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240 results

Positive Symptoms of Psychosis and International Classification of Diseases 11th Revision (ICD-11) Complex Post-traumatic Stress Disorder: A Network Analysis in a Canadian Sample from Montreal

Journal Article
Levin, Y., Mazza, A., Hyland, P., Karatzias, T., Shevlin, M., McGinty, G., Hoffman, Y., Lis, E., Ben-Ezra, M., & Rahel, B. (online)
Positive Symptoms of Psychosis and International Classification of Diseases 11th Revision (ICD-11) Complex Post-traumatic Stress Disorder: A Network Analysis in a Canadian Sample from Montreal. Canadian Journal of Psychiatry / Revue Canadienene de Psychiatrie, https://doi.org/10.1177/07067437251337645
Objectives: Traumatic experiences constitute a risk factor for developing different psychopathologies, such as post-traumatic stress disorder (PTSD), complex post-traumatic st...

The International Trauma Interview (ITI): development of a semi-structured diagnostic interview and evaluation in a UK sample

Journal Article
Roberts, N. P., Hyland, P., Fox, R., Roberts, A., Lewis, C., Cloitre, M., Brewin, C. R., Karatzias, T., Shevlin, M., Gelezelyte, O., Bondjers, K., Fresno, A., Souch, A., & Bisson, J. I. (2025)
The International Trauma Interview (ITI): development of a semi-structured diagnostic interview and evaluation in a UK sample. European Journal of Psychotraumatology, 16(1), Article 2494361. https://doi.org/10.1080/20008066.2025.2494361
Background: The International Trauma Interview (ITI) is a structured clinician-administered measure developed to assess posttraumatic stress disorder (PTSD) and complex PTSD (...

The structure of Benevolent Childhood Experiences: A latent class analysis and association with mental health outcomes and psychological factors in a large adult UK sample

Journal Article
Zagaria, A., Karatzias, T., Hyland, P., & Shevlin, M. (2025)
The structure of Benevolent Childhood Experiences: A latent class analysis and association with mental health outcomes and psychological factors in a large adult UK sample. Adversity and Resilience Science, 6(2), 123-137. https://doi.org/10.1007/s42844-025-00167-2
The aims of this study were firstly to explore the relationship between Benevolent Childhood Experiences (BCEs) and demographic variables, secondly to investigate the taxonic ...

Testing the Use of “Clinical Checks” With the International Trauma Questionnaire to Measure PTSD and Complex PTSD

Journal Article
Shevlin, M., Hyland, P., Brewin, C. R., Cloitre, M., Karatzias, T., & Redican, E. (2025)
Testing the Use of “Clinical Checks” With the International Trauma Questionnaire to Measure PTSD and Complex PTSD. Acta Psychiatrica Scandinavica, 152(1), 49-59. https://doi.org/10.1111/acps.13799
Background: The International Trauma Questionnaire (ITQ) is the most widely used measure of ICD-11 Posttraumatic Stress Disorder (PTSD) and Complex PTSD (CPTSD). This self-rep...

Are ‘time’ and ‘culture’ useful and necessary diagnostic requirements for ICD-11 Prolonged Grief Disorder? A Cross-national study

Journal Article
Redican, E., Shevlin, M., Ben-Ezra, M., Karatzias, T., & Hyland, P. (online)
Are ‘time’ and ‘culture’ useful and necessary diagnostic requirements for ICD-11 Prolonged Grief Disorder? A Cross-national study. Death Studies, https://doi.org/10.1080/07481187.2025.2468822
ICD-11 PGD can only be diagnosed if symptoms persist beyond 6 months after bereavement and for longer than would be expected from societal, cultural, or religious norms. This ...

Experiences of Social Disconnection in a Bereaved Community Sample from Ontario, Canada

Journal Article
Nolan, E., Redican, E., Hyland, P., Duffy, M., Karatzias, T., & Shevlin, M. (online)
Experiences of Social Disconnection in a Bereaved Community Sample from Ontario, Canada. Journal of Loss and Trauma, https://doi.org/10.1080/15325024.2025.2465392
Lower perceived social support is a known risk factor for problematic grief reactions, but specific facets such as social disconnection may play a critical role in shaping gri...

