Publications by authors named "John Hodsoll"

Background: England's primary care service for psychological therapy (Improving Access to Psychological Therapies [IAPT]) treats anxiety and depression, with a target recovery rate of 50%. Identifying the characteristics of patients who achieve recovery may assist in optimizing future treatment. This naturalistic cohort study investigated pre-therapy characteristics as predictors of recovery and improvement after IAPT therapy.

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Article Synopsis
  • - Functional Neurological Symptom Disorder (FNSD) involves neurological-like symptoms without a clear neurological cause, and the mechanisms behind it are complex and not fully understood.
  • - A study tested the use of remote monitoring technologies (RMT) on 17 individuals with FNS and 17 healthy controls to track symptoms, daily events, and physiological data, finding that those with FNS reported higher levels of negative emotions, pain, and sleep issues.
  • - Results indicate that daily stressors and negative feelings significantly impact FNS severity, suggesting that addressing emotional responses could help those with FNS, and calls for larger studies to explore these findings further.
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Background: Data on associations between inflammation and depressive symptoms largely originate from high income population settings, despite the greatest disease burden in major depressive disorder being attributed to populations in lower-middle income countries (LMICs).

Aims: We assessed the prevalence of low-grade inflammation in adults with treatment-resistant depression (TRD) in Pakistan, an LMIC, and investigated associations between peripheral C-reactive protein (CRP) levels and depressive symptoms.

Method: This is a secondary analysis of two randomised controlled trials investigating adjunctive immunomodulatory agents (minocycline and simvastatin) for Pakistani adults with TRD ( = 191).

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Introduction: Advances have been made in understanding the aetiology of functional neurological disorder (FND); however, its pathophysiological mechanisms have not been definitively demonstrated. Evidence suggests interacting roles for altered emotional processing and interoception, elevated autonomic arousal, and dissociation, but there is limited evidence demonstrating their causal influence on specific FND symptoms. Our superordinate aim is to elucidate potentially shared and distinct aetiological factors and mechanisms in two common FND subtypes, functional seizures (FS) and functional motor symptoms (FMS).

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Introduction: Multi-family therapy for anorexia nervosa (MFT-AN) is a novel, group-based intervention that intensifies single-family therapy for anorexia nervosa (FT-AN), with the aim of improving outcomes. The current study explored treatment moderators in a randomised controlled trial (N = 167) of FT-AN and MFT-AN for young people (adolescents/emerging adults aged 13-20 years) with anorexia nervosa.

Methods: Data were analysed using multiple linear regression.

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Background And Hypothesis: Use of clozapine in treatment-resistant schizophrenia is often limited due to risk of adverse effects. Cross-sectional associations between clozapine treatment and low immunoglobulin levels have been reported, however prospective studies are required to establish temporal relationships. We tested the hypothesis that reductions in immunoglobulin levels would occur over the first 6 months following initiation of clozapine treatment.

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Aims: To test how attentional bias and explicit liking are influenced by delta-9-tetrahydrocannabinol (THC) and whether these effects are moderated by cannabidiol (CBD).

Design: Double-blind, randomised, within-subjects cross-over study.

Setting: NIHR Wellcome Trust Clinical Research Facility at King's College Hospital, London, United Kingdom.

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Background: Mental wellbeing encompasses life satisfaction, social connectedness, agency and resilience. In adolescence, mental wellbeing reduces sexual health risk behaviours, substance use and violence; improves educational outcomes; and protects mental health in adulthood. Mental health promotion seeks to improve mental wellbeing and can include activities to engage participants in sport.

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Objective: There has been increased interest in repurposing anti-inflammatories for the treatment of bipolar depression. Evidence from high-income countries suggests that these agents may work best for specific depressive symptoms in a subset of patients with biochemical evidence of inflammation but data from lower-middle income countries (LMICs) is scarce. This secondary analysis explored the relationship between pretreatment inflammatory markers and specific depressive symptoms, clinical measures, and demographic variables in participants with bipolar depression in Pakistan.

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Autism spectrum disorder (ASD) often co-occurs with attention-deficit/hyperactivity disorder (ADHD) and people with these conditions have frontostriatal functional atypicality during motor inhibition. We compared the neural and neurocognitive correlates of motor inhibition and performance monitoring in young adult males with "pure" and combined presentations with age-and sex-matched typically developing controls, to explore shared or disorder-specific atypicality. Males aged 20-27 years with typical development (TD; n = 22), ASD (n = 21), combined diagnoses ASD + ADHD (n = 23), and ADHD (n = 25) were compared using a modified tracking fMRI stop-signal task that measures motor inhibition and performance monitoring while controlling for selective attention.

