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BMC Psychiatry

ISSN 1471-244X

63 papers in the library · 1,172 citations · publishing 2005-2026

Papers

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The severity of dissociation and dissociative phenomena in non-affective psychosis: a systematic review and meta-analyses

BMC Psychiatry August 19, 2026 Adam O’Neill, Gillian Haddock, Kate Stalker et al.

Abstract Background Non-affective psychosis is associated with elevated risk of suicide, self-harm, and reduced life expectancy. Symptoms of dissociation are common in non-affective psychosis, and dissociative experiences are known to be linked to multiple markers of elevated clinical risk, including sleep disturbance and negative affect. The present review represents the first comprehensive...

The molecular and neurochemical basis of altered intrinsic neural timescales in major depressive disorder: a multimodal imaging-transcriptomic investigation of esketamine and sertraline treatment

BMC Psychiatry August 5, 2026 Xiang Liu, Yuanzhi He, Lifeng Li et al.

Abstract Introduction Major depressive disorder (MDD) is characterized by dysfunction in higher-order cortical regions involved in emotional and cognitive processes; however, its neurobiological basis remains unclear. Pharmacological treatments, including esketamine and sertraline, produce rapid antidepressant effects. We investigated the local intrinsic neural dynamics underlying these...

Substance-induced manic psychosis in which delusions were corroborated by a chatbot - case report.

BMC Psychiatry June 4, 2026 Sachin Shah, Hamilton Morrin

This case describes a substance-induced manic episode with psychotic features in which interaction with an AI (artificial intelligence) chatbot appeared to corroborate and reinforce the patient's delusional thought content and to contradict medical advice. Excerpts from the patient's interactions with the AI chatbot provide novel clinical insight into this phenomenon, which to date has...

Navigating a fragmented lifeworld: a phenomenological study of schizophrenia among China's Z Generation.

BMC Psychiatry June 3, 2026 Ya-Jing Tang, Lei Yang, Wen-Hao Wang et al.

The subjective lived experience of schizophrenia among China's Z Generation (born 1995-2009) remains understudied. This population navigates a unique socio-cultural context, making their personal narratives crucial for developing effective, person-centered mental health interventions. We employed a descriptive phenomenological approach, conducting in-depth interviews with four Chinese...

Repeated intranasal esketamine augmentation in treatment-resistant obsessive-compulsive disorder with comorbid major depressive disorder: a prospective case series.

BMC Psychiatry April 26, 2026 Sergi López-rodríguez, Cinto Segalàs, Eva Real et al.

BACKGROUND: Patients with obsessive–compulsive disorder (OCD) and comorbid major depressive disorder (MDD) represent a severe subgroup with increased treatment resistance, greater functional impairment, and limited therapeutic options. Intranasal esketamine is a rapidly acting treatment for resistant depression, with emerging interest in potential anti-obsessional effects. However, prospective...

Single dose IV ketamine for adolescent suicidal ideation in the emergency department: a pilot randomized trial

BMC Psychiatry April 6, 2026 Michael Schlegelmilch, Amy C. Plint, Nicholas Barrowman et al.

BACKGROUND: Suicidal ideation (SI) is a common reason for emergency department (ED) visits by adolescents. While intravenous (IV) ketamine rapidly reduces SI in adults, its efficacy in adolescents remains unstudied. We assessed the feasibility of a trial of a single dose IV ketamine to reduce adolescent SI in the ED. METHODS: This double-blind, randomized, placebo-controlled pilot trial was...

Informing the redesign of psychiatric seclusion rooms: a mixed-methods pre-evaluation with individuals with lived experience.

BMC Psychiatry January 16, 2026 Leonie Ascone, Candelaria Mahlke, Nour Tawil et al. 2 citations

In acute psychiatric inpatient settings, where perception is altered and emotional vulnerability is heightened, many facilities use coercive seclusion rooms for safety. This practice has been increasingly criticized for its psychological impact. While architectural guidelines emphasize human-centered and biophilic design to support well-being, empirical evidence on how design features in this...

