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Introduction: Individuals with borderline personality disorder (BPD) are thought to experience specific biosocial vulnerabilities that give rise to a maladaptive negativity bias in the perception and expression of emotions. However, while this negative bias has been identified in adults with full threshold BPD or high BPD features, it is unclear whether it is evident earlier in the course of the disorder – that being, young persons with first-presentation BPD meeting three or more BPD features, as defined by early intervention models. Methods: The current study compared patterns of facial responding in individuals aged 15–25 years first presenting to a specialist outpatient service with three or more BPD features (n = 32) to age-matched healthy controls (n = 46). Facial electromyography was used to assess muscle activity associated with positive (zygomaticus major) and negative (corrugator supercilii) expression while participants viewed happy, angry, and neutral facial expressions. Results: The data revealed that negative facial emotional reactivity for the BPD group did not significantly differ from the control group. However, the results for positive emotional reactivity were more nuanced, indicating that while there was not an overall between-group difference, there might be an effect of time suggestive of a slower positive emotional reaction to happy faces by the BPD group. Conclusions: These data provide initial evidence that negatively biased emotional expression, when responding with negative facial expressions to neutral, happy, or angry faces, is not evident in young persons first presenting to a specialist outpatient service for treatment of BPD. However, a bias may be demonstrated by what appears to be a slower positive affective response to happy faces. The implications of these findings are discussed, particularly in relation to factors associated with chronicity of illness that might potentially contribute to the development of a more pronounced negativity bias later in the course of the illness. We encourage further examination of negativity biases in the developmental sequelae of BPD via longitudinal design or cross-sectional designs that include BPD participants across the course of illness, as well as further research to explore the possibility that positive affective reactions in this group might not be grossly blunted but rather delayed. [ABSTRACT FROM AUTHOR]

Evaluating suicidal ideation in young people seeking mental health treatment is an important component of clinical assessment and treatment planning. To reduce the burden of youth suicide, we need to improve our understanding of suicidal ideation, its underlying constructs, and how ideation translates into suicidal behaviour. Using exploratory factor analysis, we investigated the dimensionality of the Suicidal Ideation Questionnaire (SIQ) among 273 participants aged 15–25 with Major Depressive Disorder. Area under the receiver operating characteristic curve (AUROC) analysis was used to explore associations between latent factors and actual suicidal behaviour. Findings suggested that the SIQ assesses multiple factors underlying suicidal ideation. AUROC analyses demonstrated that latent factors relating to both active and passive suicidal ideation predicted past-month suicidal behaviour and suicide attempt. These findings contribute to an improved understanding of the complexities of suicidal ideation and relationships with suicidal behaviour in young people with depression. [ABSTRACT FROM AUTHOR]

Background: Borderline personality disorder (BPD) is a severe mental disorder that is characterised by a pervasive pattern of instability of interpersonal relationships, self-image, and mood as well as marked impulsivity. BPD has its peak incidence and prevalence from puberty through to emerging adulthood. BPD is a controversial diagnosis in young people. Commonly, young people with BPD are under-diagnosed, untreated, are not in employment or training and are estranged from their families. Yet, they have complex needs and are at high suicide risk. Aim: To assess the feasibility of conducting a randomised controlled trial (f-RCT) of a BRIDGE, a brief intervention programme for young people (age 14-24) with BPD symptoms (sub-threshold or threshold) in a community sample from Scotland, UK. Method: Forty young people (age 14-24) meeting criteria for BPD symptoms, will be randomised in a 1:1 ratio to receive either a) the BRIDGE intervention plus service-as-usual or b) service-as-usual alone. Follow up will be 12 weeks and 24 weeks post-intervention. The study is carried out between 2021 to 2024. Outcome: The two primary outcomes of the MQ funded, BRIDGE project (f-RCT) are i. recruitment rates and ii. retention rates. The study will present the acceptability and appropriateness of our putative outcome measures for a future definitive randomised controlled trial (d-RCT). Impact: Young people with BPD benefit from good clinical care and targeted intervention, however are regularly missed or mislabelled. The community based feasibility trial would provide initial evidence of variable needs of young people with complex needs, who maybe missed or excluded from services as they don't "fit" a model/diagnosis. Workable multi-agency service model proposed in the trial would be a major advance in understanding care pathways regardless of trial outcome. Clinical Trial Registration: ClinicalTrial.gov, identifier NCT05023447 [ABSTRACT FROM AUTHOR]