Navigating the landscape of trauma treatments: the need for personalized care

Journal Article
Karatzias, T. (2025)
Navigating the landscape of trauma treatments: the need for personalized care. World Psychiatry, 24(1), 83-84. https://doi.org/10.1002/wps.21272
Abstract unavailable.

How do you become resilient? A critical realist explanation of the youth resilience process

Journal Article
Ho, G. W. K., Leung, D. Y. L., Chan, A. C. Y., Bressington, D. T., & Karatzias, T. (2025)
How do you become resilient? A critical realist explanation of the youth resilience process. Adversity and Resilience Science, 6(2), 105-121. https://doi.org/10.1007/s42844-024-00154-z
Adversities serve as risks, but also opportunities to acquire capacities to adjust positively in future stressors. There is now considerable agreement that resilience should b...

Assessing Self-Reported Prolonged Grief Disorder with ‘Clinical Checks’: A Proof of Principle Study

Journal Article
Shevlin, M., Hyland, P., Cloitre, M., Brewin, C., Martsenkovskyi, D., Ben-Ezra, M., Bondjers, K., Karatzias, T., Duffy, M., & Redican, E. (2025)
Assessing Self-Reported Prolonged Grief Disorder with ‘Clinical Checks’: A Proof of Principle Study. Journal of Traumatic Stress, 38(1), 174-180. https://doi.org/10.1002/jts.23100
Psychological assessment is commonly conducted using either self-report measures or clinical interviews; the former are quick and easy to administer, and the later are more ti...

Physical, mental, and behavioral health after adverse and benevolent childhood experiences: a comparison of two adversity conceptualizations

Journal Article
Ho, G. W., Ling Chan, K., Ho Wong, K., Fong Leung, S., & Karatzias, T. (online)
Physical, mental, and behavioral health after adverse and benevolent childhood experiences: a comparison of two adversity conceptualizations. Psychological Trauma: Theory, Research, Practice, and Policy, https://doi.org/10.1037/tra0001732
Objective: Adverse and benevolent childhood experiences (ACEs, BCEs) impact health across the lifespan. No known study has investigated these associations across different hea...
22 results

CPTSD and Psychosis: Psychological Interventions for Complex PTSD And Schizophrenia-Spectrum disOrder (PICASSO)

2022 - 2023
Psychosis is a highly distressing mental health condition, affecting up to 3% of the population. Conceptually, it has much in common with complex post-traumatic stress disorder (CPTSD). Both involve n...
Funder: Chief Scientists Office | Value: £276,279

Development of a Patient Centred Assessment tool for hospital discharge planning among ICU survivors: PCAM-ICU

2021 - 2022
People who survive Intensive Care (ICU) have complex support needs due to pre-existing illness and the new, long‐term impact of critical illness. Hospital discharge planning currently fails to identif...
Funder: Chief Scientists Office | Value: £936

Modular Therapy (MT) vs. Treatment as Usual (TAU) for Complex Posttraumatic Stress Disorder (CPTSD) in Military Personnel: A Pilot Study

2021 - 2026
ICD-11 Complex PTSD is a new condition and there are currently no identified effective treatments. We have recently proposed in the literature a new innovative person centred intervention for CPTSD, w...
Funder: Forces in Mind Trust | Value: £304,494

Accelerating the development of a psychological intervention to support treatment decision-making capacity in psychosis: Feasibility of an Umbrella trial.

2019 - 2023
Clinicians are legally and ethically obliged to respect patients’ autonomy and the decisions patients make about their treatment, unless they lack “capacity” for such decision making. In the last 10 ...
Funder: Chief Scientists Office | Value: £309,226

Eye Movement Desensitisation and Reprocessing (EMDR) for post-traumatic stress disorder (PTSD) post perinatal loss: investigating final details for pilot trial and feasibility study

2019 - 2019
Approximately 3,500 women in the UK experience the trauma of perinatal loss each year. Up to 39% go on to develop perinatal PTSD. There is no effective treatment for these women, but EMDR is effective...
Funder: Chief Scientists Office | Value: £33,319