Real-world evaluation of change in depressive symptoms among patients with treatment-resistant depression treated with esketamine

BMC Psychiatry January 4, 2026 Carl D. Marci, Kruti Joshi, Stevan Geoffrey Severtson et al. 2 citations

Abstract Background Treatment-resistant depression (TRD) is often characterized by inadequate response to ≥ 2 oral antidepressant treatments of adequate dose and duration during a major depressive episode (MDE). Esketamine nasal spray (ESK) was approved by the US Food and Drug Administration in 2019 for TRD in conjunction with an oral antidepressant under a Risk Evaluation and Mitigation...

A definitive randomised controlled trial of a group mindfulness-based psychological therapy for people with psychosis: the MIND-P study.

BMC Psychiatry November 26, 2025 Lyn Ellett, Laura Dannahy, Kate Bennett et al.

Schizophrenia is a severe mental illness with a significant disease, economic and social burden. Persecutory delusions (beliefs that one will be harmed or mistreated) are a common symptom of schizophrenia with associated high levels of depression. International clinical guidelines recommend individual cognitive behaviour therapy for schizophrenia, but there are currently no group psychological...

From collective memory to clinical cases: analyzing political delusions in patients with psychotic disorders.

BMC Psychiatry November 3, 2025 Ahmet Selim Başaran, Hande Gazey, Sena Çağlayan et al.

BACKGROUND: Politically charged public life supplies powerful symbols that can be recruited into delusional meaning-making. This study examined how political contexts shape the content and experiential structure of delusions in patients with psychotic disorders in Turkey. METHODS: We conducted a retrospective, archive-based qualitative study of inpatient psychiatric records from a tertiary...

Exploring the mechanistic link between the oxytocinergic system and mindfulness training in adults with heightened stress: study protocol for a double-blind, randomized, placebo-controlled trial (MOX-MIND).

BMC Psychiatry July 1, 2025 E van Weert, H J De Vuyst, Katleen van der Gucht et al.

Oxytocin administration is increasingly considered a novel therapeutic support option for alleviating psychological distress in stress-related neuropsychiatric conditions, including anxiety disorders and depression. However, oxytocin as a stand-alone treatment may fail to consistently target the relevant central autonomic circuitry without a complementary supportive therapeutic context that...

Effects of online mindfulness-based stress reduction training on depression and anxiety symptoms among psychiatric healthcare workers in a randomized controlled trial: the mediating role of emotional suppression.

BMC Psychiatry June 4, 2025 Yuekun Wu, Yue Ban, Guoliang Pan et al. 6 citations

Psychiatric healthcare workers experience prolonged exposure to psychological trauma and negative emotions, which ultimately predisposes them to mental health issues. The effectiveness of online mindfulness-based stress reduction training on depression and anxiety symptoms among psychiatric healthcare workers (HCWs) and the possible mechanisms that benefit these outcomes remain unclear. This...

The chain mediating role of resilience and stress perception between mindfulness and PTSD among college students after campus violence.

BMC Psychiatry May 20, 2025 Qi Sun, Kaiyuan Jing, Xiaoxiao Xu et al.

Despite extensive research on mindfulness, there is a dearth of studies exploring its impact on post-traumatic stress disorder (PTSD) through the intermediaries of psychological resilience and perceived stress. In response to a violent campus event, this article investigates the association between mindfulness levels among college students and the presence of PTSD using a sequential mediation...

Correlations between major depressive disorder, splenic morphology, and immune function.

BMC Psychiatry May 12, 2025 Zouqing Lin, Xiaoyan Xu, Kai Zhang et al. 3 citations

To analyze the symptoms, courses, and severities of depressive disorder, as well as the morphological changes in the spleens and related immune mechanisms, we recruited patients with first-episode or recurrent major depressive disorder (MDD) (patient group) and healthy controls (normal group) matched in age and gender. We measured their plasma MICB (pg/ml), ULBP1 (ng/ml), and splenic volume...

Influence of anxiety sensitivity on the observe facet of the five facet mindfulness questionnaire: differential item functioning in a clinical population.

BMC Psychiatry April 1, 2025 Danielle Moskow Diamond, Joshua Curtiss, Joseph K. Carpenter et al. 4 citations

Many individuals who engage in mindfulness experience decreased anxiety. Yet some individuals, particularly those with panic disorder (PD) or elevated anxiety sensitivity (AS), note heightened anxiety when observing particular sensations. The Five Facet Mindfulness Questionnaire (FFMQ) is one of the most widely utilized mindfulness questionnaires. However, its Observe facet has shown...