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Importance: Immune-metabolic disturbances have been implicated in the pathophysiology of major depressive disorder and may be more prominent in individuals with treatment-resistant depression (TRD). Preliminary trials suggest that lipid-lowering agents, including statins, may be useful adjunctive treatments for major depressive disorder. However, no adequately powered clinical trials have assessed the antidepressant efficacy of these agents in TRD.

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Article Synopsis
  • The study investigated how THC and CBD affect plasma levels of endocannabinoids by having healthy volunteers inhale cannabis vapor containing different doses of CBD alongside a consistent dose of THC.
  • THC increased plasma levels of anandamide and other noncannabinoid ethanolamides, but CBD did not significantly alter these effects across all doses tested.
  • The research indicated that while THC raised certain endocannabinoid levels acutely, CBD's presence did not enhance or modify these increases during the sessions.
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As countries adopt more permissive cannabis policies, it is increasingly important to identify strategies that can reduce the harmful effects of cannabis use. This study aimed to determine if increasing the CBD content of cannabis can reduce its harmful effects. Forty-six healthy, infrequent cannabis users participated in a double-blind, within-subject, randomised trial of cannabis preparations varying in CBD content.

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Background And Objectives: We know little about how symptoms of obsessive-compulsive disorder and depression interact during psychological therapy. Although some previous research suggests that reductions in the severity of depression are driven by reductions in OCD, support for this conclusion is limited due to the exclusion of individuals with severe depression and limitations of the statistical approaches used.

Methods: This study re-examined the interaction between symptoms of OCD and depression during therapy in a sample of 137 adults with a primary diagnosis of OCD and a full range of depression severity.

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Differences in infant caregiving behavior between cultures have long been noted, although the quantified comparison of touch-based caregiving using uniform standardized methodology has been much more limited. The Parent-Infant Caregiving Touch scale (PICTS) was developed for this purpose and programming effects of early parental tactile stimulation (stroking) on infant hypothalamic-pituitary adrenal (HPA)-axis functioning (stress-response system), cardiovascular regulation and behavioral outcomes, similar to that reported in animals, have now been demonstrated. In order to inform future studies examining such programming effects in India, we first aimed to describe and examine, using parametric and non-parametric item-response methods, the item-response frequencies and characteristics of responses on the PICTS, and evidence for cross-cultural differential item functioning (DIF) in the United Kingdom (UK) and India.

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Introduction: Infection after stroke is associated with unfavorable outcome. Randomized controlled studies did not show benefit of preventive antibiotics in stroke but lacked power for subgroup analyses. Aim of this study is to assess whether preventive antibiotic therapy after stroke improves functional outcome for specific patient groups in an individual patient data meta-analysis.

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Background: Findings from randomised control trials inform the development of evidence-based eating disorder (ED) practice guidelines internationally. Only recently are data beginning to emerge regarding how these treatments perform outside of research settings. This study aimed to evaluate treatment pathways and outcomes for a specialist child and adolescent ED service across a five-year period.

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Background: Metabolic dysfunction is prevalent in bipolar disorder (BD) and associated with illness severity and treatment outcomes. There is little research exploring this relationship in low and middle-income countries (LMICs) and little is known about the moderating effect of metabolic health on treatment response to anti-inflammatory drugs in BD.

Methods: MINDCARE, a randomized-controlled-trial conducted in Pakistan, investigated the efficacy of minocycline and celecoxib in 266 adults with bipolar depression.

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Current treatments for binge eating disorder (BED) and bulimia nervosa (BN) only show moderate efficacy, warranting the need for novel interventions. Impairments in food-related inhibitory control contribute to BED/BN and could be targeted by food-specific inhibitory control training (ICT). The aim of this study was to establish the feasibility and acceptability of augmenting treatment for individuals with BN/BED with an ICT app (FoodT), which targets motor inhibition to food stimuli using a go/no-go paradigm.

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Social interactions are partly driven by our ability to empathize-the capacity to share and understand others' inner states. While a growing body of evidence suggests a link between past experiences and empathy, to what degree empathy is dependent on our own previous experiences (autobiographical memories, AMs) is still unclear. Whereas neuroimaging studies have shown wide overlapping brain networks underpinning AM and empathic processes, studies on clinical populations with memory loss have not always shown empathy is impaired.

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Quantitative markers extracted from resting-state electroencephalogram (EEG) reveal subtle neurophysiological dynamics which may provide useful information to support the diagnosis of seizure disorders. We performed a systematic review to summarize evidence on markers extracted from interictal, visually normal resting-state EEG in adults with idiopathic epilepsy or psychogenic nonepileptic seizures (PNES). Studies were selected from 5 databases and evaluated using the Quality Assessment of Diagnostic Accuracy Studies-2.

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