus statement on defining and measuring negative effects of Internet interventions

Cost effectiveness of internet-based cognitive behaviour therapy and behavioural stress management for severe health anxiety.

scientific article published on 25 April 2016

Cost-Effectiveness of Therapist-Guided Internet-Based Cognitive Behavioral Therapy for Stress-Related Disorders: Secondary Analysis of a Randomized Controlled Trial

scientific article published on 13 September 2019

Cost-effectiveness and long-term effectiveness of internet-based cognitive behaviour therapy for severe health anxiety

scientific article

Cost-effectiveness and long-term follow-up of three forms of minimal-contact cognitive behaviour therapy for severe health anxiety: Results from a randomised controlled trial

scientific article published on 15 June 2018

Cost-effectiveness of Internet-based cognitive behavior therapy vs. cognitive behavioral group therapy for social anxiety disorder: results from a randomized controlled trial

scientific article published on 29 July 2011

Cost-effectiveness of an internet-based booster program for patients with obsessive–compulsive disorder: Results from a randomized controlled trial

Cost-effectiveness of internet-based cognitive behavior therapy for irritable bowel syndrome: results from a randomized controlled trial

scientific article

Cost-effectiveness of internet-based cognitive behavior therapy for obsessive-compulsive disorder: results from a randomized controlled trial

D-Cycloserine vs Placebo as Adjunct to Cognitive Behavioral Therapy for Obsessive-Compulsive Disorder and Interaction With Antidepressants: A Randomized Clinical Trial

scientific article published on July 2015

Development and Feasibility Testing of Internet-Delivered Acceptance and Commitment Therapy for Severe Health Anxiety: Pilot Study.

scientific article published on 6 April 2018

Development and Validation of a Brief Version of the Difficulties in Emotion Regulation Scale: The DERS-16

scientific article published on 14 September 2015

Discriminant and convergent validity of the GSRS-IBS symptom severity measure for irritable bowel syndrome: A population study

scientific article published on 14 January 2020

Does internet-based cognitive behaviour therapy reduce healthcare costs and resource use in treatment of social anxiety disorder? A cost-minimisation analysis conducted alongside a randomised controlled trial

scientific article published on 11 September 2017

Effectiveness and cost offset analysis of group CBT for hypochondriasis delivered in a psychiatric setting: an open trial

scientific article published in January 2010

Effectiveness of Internet-based cognitive behaviour therapy for depression in routine psychiatric care.

scientific article published on 26 October 2013

Effectiveness of Internet-based cognitive behaviour therapy for panic disorder in routine psychiatric care

scientific article published on 14 February 2013

Effectiveness of Internet-based cognitive-behavior therapy for social anxiety disorder in clinical psychiatry

scientific article

Effects of baseline problematic alcohol and drug use on internet-based cognitive behavioral therapy outcomes for depression, panic disorder and social anxiety disorder

scientific article

Effects of cognitive behavioural therapy and return-to-work intervention for patients on sick leave due to stress-related disorders: Results from a randomized trial

scientific article published on 06 November 2019

Efficacy of a behavioral self-help treatment with or without therapist guidance for co-morbid and primary insomnia--a randomized controlled trial.

scientific article

Emotion regulation group therapy for deliberate self-harm: a multi-site evaluation in routine care using an uncontrolled open trial design

scientific article published on 5 October 2017

Emotion regulation individual therapy for adolescents with nonsuicidal self-injury disorder: a feasibility study

scientific article published on 28 December 2017

Exposure and mindfulness based therapy for irritable bowel syndrome--an open pilot study

scientific article published on 7 January 2010

Exposure-Based Therapy for Symptom Preoccupation in Atrial Fibrillation: An Uncontrolled Pilot Study

scientific article published on 8 June 2017

Exposure-based cognitive-behavioural therapy via the internet and as bibliotherapy for somatic symptom disorder and illness anxiety disorder: randomised controlled trial

scientific article

Guided Internet-Based CBT for Common Mental Disorders

article published in 2013

Guided Internet-delivered cognitive behavioural therapy for chronic pain patients who have residual symptoms after rehabilitation treatment: randomized controlled trial

scientific article published on 9 November 2012

Health anxiety in obsessive compulsive disorder and obsessive compulsive symptoms in severe health anxiety: An investigation of symptom profiles

scientific article published on 25 November 2016

How does exposure therapy work? A comparison between generic and gastrointestinal anxiety-specific mediators in a dismantling study of exposure therapy for irritable bowel syndrome.