Prolonged adverse effects from repeated psilocybin use in an underground psychedelic therapy training program: a case report

BMC Psychiatry February 28, 2025 John Perna, Justin Trop, Roman Palitsky et al. 15 citations

This case highlights the tensions between legal and underground psychedelic use within psychedelic therapy training programs, psychiatry and neo-shamanism, and the use of psychiatric interventions (i.e., ECT) and energy medicine to address prolonged adverse effects from psychedelics. Clinicians should be aware of these potential conflicts between psychiatric conceptualizations of PAEs and...

Promoting Resilience in Youth through Mindfulness mEditation (PRYME): Study protocol for a randomized controlled trial investigating the effects of mindfulness training as add-on to care-as-usual on internalizing problems, mental illness development, and associated brain and cognitive processes in help-seeking youth.

BMC Psychiatry February 14, 2025 Maud Schepers, Paul Lagerweij, Dirk E. M. Geurts et al. 2 citations

Internalizing problems, such as worrying, anxiety and low mood, are increasingly common in youth and may constitute an early stage of mental illness development. There is thus an urgent need for effective measures to address mental health complaints as they develop and to prevent progression into more serious mental illness. Enhanced understanding of early-stage mental illness development,...

Intranasal racemic ketamine maintenance therapy for patients with treatment-resistant depression: a naturalistic feasibility study.

BMC Psychiatry January 7, 2025 Katelyn Halpape, Raelle Pashovitz, Annabelle Wanson et al. 4 citations

Ketamine is a promising therapy for treatment-resistant depression due to its rapid onset, although benefits are often transitory, with patients needing maintenance therapy to prevent relapse. Most data supporting ketamine for treatment-resistant depression refers to the intravenous route of administration, leaving alternative routes lacking in data, especially as maintenance regimens....

Ketamine and chronic treatment-resistant depression: real-world practice and after relapse.

BMC Psychiatry October 28, 2024 Sumaya Jobnah, Youssef Latifeh, Dina Al Kabani et al. 2 citations

Chronic treatment-resistant depression (TRD) poses a major challenge for clinicians. Ketamine has shown a rapid but short-lived antidepressant effect in several studies involving TRD patients with different demographic and clinical profiles. Our study aimed to assess the antidepressant effect of serial infusion sessions of ketamine in patients with chronic TRD and evaluate the severity of...

Unraveling the brain dynamics of Depersonalization-Derealization Disorder: a dynamic functional network connectivity analysis.

BMC Psychiatry October 14, 2024 Sisi Zheng, Francis Xiatian Zhang, Hubert P H Shum et al. 5 citations

Depersonalization-Derealization Disorder (DPD), a prevalent psychiatric disorder, fundamentally disrupts self-consciousness and could significantly impact the quality of life of those affected. While existing research has provided foundational insights for this disorder, the limited exploration of brain dynamics in DPD hinders a deeper understanding of its mechanisms. It restricts the...

Real world clinical outcomes of treatment of cannabis-induced psychosis and prevalence of cannabis-related primary psychosis: a retrospective study

BMC Psychiatry September 27, 2024 Onrumpha Chuenchom, Thanarat Suansanae, Lumsum Lukanapichonchut et al.

Abstract Background Current treatment of cannabis-induced psychosis (CIP) focus on the presenting symptoms of individual patient. Therefore, the objective of this study was to investigate the efficacy of pharmacological treatment for CIP in a retrospective manner. Methods A retrospective chart review study was conducted at the Princess Mother National Institute on Drug Abuse Treatment...

A randomized controlled pilot study of daily intravenous ketamine over three days for treatment-resistant depression.

BMC Psychiatry July 18, 2024 Keerati Pattanaseri, Juthawadee Lortrakul, Kankamol Jaisin et al. 11 citations

Studies have confirmed the rapid antidepressant action of ketamine in depressive episodes. Nevertheless, a standardized procedure for the delivery of ketamine infusion in individuals suffering from treatment-resistant depression, particularly in terms of infusion frequency and total dosage, remains undetermined. In addition, an efficacious ketamine regimen for persistent pain management...