The role of CHildhood Adversities and their subsequent effect on mental ill-health and Suicidal behaviour (CHASe)

2018 - 2020
Deaths by suicide among young people are common, increasing year by year in 15-19 year olds, have devastating consequences for everyone involved, and are a signficant UK public health problem. People ...
Funder: Chief Scientists Office | Value: £80,064

Posttraumatic Stress Disorder (PTSD) and Complex PTSD in Military Personnel

2018 - 2022
Two ‘sibling disorders’ have been proposed for ICD-11 to be published in 2018; Posttraumatic Stress Disorder (PTSD) and Complex PTSD (CPTSD). Given the potential for ICD formulations to become the pri...
Funder: Forces in Mind Trust | Value: £97,443

Revolutionising Trauma care in Scotland and Beyond

2017 - 2017
PThe impact of psychological trauma on physical and mental health is well known, although current models of care are failing to meet clients’ needs. A new model of care, supported and financed by the ...
Funder: Chief Scientists Office | Value: £29,691

Survive and Thrive Project

2013 - 2019
The project falls within three of the priority areas of this funding including complex mental health for survivors, complex trauma, and the provision of support for survivors in prison. It is envisage...
Funder: Scottish Government | Value: £45,211

Diabetes Education for Adults with Learning Disabilities with Type 2 Diabetes and their Carers (Diabetes UK)

2012 - 2016
The impact of poor diet and lack of exercise can have a fundamental and negative impact on those with a learning disability. Although interventions and preventative measures against heart disease and...
Value: £36,005
17 results

The Relationship between Traumatic Stress, Cultural Values, Quality of Life, and Psychological Well-being among First Responders

2025 - date
Dewi Yuniar | Director of Studies: Prof Thanos Karatzias

Benevolent & Traumatic Experiences in PTSD and C-PTSD

2022 - date
Sarah Guthrie | Director of Studies: Prof Thanos Karatzias | Second Supervisor: Dr Anna Bak-Klimek

Towards the validation of the International Trauma Interview for Post-Traumatic Stress Disorder and Complex Post-Traumatic Stress disorder, and the role of core beliefs in the development and maintenance of CPTSD

2020 - 2024
Zoe Wagland | Director of Studies: Prof Thanos Karatzias | Second Supervisor: Dr Amanda Woodrow

Implicit self-esteem: Conceptualisation, measurement and contribution to understanding how childhood trauma causes paranoia

2018 - 2024
Georgina Davis | Director of Studies: Prof Paul Hutton | Second Supervisor: Prof Thanos Karatzias

Mindfulness-based interventions for people with recent-onset psychosis: A randomized controlled trial in Hong Kong

2016 - date
Annie Yip | Director of Studies: Prof Thanos Karatzias | Second Supervisor: Prof Paul Hutton

Trauma and psychosis: synthesising evidence, network modelling and expanding into an interventionist-causal paradigm to investigate mediating mechanisms

2016 - 2021
Dr Amanda Woodrow | Director of Studies: Prof Paul Hutton | Second Supervisor: Prof Thanos Karatzias

Childhood trauma and suicidal behaviour: Exploring psychological mediators

2015 - 2019
Graeme Grandison | Director of Studies: Prof Thanos Karatzias | Second Supervisor: Adele Dickson

Exploring the lived experiences of suicidality: an interpretative phenomenological analysis of the loved one's perspective

2015 - 2017
Rachel Hanson | Director of Studies: Prof Thanos Karatzias | Second Supervisor: Dr Jennifer Murray

Reducing the risk of Type 2 diabetes in people with intellectual disabilities: A three phase study

2015 - 2018
Dr Andrew Maine | Director of Studies: Dr Maria Truesdale | Second Supervisor: Michael Brown

Shattered expectations: the experience of provider interaction from the perspectives of women with post traumatic stress disorder post childbirth, and midwives. An interpretative phenomenological analysis

2015 - 2019
Dr Jenny Patterson | Director of Studies: Prof Caroline Hollins-Martin | Second Supervisor: Prof Thanos Karatzias

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