STAR Publications

Papers, reviews and sub-studies from the STAR trial

Trauma-focused therapy integrated with cognitive behavioural therapy for psychosis for people with post-traumatic stress disorder and psychosis (the STAR trial): a multicentre, pragmatic, randomised trial in the UK.
Peters E, Swan S, Underwood R et al., (2026). The Lancet Psychiatry. ‍Read more

Multi-site randomised controlled trial of trauma-focused cognitive behaviour therapy for psychosis to reduce post-traumatic stress symptoms in people with co-morbid post-traumatic stress disorder and psychosis, compared to treatment as usual: study protocol for the STAR (Study of Trauma And Recovery) trial.
Peters E, Hardy A, Dudley R et al., (2022). Trials. Read more

Empowering the silenced: the STAR (Study of Trauma And Recovery) therapy guide for delivering integrated Trauma-Focused Cognitive Behaviour Therapy for psychosis (TF-CBTp).
Keen N, Hardy A, Bowe S, et al., (In Press). Psychosis. Coming soon
Qualitative interviews with STAR participants
Longden E, et al., (In Prep) Coming soon

Are trauma-related beliefs associated with psychosis symptoms? A systematic review and meta-analysis.
Frost R, Collier O, & Hardy A. (2024). Psychological Medicine. Read more
Trauma therapies for psychosis: A state-of-the-art review.
Hardy A, Keen N, van den Berg D, et al., (2024). Psychology & Psychotherapy. Read more

Symptom networks of therapy-seeking individuals with comorbid psychosis and PTSD.

Frost R, O’Driscoll C, Peters E, et al., (2026). Psychological Medicine. Read more

Hallucinations across sensory domains in people with post-traumatic stress disorder and psychosis.
Dudley R, White S, Miskin R, et al., (2024) Psychiatry research. Read more
Adapting the Psychotic Symptom Rating Scales (PSYRATS) - Voices subscale to assess hallucinations in other modalities.
Peters E, Tsang WF, Besso L, et al., (Under Review) Psychological Medicine. Coming soon

Complex PTSD symptoms predict positive symptoms of psychosis in the flow of daily life.
Panayi P, Peters E, Bentall R, et al., (2024) Psychological Medicine. Read more
A temporal network analysis of complex post-traumatic stress disorder and psychosis symptoms.
Panayi P, Contreras A, Peters E, et al., (2025) Psychological Medicine. Read more
Post-traumatic stress symptoms make distinct contributions to fluctuations in psychosis symptoms in daily life.
Rickard M, Panayi P, Hardy A, et al., (2026) Schizophrenia Bulletin. Coming Soon
The impact of a Trauma-Focused Cognitive Behaviour Therapy for psychosis on post-traumatic stress symptoms in daily life: ESM outcomes of the STAR Trial
Rickard M, Panayi P, Hardy, A, et al., (2026) Psychotherapy & Psychosomatics. Read more

Investigating the neuroanatomical underpinnings of complex PTSD in people with psychosis.
Panayi P, Varese F, Peters E, et al., (2026) Psychiatry Research: Neuroimaging. Read more
Complex post-traumatic stress disorder moderates functional connectivity in people with psychosis.
Panayi P, Varese F, Peters E, et al., (2026) Psychiatry Research: Neuroimaging. Read more