Psychiatry - Research Publications
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ItemNo Preview AvailableAn analysis of real-time suicidal ideation and its relationship with retrospective reports among young people with borderline personality disorder(WILEY, 2024-02-20)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.
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ItemNo Preview AvailablePredictors of suicidal ideation severity among treatment-seeking young people with major depressive disorder: The role of state and trait anxiety(SAGE PUBLICATIONS LTD, 2023-08)OBJECTIVE: Depression and suicidal ideation are closely intertwined. Yet, among young people with depression, the specific factors that contribute to changes in suicidal ideation over time are uncertain. Factors other than depressive symptom severity, such as comorbid psychopathology and personality traits, might be important contributors. Our aim was to identify contributors to fluctuations in suicidal ideation severity over a 12-week period in young people with major depressive disorder receiving cognitive behavioural therapy. METHODS: Data were drawn from two 12-week randomised, placebo-controlled treatment trials. Participants (N = 283) were 15-25 years old, with moderate to severe major depressive disorder. The primary outcome measure was the Suicidal Ideation Questionnaire, administered at baseline and weeks 4, 8 and 12. A series of linear mixed models was conducted to examine the relationship between Suicidal Ideation Questionnaire score and demographic characteristics, comorbid psychopathology, personality traits and alcohol use. RESULTS: Depression and anxiety symptom severity, and trait anxiety, independently predicted higher suicidal ideation, after adjusting for the effects of time, demographics, affective instability, non-suicidal self-injury and alcohol use. CONCLUSIONS: Both state and trait anxiety are important longitudinal correlates of suicidal ideation in depressed young people receiving cognitive behavioural therapy, independent of depression severity. Reducing acute psychological distress, through reducing depression and anxiety symptom severity, is important, but interventions aimed at treating trait anxiety could also potentially be an effective intervention approach for suicidal ideation in young people with depression.
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ItemNo Preview AvailableAssessing Suicidal Ideation in Young People With Depression: Factor Structure of the Suicidal Ideation Questionnaire(SAGE PUBLICATIONS INC, 2022-09-06)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.
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ItemImproving functional outcomes in early-stage bipolar disorder: The protocol for the REsearch into COgnitive and behavioural VERsatility trial(WILEY, 2019-12)AIM: Young people with bipolar disorder (BD) commonly experience reduced quality of life, persistent symptoms and impaired functional recovery despite often superior school performance. Compromised long-term functioning can ensue. There is evidence that psychological therapies alongside pharmacology may be more efficacious earlier in the course of the disorder. Intervention in the early stages may thus reduce the burden and risk associated with BD and mitigate the impact of the disorder on normal developmental trajectories. To date, however, the availability of evidence-based psychological therapies for young people with early BD is limited. Furthermore, there are no large-scale randomized controlled trials (RCTs) of such interventions. METHODS: The study is a prospective, single-blind, RCT examining the effectiveness of an adjunctive individualized and manualized psychological intervention, compared with treatment as usual within youth-specific early intervention services. The REsearch into COgnitive and behavioural VERsatility (RECOVER) intervention is delivered over a 6-month period. About 122 young people in the early stages of BD-I (at least one manic episode in the previous 2 years, with no more than five lifetime treated/untreated manic or hypomanic episodes) will be recruited. The assessments will occur at baseline, 3, 6 (primary endpoint, end of treatment), 9, 12, 15 and 18 months. RESULTS: Recruitment will commence in January 2019 and is anticipated to occur over a 3.5-year period. CONCLUSIONS: To date, there are no evidence-based psychological therapies tailored to young people with early BD. We will test whether early psychological intervention in the course of BD can reduce the symptomatic, psychological, vocational and social impacts that are seen in entrenched disorder.