Introduction: This study aimed to analyze the real‐time variability of suicidal ideation intensity and the relationship between real‐time and retrospective reports of suicidal ideation made on the Beck Scale for Suicidal Ideation (BSS), among young people with borderline personality disorder (BPD). Methods: Young people (15–25‐year olds) with BPD (N = 46), recruited from two government‐funded mental health services, rated the intensity of their suicidal ideation six times per day for 7 days before completing the BSS. Results: For 70% of participants, suicidal ideation changed in intensity approximately five times across the week, both within and between days. BSS ratings were most highly correlated with the highest real‐time ratings of suicidal ideation. However, this was not significantly different from the relationship between the BSS and both the average and most recent ratings. Median ratings of suicidal ideation intensity were higher on the BSS compared with an equivalent question asked in real time. Conclusion: Findings suggest that young people with BPD experience high levels of fluctuation in their intensity of suicidal ideation across a week and that retrospective reports of suicidal ideation might be more reflective of the most intense experience of suicidal ideation across the week. [ABSTRACT FROM AUTHOR]

One in five young people with first-episode psychosis (FEP) also presents with borderline personality disorder (BPD) features. Among people diagnosed with BPD, auditory verbal hallucinations occur in 29–50 % and delusions in 10–100 %. Co-occurrence of psychotic symptoms and BPD is associated with greater clinical severity and greater difficulty accessing evidence based FEP care. This study aimed to investigate psychotic symptoms and psychosocial functioning among young people presenting to an early intervention mental health service. According to the presence or absence of either FEP or BPD, 141 participants, aged 15–25 years, were assigned to one of four groups: FEP, BPD, combined FEP + BPD, or clinical comparison (CC) participants with neither FEP nor BPD. Participants completed semi-structured diagnostic interviews and interviewer and self-report measures of psychopathology and psychosocial functioning. The FEP + BPD group had significantly more severe psychopathology and poorer psychosocial functioning than the FEP group on every measure, apart from intensity of hallucinations. Comparing the FEP or BPD groups, the BPD group had greater psychopathology, apart from intensity of psychotic symptoms, which was significantly greater in the FEP group. These two groups did not significantly differ in their overall psychosocial functioning. Compared with CC young people, both the FEP + BPD and BPD groups differed significantly on every measure, with medium to large effect sizes. Young people with co-occurring FEP and BPD experience more severe difficulties than young people with either diagnosis alone. This combination of psychosis and severe personality pathology has been longitudinally associated with poorer outcomes among adults and requires specific clinical attention. [ABSTRACT FROM AUTHOR]

Background: Self-harm in young people is a public health concern connected with severe mental health problems, such as personality pathology. Currently, there are no specific evidence-based interventions available for young people who self-harm. Therefore, we developed PRe-Intervention Monitoring of Affect and Relationships in Youth (PRIMARY), a smartphone-based intervention, co-designed by clinicians and young people with lived experience of mental ill-health. PRIMARY combines the Experience Sampling Method (ESM) with weekly report sessions. The study aims to examine the effectiveness of PRIMARY with regard to reducing self-harm, and improving emotion regulation and quality of relationships. Methods: This study is a multicenter, parallel groups, randomized controlled trial (RCT) comparing the PRIMARY intervention to a waiting list control group. PRIMARY comprises 28 consecutive days of questionnaires five times each day (i.e., ESM) and four weekly report sessions. Participants will comprise 180 young people referred for treatment to the participating Dutch mental healthcare institutions and (1) are aged 12 to 25 years, and (2) engaged in ≥ 1 act of self-harm in the past year. Participants are randomly allocated to a study group after screening in a 1:1 ratio by an independent researcher using computer-generated randomization sequences with stratified block randomization by age (12 to 15 years / 16 to 25 years). Staff will conduct assessments with all participants at baseline (Wave 1), after 28 days (Wave 2), and in a subsample after 10 weeks of subsequent specialized treatment (Wave 3). The primary outcomes are self-harm, emotion regulation, and quality of relationships. Secondary outcomes include patient and clinician satisfaction. Exploratory analyses of ESM data will examine the relationship between emotions, social relationships, and self-harm. Discussion: The results of this trial will clarify whether an innovative smartphone-based intervention is effective for reducing self harm and improving emotion regulation and the quality of social relationships. It has the potential to fill a treatment gap of interventions specifically targeting self-harm. If proven effective, it would provide an accessible, easy-to-implement, low-cost intervention for young people. Furthermore, the ESM-data will allow detailed analyses into the processes underlying self-harm, which will contribute to theoretical knowledge regarding the behavior. Trial registration: ISRCTN42088538 (https://doi.org/10.1186/ISRCTN42088538), retrospectively registered on the 26th of October 2022. [ABSTRACT FROM AUTHOR]

