BackgroundHigh-quality estimates of the epidemiology of the autism spectrum and the health needs of autistic people are necessary for service planners and resource allocators. Here we present the global prevalence and health burden of autism spectrum disorder from the Global Burden of Diseases, Injuries, and Risk Factors Study (GBD) 2021 following improvements to the epidemiological data and burden

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BackgroundThe comparative benefits and harms of available interventions for ADHD in adults remain unclear. We aimed to address these important knowledge gaps. MethodsIn this systematic review and component network meta-analysis (NMA), we searched multiple databases for published and unpublished randomised controlled trials (RCTs) investigating pharmacological and non-pharmacological interventions for

Background Contemporary data relating to antipsychotic prescribing in UK primary care for patients diagnosed with severe mental illness (SMI) are lacking.Aims To describe contemporary patterns of antipsychotic prescribing in UK primary care for patients diagnosed with SMI.Method Cohort study of patients with an SMI diagnosis (i.e. schizophrenia, bipolar disorder, other non-organic psychoses) first

ImportanceThe brain enters distinct activation states to support differential cognitive and emotional processes, but little is known about how brain activation states differ in youths with clinical anxiety.ObjectiveTo characterize brain activation states during socioemotional processing (movie stimuli) and assess associations between state characteristics and movie features and anxiety symptoms.Design

ImportanceNew pharmacotherapy options are needed for posttraumatic stress disorder (PTSD).ObjectiveTo investigate the efficacy, safety, and tolerability of brexpiprazole and sertraline combination treatment (brexpiprazole + sertraline) compared with sertraline + placebo for PTSD.Design, Setting, and ParticipantsThis was a parallel-design, double-blind, randomized clinical trial conducted from October

Background Studies in cognitively normal individuals on associations between psychiatric symptomatology and incident dementia have not reliably differentiated psychiatric syndromes from neuropsychiatric symptoms (NPS) that represent neurodegeneration. Conventional modelling often overlooks symptom natural history. Mild behavioural impairment (MBI) is a syndrome that leverages later-life emergent and

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Stendhal syndrome represents a compelling psychosomatic response, characterised by intense emotional and physiological reactions to viewing art, that intersects the fields of psychiatry, neurology and aesthetics. Despite lacking formal diagnostic recognition, a confluence of historical anecdotes and contemporary research underscores its validity as a unique neuropsychiatric phenomenon. This review

Background Anorexia nervosa is a psychiatric disorder characterised by undernutrition, significantly low body weight and large, although possibly transient, reductions in brain structure. Advanced brain ageing tracks accelerated age-related changes in brain morphology that have been linked to psychopathology and adverse clinical outcomes.Aim The aim of the current case–control study was to characterise

Regarding the article, ‘Efficacy and safety of a 4-week course of repeated subcutaneous ketamine injections for treatment-resistant depression (KADS study): randomised double-blind active-controlled trial’, we commend Loo et al1 for undertaking the Ketamine for Adult Depression Study (KADS). In the interest of ensuring that accurate and balanced information is presented to healthcare professionals

Background The prenatal and early-life periods pose a crucial neurodevelopmental window whereby disruptions to the intestinal microbiota and the developing brain may have adverse impacts. As antibiotics affect the human intestinal microbiome, it follows that early-life antibiotic exposure may be associated with later-life psychiatric or neurocognitive outcomes.Aims To explore the association between

Background Links between personality disorders and antisocial outcomes has not examined individual personality disorders, and the contribution of comorbidities remain uncertain. Previous systematic reviews are dated.Aims To synthesise evidence from observational studies on the risk of antisocial outcomes and recidivism associated with personality disorders.Method We searched six bibliographic databases

Importance Neurofeedback has been proposed for the treatment of attention-deficit/hyperactivity disorder (ADHD) but the efficacy of this intervention remains unclear. Objective To conduct a meta-analysis of randomized clinical trials (RCTs) using probably blinded (ie, rated by individuals probably or certainly unaware of treatment allocation) or neuropsychological outcomes to test the efficacy of neurofeedback

ImportanceLarge-scale genome-wide association studies (GWAS) should ideally inform the development of pharmacological treatments, but whether GWAS-identified mechanisms of disease liability correspond to the pathophysiological processes targeted by current pharmacological treatments is unclear.ObjectiveTo investigate whether functional information from a range of open bioinformatics datasets can elucidate