scientific article published in March 2018

Internet administration of self-report measures commonly used in research on social anxiety disorder: A psychometric evaluation

article published in 2010

Internet-Based Cognitive Behavioral Therapy for Chronic Stress: A Randomized Controlled Trial

scientific article published on 24 July 2018

Internet-Based Extinction Therapy for Worry: A Randomized Controlled Trial

scientific article published on 25 July 2016

Internet-Delivered Cognitive Behavioral Therapy for Children With Pain-Related Functional Gastrointestinal Disorders: Feasibility Study

scientific article published on 10 August 2017

Internet-based Exposure Therapy for Fibromyalgia: A Randomized Controlled Trial

scientific article

Internet-based cognitive behavior therapy for obsessive compulsive disorder: a pilot study

scientific article

Internet-based cognitive behavior therapy vs. cognitive behavioral group therapy for social anxiety disorder: a randomized controlled non-inferiority trial

scientific article

Internet-based cognitive behaviour therapy for obsessive-compulsive disorder: a randomized controlled trial

scientific article

Internet-based cognitive–behavioural therapy for severe health anxiety: randomised controlled trial

article

Internet-based stress management for distressed managers: results from a randomised controlled trial.

scientific article published on 30 August 2017

Internet-delivered CBT for children with specific phobia: a pilot study

scientific article published in January 2013

Internet-delivered acceptance and values-based exposure treatment for fibromyalgia: a pilot study.

scientific article published on 12 November 2013

Internet-delivered cognitive behavior therapy for adolescents with obsessive-compulsive disorder: an open trial

scientific article

Internet-delivered exposure and mindfulness based therapy for irritable bowel syndrome – A randomized controlled trial

scientific article published on 16 March 2010

Internet-delivered exposure-based cognitive–behavioural therapy and behavioural stress management for severe health anxiety: randomised controlled trial

article

Internet-delivered exposure-based treatment vs. stress management for irritable bowel syndrome: a randomized trial

scientific article published on 3 May 2011

Internet-delivered treatment to promote health ⬇️

scientific article published on March 1, 2011

Internet-versus group-administered cognitive behaviour therapy for panic disorder in a psychiatric setting: a randomised trial

scientific article

Long-term effects of hypnotherapy in patients with refractory irritable bowel syndrome

scientific article published on 20 February 2012

Long-term efficacy of Internet-based cognitive behavior therapy for obsessive–compulsive disorder with or without booster: a randomized controlled trial

Long-term follow-up of internet-delivered exposure and mindfulness based treatment for irritable bowel syndrome.

scientific article

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

scientific article published on 15 January 2019

Long-term outcomes of internet-delivered cognitive behaviour therapy for paediatric anxiety disorders: towards a stepped care model of health care delivery

scientific article published on 22 September 2020

Mechanisms of change in an exposure-based treatment for irritable bowel syndrome

scientific article published on 10 June 2013

Mediators in internet-based cognitive behavior therapy for severe health anxiety

scientific article

Mediators in psychological treatment of social anxiety disorder: individual cognitive therapy compared to cognitive behavioral group therapy.

scientific article published on 24 July 2013

Mediators of treatment effect in minimal-contact cognitive behaviour therapy for severe health anxiety: A theory-driven analysis based on a randomised controlled trial

scientific article published on 11 December 2019

Optimal cut-off points on the health anxiety inventory, illness attitude scales and whiteley index to identify severe health anxiety

scientific article

Patient satisfaction after gut-directed hypnotherapy in irritable bowel syndrome

scientific article published on 11 October 2012

Personality change following internet-based cognitive behavior therapy for severe health anxiety

scientific article

Practical and Emotional Problems Reported by Users of a Self-guided Digital Problem-solving Intervention During the COVID-19 Pandemic: Content Analysis

scientific article published on 13 September 2021

Prediction of symptomatic improvement after exposure-based treatment for irritable bowel syndrome.

scientific article

Predictors and moderators of Internet-based cognitive behavior therapy for obsessive–compulsive disorder: Results from a randomized trial