Introduction: Borderline personality disorder (BPD) is common among people diagnosed with first episode of psychosis (FEP), but is often under‐recognized and under‐researched. This study aimed to determine: (i) the prevalence of borderline personality pathology (subthreshold features and categorical disorder) in a FEP cohort (termed FEP + BPP); (ii) demographic and clinical factors associated with FEP + BPP; (iii) the symptomatic and functional outcomes. Methods: This study was conducted within the Early Psychosis Prevention and Intervention Centre (EPPIC) at Orygen over the 30‐month period between 2014 and 2016. BPP was evaluated by using the Structured Clinical Interview for DSM‐IV Axis II Personality Questionnaire BPD criteria. Results: In a cohort of 457 young people with a FEP (mean age 19.5 years, 56% male), 18.4% had borderline personality pathology (BPP). Compared with FEP alone, young people with FEP + BPP were more likely to be female, younger, Australian‐born. In addition, young people with FEP + BPP were more likely to be diagnosed with Psychosis NOS, present with more severe hallucinations, and have alcohol abuse. Young people with FEP + BPP had more relationship difficulties at presentation and they were more likely to suffer of depression and to engage in self‐harm throughout the follow‐up. In relation to outcome, FEP + BPP was not associated with different rates of remission or relapse, however they were less likely to be admitted to hospital at presentation or involuntarily during their episode of care. Conclusion: BPP is a common occurrence in psychotic disorders and is associated with more severe hallucinations and depression with higher risks of self‐harm. Specific interventions need to be developed. [ABSTRACT FROM AUTHOR]

Although national guidelines explicitly state that personality disorder can be diagnosed and treated in young people aged 12 to 18 years (adolescents), most clinicians remain hesitant. This creates a gap between science and practice, which we argue is largely motivated by moral reasons and, therefore, is best challenged by ethical arguments. We provide seven arguments in support of the notion that it is ethically right to diagnose and treat personality disorder when it occurs in adolescents. Central to these arguments is the scientific evidence that features of personality disorder are among the best predictors of a complex cluster of psychopathology leading to impairments in many areas of current and future mental, social and vocational functioning. We argue that intervention during adolescence and young adulthood is not only humane, but also critical for efforts to avert the longstanding psychosocial and health problems that seem refractory to treatment in adults with personality disorder. Moreover, we argue that regular services are often inadequately equipped to meet the needs of young people with personality disorder and that the common 'stepped-care' approach should be replaced by a 'staged-care' approach. Finally, we argue that early detection and intervention might have anti-stigmatizing effects, similar to other areas of healthcare in which stigmatizing labels have changed meaning when the conditions to which they refer have become more amenable to treatment. [ABSTRACT FROM AUTHOR]

Objective: Personality disorder (PD) has its peak incidence between puberty and young adulthood. By any measure, it is among the most severe mental health problems occurring in young people, uniquely predicting debilitating current problems and acting as a 'gateway' to diverse and serious future problems. Yet, PD still struggles for legitimacy and parity of access to services, including early intervention. Conclusion: Addressing PD is fundamental to youth mental health, and early intervention for PD has reached 'proof of concept'. Yet, reform is hindered by bigotry and sectarianism. Successful early intervention calls for a shift in the culture of services, countering damaging myths, addressing bigotry, and fostering hope. Such reforms are well within the reach of youth mental health. [ABSTRACT FROM AUTHOR]