OBJECTIVE Binge-eating disorder (BED) is a prevalent, costly public health problem associated with serious functional impairments and heightened rates of psychiatric and medical comorbidities. Few evidence-based treatments are currently available for BED. We tested the effectiveness of cognitive-behavioral therapy (CBT), lisdexamfetamine (LDX), and combined CBT+LDX, for BED comorbid with obesity. METHODS

OBJECTIVE The aim of this study was to compare the safety and efficacy of the leading smoking cessation medications among individuals with current versus past major depressive disorder (MDD). METHODS This was a secondary analysis of a randomized, double-blind trial over 12 weeks with varenicline or bupropion, followed by a 12-week assessment, in participants ages 18-75 with past (N=2,174) or current

Gambling disorder is the only behavioral addiction recognized as a clinical disorder in DSM-5, and Internet gaming disorder is included as a condition requiring further research. ICD-11 categorizes gambling and gaming disorders as disorders due to addictive behaviors. Additional behavioral addictions may include compulsive sexual behavior disorder, compulsive buying-shopping disorder, and problematic

OBJECTIVE Xanomeline and trospium chloride (formerly known as KarXT), a novel M1/M4 muscarinic receptor agonist, demonstrated efficacy across phase 2 and 3 trials as monotherapy for the treatment of inpatients with acute schizophrenia on the Positive and Negative Syndrome Scale total score primary endpoint. In the phase 2 trial, xanomeline/trospium improved performance on a cognitive outcome measure

Background The etiology of schizophrenia involves both biological and environmental risk factors. Studying childhood trauma in disorders along the schizophrenia spectrum, including schizotypal personality disorder (SPD), can inform early risk and protective factors for psychosis. However, no study has directly compared childhood trauma between SPD and schizophrenia. Study Design One hundred twenty-four

Background Multiple genetic and environmental risk factors play a role in the development of both schizophrenia-spectrum disorders and affective psychoses. How they act in combination is yet to be clarified. Methods We analyzed 573 first episode psychosis cases and 1005 controls, of European ancestry. Firstly, we tested whether the association of polygenic risk scores for schizophrenia, bipolar disorder

Background and Hypothesis Inflammatory proteins are implicated in psychiatric disorders, but the causality and underlying mechanisms remain unclear. Study Design We conducted bidirectional Mendelian randomization (MR) using genetic variants from genome-wide association studies (GWAS) for 91 inflammatory proteins (N = 14 824) and 11 psychiatric disorders (N = 9725 to 1 035 760). The primary analysis

This randomized controlled trial secondary analysis examines the association between treatment expectancies and the relative efficacy of psilocybin compared with escitalopram for major depressive disorder.

Background Overweight and obesity are highly prevalent in people with severe mental illness (SMI). Antipsychotic-induced weight gain (AIWG) is one of the most commonly reported and distressing side effects of treatment and people living with SMI place a high value on the avoidance of this side effect. Metformin is the most effective pharmacological intervention studied for the prevention of AIWG yet

Background and Hypotheses The causes of schizophrenia remain unclear, and research has been hindered by the lack of quantifiable standards. However, magnetic resonance imaging (MRI) is addressing these challenges, revealing critical neurobiological details and emphasizing its importance in both evaluation and treatment. Study Design First, we reviewed the progress of research on structural MRI (sMRI)

Background Clozapine therapy presents a risk of agranulocytosis, necessitating monitoring of white blood cell count. The detection of benign ethnic neutropenia (BEN), in which neutropenia can be present without an increased risk of infection, is particularly important in preventing unnecessary withdrawal of clozapine. BEN is strongly linked to the CC homozygote of the single nucleotide polymorphism

An overview of changes in the classification of personality disorders from ICD-10 to ICD-11 is presented. The new classification incorporates a dimensional approach centred on severity with five domains available to describe personality pathology. The potential clinical utility of the new approach is discussed.

Although studies of psychedelic-assisted psychotherapy are accumulating, there is no consensus regarding best practice of the psychotherapeutic component. In this systematic review, we summarised the quality of reporting on psychological interventions in research about psychedelic treatments. The design followed PRISMA guidelines and was preregistered in PROSPERO (CRD42022319221). We searched MEDLINE