Predictors and moderators of internet- and group-based cognitive behaviour therapy for panic disorder

scientific article

Predictors of Symptomatic Change and Adherence in Internet-Based Cognitive Behaviour Therapy for Social Anxiety Disorder in Routine Psychiatric Care

scientific article

Predictors of improvement in an open-trial multisite evaluation of emotion regulation group therapy

scientific article published on 19 September 2018

Predictors of outcome in Internet-based cognitive behavior therapy for severe health anxiety

scientific article published on 11 August 2013

Predictors of outcome in guided self-help cognitive behavioural therapy for common mental disorders in primary care

scientific article published on 22 October 2019

Predictors of remission from body dysmorphic disorder after internet-delivered cognitive behavior therapy: a machine learning approach

scientific article published on 19 May 2020

Prevalence and heritability of body dysmorphic symptoms in adolescents and young adults: a population-based nationwide twin study

scientific article published on 28 February 2018

Preventing stress-related ill health among newly registered nurses by supporting engagement in proactive behaviors: development and feasibility testing of a behavior change intervention

scientific article published on 8 January 2018

Provoking symptoms to relieve symptoms: a randomized controlled dismantling study of exposure therapy in irritable bowel syndrome

scientific article published on 10 February 2014

Psychometric properties of Internet-administered measures of health anxiety: an investigation of the Health Anxiety Inventory, the Illness Attitude Scales, and the Whiteley Index

scientific article published on 7 February 2015

Stepped care in primary care - guided self-help and face-to-face cognitive behavioural therapy for common mental disorders: a randomized controlled trial.

scientific article published on 2 November 2017

Sudden gains in internet-based cognitive behaviour therapy for severe health anxiety

scientific article published on 11 January 2014

Telephone versus internet administration of self-report measures of social anxiety, depressive symptoms, and insomnia: psychometric evaluation of a method to reduce the impact of missing data.

scientific article

Testing the Mediating Effects of Obsessive Beliefs in Internet-Based Cognitive Behaviour Therapy for Obsessive-Compulsive Disorder: Results from a Randomized Controlled Trial

scientific article published on 23 November 2014

The 12-item Self-Report World Health Organization Disability Assessment Schedule (WHODAS) 2.0 Administered Via the Internet to Individuals With Anxiety and Stress Disorders: A Psychometric Investigation Based on Data From Two Clinical Trials

scientific article published on 8 December 2017

The effect of adding Coping Power Program-Sweden to Parent Management Training-effects and moderators in a randomized controlled trial

scientific article published on 5 February 2018

The health preoccupation diagnostic interview: inter-rater reliability of a structured interview for diagnostic assessment of DSM-5 somatic symptom disorder and illness anxiety disorder

scientific article published on 20 April 2016

The impact of exposure-based cognitive behavior therapy for severe health anxiety on self-rated health: Results from a randomized trial.

scientific article published on 28 September 2017

The mediating effect of mindful non-reactivity in exposure-based cognitive behavior therapy for severe health anxiety

scientific article published on 2 May 2017

The role of avoidance behavior in the treatment of adolescents with irritable bowel syndrome: A mediation analysis.

scientific article published on 28 March 2018

The specific effect of systematic exposure in irritable bowel syndrome: complier average causal effect analysis using growth mixture modeling

scientific article published on 3 May 2017

Therapist guided internet based cognitive behavioural therapy for body dysmorphic disorder: single blind randomised controlled trial

scientific article published on 2 February 2016

Therapist-guided internet-delivered cognitive-behavioural therapy supplemented with group exposure sessions for adolescents with social anxiety disorder: a feasibility trial

scientific article published on 14 December 2017

Therapist-guided, Internet-based cognitive-behavioural therapy for body dysmorphic disorder (BDD-NET): a feasibility study

scientific article

Transdiagnostic, affect-focused, psychodynamic, guided self-help for depression and anxiety through the internet: study protocol for a randomised controlled trial

scientific article

Two randomized controlled trials of the efficacy of acceptance and commitment therapy-based educational course for body shape dissatisfaction

scientific article published on 26 September 2020

Using early change to predict outcome in cognitive behaviour therapy: exploring timeframe, calculation method, and differences of disorder-specific versus general measures.

scientific article

What are the mechanisms of psychological treatments for irritable bowel syndrome?

scientific article published on 09 January 2019

[Computerized therapy for anxiety disorders should also be considered for children and adolescents. Can give better access to evidence-based treatment]

scientific article published on 01 January 2013

List of works by Brjánn Ljótsson

A 5-Year follow-up of internet-based cognitive behavior therapy for social anxiety disorder