Summary: Characterising sleep in young people (aged 15–25 years) with borderline personality disorder (BPD) features is crucial given the association between BPD features and sleep disturbance, negative consequences of poor sleep, and normative developmental sleep changes that occur in this age group. The present study aimed to characterise the sleep profile of young people with BPD to determine whether this profile is non‐normative and specific to BPD. Participants were 96 young people (40 with BPD features, 38 healthy individuals, and 18 young people seeking help for mental health difficulties without BPD). Sleep was measured subjectively (self‐report questionnaires) and objectively (10 days of actigraphy). Young people with BPD features reported poorer subjective sleep quality, greater insomnia symptoms and later chronotype than same‐age healthy and clinical comparison groups. Young people with BPD features also displayed irregular sleep timing, later rise times, greater time in bed and longer sleep durations than healthy young people. Those with BPD features had superior sleep quality (greater sleep efficiency, less wake after sleep onset) and longer sleep durations than the clinical comparison group. Sleep profiles were similar across young people with BPD features with and without co‐occurring depression. Overall, the findings revealed a subjective–objective sleep discrepancy and suggest that sleep‐improvement interventions might be beneficial to improve subjective sleep in young people with BPD features. [ABSTRACT FROM AUTHOR]

Objective: The increasing focus on adolescent personality disorder has tended to ignore evidence of the developmental continuity of the period from puberty to young adulthood. This study aims to: (1) describe the characteristics of a sample of young people with borderline personality disorder (BPD) who had no previous history of evidence-based treatment for the disorder and (2) compare their characteristics by participant age group. Methods: One hundred and thirty-nine young people (15 to 25 years) with BPD, newly enrolled in the Monitoring Outcomes of BPD in Youth randomized controlled trial, completed semi-structured interview and self-report measures assessing demographic, clinical, and functional characteristics. Younger (aged 15 to 17 years; n = 64) and older (aged 18 to 25 years; n = 75) participants were compared on these same variables using t -tests, chi-square tests, and logistic regression. Results: Young outpatients with BPD had extensive and severe psychopathology and were functioning poorly. Adolescents and young adults with BPD showed substantial similarities on 20 key aspects of their presentation. Significant between-groups differences were observed in household makeup, treatment history, antisocial personality disorder, emotion dysregulation, substance use, age of commencement and extent of self-harm, and achievement of age-appropriate educational milestones. Adolescent BPD group membership was predicted by family composition and self-harm, whereas young adult BPD group membership was predicted by not achieving age-appropriate milestones, vocational disengagement, and emotion dysregulation. The final model explained 54% of the variance and correctly classified 80.2% of the sample by age. Conclusions: Both adolescents and young adults with early stage BPD present with severe and often similar problems to one another, supporting developmental continuity across this age range. However, there are also meaningful differences in presentation, suggesting that pathways to care might differ by age and/or developmental stage. Detection and intervention for personality disorder should not be delayed until individuals reach 18 years of age. [ABSTRACT FROM AUTHOR]

Most psychiatric disorders develop during adolescence and young adulthood and are preceded by a phase during which attenuated or episodic symptoms and functional decline are apparent. The introduction of the ultra-high risk (UHR) criteria two decades ago created a new framework for identification of risk and for pre-emptive psychiatry, focusing on first episode psychosis as an outcome. Research in this paradigm demonstrated the comorbid, diffuse nature of emerging psychopathology and a high degree of developmental heterotopy, suggesting the need to adopt a broader, more agnostic approach to risk identification. Guided by the principles of clinical staging, we introduce the concept of a pluripotent at-risk mental state. The clinical high at risk mental state (CHARMS) approach broadens identification of risk beyond psychosis, encompassing multiple exit syndromes such as mania, severe depression, and personality disorder. It does not diagnostically differentiate the early stages of psychopathology, but adopts a "pluripotent" approach, allowing for overlapping and heterotypic trajectories and enabling the identification of both transdiagnostic and specific risk factors. As CHARMS is developed within the framework of clinical staging, clinical utility is maximized by acknowledging the dimensional nature of clinical phenotypes, while retaining thresholds for introducing specific interventions. Preliminary data from our ongoing CHARMS cohort study (N = 114) show that 34% of young people who completed the 12-month follow-up assessment (N = 78) transitioned from Stage 1b (attenuated syndrome) to Stage 2 (full disorder). While not without limitations, this broader risk identification approach might ultimately allow reliable, transdiagnostic identification of young people in the early stages of severe mental illness, presenting further opportunities for targeted early intervention and prevention strategies. [ABSTRACT FROM AUTHOR]