Acceptability, effectiveness, and cost-effectiveness of internet-based exposure treatment for irritable bowel syndrome in a clinical sample: a randomized controlled trial

Affect-focused psychodynamic psychotherapy for depression and anxiety through the Internet: a randomized controlled trial

An open trial of individualized face-to-face cognitive behavior therapy for psychological distress in parents of children after end of treatment for childhood cancer including a cognitive behavioral conceptualization

Approach as a key for success: Reduced avoidance behaviour mediates the effect of exposure therapy for fibromyalgia

Association Between Deliberate Self-harm and Violent Criminality

Clinical and genetic outcome determinants of Internet- and group-based cognitive behavior therapy for social anxiety disorder

Clinical effectiveness and cost-effectiveness of Internet- vs. group-based cognitive behavior therapy for social anxiety disorder: 4-year follow-up of a randomized trial

Cognitive behavior therapy versus interpersonal psychotherapy for social anxiety disorder delivered via smartphone and computer: a randomized controlled trial

Cognitive behavior therapy via the Internet: a systematic review of applications, clinical efficacy and cost-effectiveness

Cognitive behavioral therapy for irritable bowel syndrome: the effects on state and trait anxiety and the autonomic nervous system during induced rectal distensions - An uncontrolled trial

Cognitive-behavioural therapy and return-to-work intervention for patients on sick leave due to common mental disorders: a randomised controlled trial

Consensus statement on defining and measuring negative effects of Internet interventions

Cost effectiveness of internet-based cognitive behaviour therapy and behavioural stress management for severe health anxiety.

Cost-Effectiveness of Therapist-Guided Internet-Based Cognitive Behavioral Therapy for Stress-Related Disorders: Secondary Analysis of a Randomized Controlled Trial

Cost-effectiveness and long-term effectiveness of internet-based cognitive behaviour therapy for severe health anxiety

Cost-effectiveness and long-term follow-up of three forms of minimal-contact cognitive behaviour therapy for severe health anxiety: Results from a randomised controlled trial

Cost-effectiveness of Internet-based cognitive behavior therapy vs. cognitive behavioral group therapy for social anxiety disorder: results from a randomized controlled trial

Cost-effectiveness of an internet-based booster program for patients with obsessive–compulsive disorder: Results from a randomized controlled trial

Cost-effectiveness of internet-based cognitive behavior therapy for irritable bowel syndrome: results from a randomized controlled trial

Cost-effectiveness of internet-based cognitive behavior therapy for obsessive-compulsive disorder: results from a randomized controlled trial

D-Cycloserine vs Placebo as Adjunct to Cognitive Behavioral Therapy for Obsessive-Compulsive Disorder and Interaction With Antidepressants: A Randomized Clinical Trial

Development and Feasibility Testing of Internet-Delivered Acceptance and Commitment Therapy for Severe Health Anxiety: Pilot Study.

Development and Validation of a Brief Version of the Difficulties in Emotion Regulation Scale: The DERS-16

Discriminant and convergent validity of the GSRS-IBS symptom severity measure for irritable bowel syndrome: A population study

Does internet-based cognitive behaviour therapy reduce healthcare costs and resource use in treatment of social anxiety disorder? A cost-minimisation analysis conducted alongside a randomised controlled trial

Effectiveness and cost offset analysis of group CBT for hypochondriasis delivered in a psychiatric setting: an open trial

Effectiveness of Internet-based cognitive behaviour therapy for depression in routine psychiatric care.

Effectiveness of Internet-based cognitive behaviour therapy for panic disorder in routine psychiatric care

Effectiveness of Internet-based cognitive-behavior therapy for social anxiety disorder in clinical psychiatry

Effects of baseline problematic alcohol and drug use on internet-based cognitive behavioral therapy outcomes for depression, panic disorder and social anxiety disorder

Effects of cognitive behavioural therapy and return-to-work intervention for patients on sick leave due to stress-related disorders: Results from a randomized trial

Efficacy of a behavioral self-help treatment with or without therapist guidance for co-morbid and primary insomnia--a randomized controlled trial.

Emotion regulation group therapy for deliberate self-harm: a multi-site evaluation in routine care using an uncontrolled open trial design

Emotion regulation individual therapy for adolescents with nonsuicidal self-injury disorder: a feasibility study

Exposure and mindfulness based therapy for irritable bowel syndrome--an open pilot study

Exposure-Based Therapy for Symptom Preoccupation in Atrial Fibrillation: An Uncontrolled Pilot Study

Exposure-based cognitive-behavioural therapy via the internet and as bibliotherapy for somatic symptom disorder and illness anxiety disorder: randomised controlled trial

Guided Internet-Based CBT for Common Mental Disorders

Guided Internet-delivered cognitive behavioural therapy for chronic pain patients who have residual symptoms after rehabilitation treatment: randomized controlled trial

Health anxiety in obsessive compulsive disorder and obsessive compulsive symptoms in severe health anxiety: An investigation of symptom profiles

How does exposure therapy work? A comparison between generic and gastrointestinal anxiety-specific mediators in a dismantling study of exposure therapy for irritable bowel syndrome.

Internet administration of self-report measures commonly used in research on social anxiety disorder: A psychometric evaluation

Internet-Based Cognitive Behavioral Therapy for Chronic Stress: A Randomized Controlled Trial

Internet-Based Extinction Therapy for Worry: A Randomized Controlled Trial

Internet-Delivered Cognitive Behavioral Therapy for Children With Pain-Related Functional Gastrointestinal Disorders: Feasibility Study

Internet-based Exposure Therapy for Fibromyalgia: A Randomized Controlled Trial

Internet-based cognitive behavior therapy for obsessive compulsive disorder: a pilot study

Internet-based cognitive behavior therapy vs. cognitive behavioral group therapy for social anxiety disorder: a randomized controlled non-inferiority trial

Internet-based cognitive behaviour therapy for obsessive-compulsive disorder: a randomized controlled trial

Internet-based cognitive–behavioural therapy for severe health anxiety: randomised controlled trial

Internet-based stress management for distressed managers: results from a randomised controlled trial.

Internet-delivered CBT for children with specific phobia: a pilot study

Internet-delivered acceptance and values-based exposure treatment for fibromyalgia: a pilot study.

Internet-delivered cognitive behavior therapy for adolescents with obsessive-compulsive disorder: an open trial

Internet-delivered exposure and mindfulness based therapy for irritable bowel syndrome – A randomized controlled trial

Internet-delivered exposure-based cognitive–behavioural therapy and behavioural stress management for severe health anxiety: randomised controlled trial

Internet-delivered exposure-based treatment vs. stress management for irritable bowel syndrome: a randomized trial

Internet-delivered treatment to promote health ⬇️

Internet-versus group-administered cognitive behaviour therapy for panic disorder in a psychiatric setting: a randomised trial

Long-term effects of hypnotherapy in patients with refractory irritable bowel syndrome

Long-term efficacy of Internet-based cognitive behavior therapy for obsessive–compulsive disorder with or without booster: a randomized controlled trial

Long-term follow-up of internet-delivered exposure and mindfulness based treatment for irritable bowel syndrome.

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

Long-term outcomes of internet-delivered cognitive behaviour therapy for paediatric anxiety disorders: towards a stepped care model of health care delivery

Mechanisms of change in an exposure-based treatment for irritable bowel syndrome

Mediators in internet-based cognitive behavior therapy for severe health anxiety

Mediators in psychological treatment of social anxiety disorder: individual cognitive therapy compared to cognitive behavioral group therapy.

Mediators of treatment effect in minimal-contact cognitive behaviour therapy for severe health anxiety: A theory-driven analysis based on a randomised controlled trial

Optimal cut-off points on the health anxiety inventory, illness attitude scales and whiteley index to identify severe health anxiety

Patient satisfaction after gut-directed hypnotherapy in irritable bowel syndrome

Personality change following internet-based cognitive behavior therapy for severe health anxiety

Practical and Emotional Problems Reported by Users of a Self-guided Digital Problem-solving Intervention During the COVID-19 Pandemic: Content Analysis

Prediction of symptomatic improvement after exposure-based treatment for irritable bowel syndrome.

Predictors and moderators of Internet-based cognitive behavior therapy for obsessive–compulsive disorder: Results from a randomized trial

Predictors and moderators of internet- and group-based cognitive behaviour therapy for panic disorder

Predictors of Symptomatic Change and Adherence in Internet-Based Cognitive Behaviour Therapy for Social Anxiety Disorder in Routine Psychiatric Care

Predictors of improvement in an open-trial multisite evaluation of emotion regulation group therapy

Predictors of outcome in Internet-based cognitive behavior therapy for severe health anxiety