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ItemAripiprazole compared with placebo for auditory verbal hallucinations in youth with borderline personality disorder: Protocol for the VERBATIM randomized controlled trial(WILEY, 2019-12)AIM: Up to half of patients with borderline personality disorder report auditory verbal hallucinations that are phenomenologically indistinguishable from those in schizophrenia, occur early in the course of the disorder, and are enduring, distressing and disabling. In clinical practice, this symptom is widely assumed to be unresponsive to treatment with antipsychotic medication and early intervention is rarely offered. The Verbal Experiences Response in Borderline personality disorder to Aripiprazole TrIal Medication (VERBATIM) study aims to be the first controlled trial to investigate the effectiveness of conventional pharmacotherapy for this symptom in this patient group. METHOD: VERBATIM is a 12-week, triple-blind, single-centre, parallel groups randomised controlled trial, with a 27-week follow-up period. Participants between the ages of 15 and 25 years receive either aripiprazole or placebo daily, commencing at 2 mg and increasing to 10 mg by day 15. Further dose escalations (up to 30 mg) may occur, as clinically indicated. This trial was prospectively registered with the Australian and New Zealand Clinical Trials Registry ACTRN12616001192471 on 30/08/2016. RESULTS: The primary outcome is severity of auditory verbal hallucinations assessed using the Psychotic Symptom Rating Scale. Secondary outcomes include the severity of general psychopathology, borderline personality pathology, social and occupational functioning and change in brain resting state connectivity. The primary endpoint is week 12 and secondary endpoint is week 39. CONCLUSION: The results will inform treatment decisions for individuals with borderline personality disorder who present with auditory verbal hallucinations.
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ItemFactors associated with vocational disengagement among young people entering mental health treatment(WILEY, 2019-08)AIM: Most mental disorders have their onset by age 25, disrupting normative vocational engagement. Factors associated with vocational disengagement at first contact with specialist treatment are important for service planning. The aim of this paper was to investigate the association between theoretically important factors and vocational disengagement for youth entering mental health treatment. METHODS: A file audit was used to extract vocational data of 145 young people aged 15 to 25 years entering treatment in 2011 at a public youth mental health service in Melbourne, Australia. Comparisons were made across three specialist programs for: psychosis (n = 50), mood disorders (n = 52) and borderline personality pathology (n = 43). Individual characteristics were entered into univariate and multivariate logistic regressions to investigate their associations with vocational disengagement. RESULTS: Educational disengagement was associated with being older (OR = 4.38, P = 0.004) and not living with parents (OR = 2.87, P = 0.038). Unemployment and being NEET (Not in Education, Employment or Training) were both associated with not having commenced tertiary education (OR = 0.23, P = 0.022; OR = 0.05, P = 0.002; respectively). Being NEET was also associated with being older (OR = 6.18, P = 0.004). Primary diagnostic grouping was not associated with vocational disengagement, once accounting for other factors. CONCLUSIONS: The likelihood of vocational disengagement did not differ across disorder groups, implying that intervention should be "transdiagnostic" and might best target education first, specifically post-secondary qualifications. Other domains or variables not measured in this study are also likely to be important, and this might include young people's support systems and symptom severity. Qualitative studies may be useful for exploring further factors relevant to vocational engagement.
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ItemVocational engagement among young people entering mental health treatment compared with their general population peers(WILEY, 2019-06)AIM: To compare rates of vocational engagement for youth entering specialist mental health treatment with the general population. METHODS: A file audit retrieved vocational data for 145 youth aged 15 to 25 entering treatment. Clinical and population data were stratified by age and sex and compared between cohorts. RESULTS: Compared to the population, young people entering mental health treatment were less likely to have completed at least Year 11 in school (77% vs 42%, P < 0.001); and demonstrated higher rates of "Not in Education, Employment or Training" (9% vs 33%, P < 0.001). Individuals aged 15 to 18 years entering treatment experienced greater rates of educational disengagement than the population (30% vs 11%, P < 0.001), whereas people aged 19 to 25 years showed higher unemployment rates (52% vs 35%, P = 0.003). CONCLUSIONS: Youth entering specialist mental health treatment have marked levels of vocational disengagement compared to demographically-matched peers. Early vocational intervention for these young people is essential.
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ItemA Comparison of Vocational Engagement Among Young People with Psychosis, Depression and Borderline Personality Pathology(SPRINGER, 2018-08)Poor vocational engagement is well documented among young people experiencing first-episode psychosis (FEP). The aim of the present study was to establish and compare rates of vocational engagement across young people with first-episode psychosis, depression, and borderline personality pathology. A file audit was used to collect vocational data of young people aged 15-25 entering tertiary mental health treatment in 2011. Rates of vocational engagement were similar across groups, indicating that like those with FEP, young people with depression and borderline personality pathology experience impaired vocational engagement and are in need of targeted vocational interventions. Post hoc analysis indicated that that the depression group had significantly more people who were partially vocationally engaged compared with the psychosis group, suggesting that vocational interventions might need to be targeted differently across different diagnostic groups. Future research should explore risk factors for vocational disengagement across diagnostic groups in order to inform intervention development.
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ItemA psychoeducational group intervention for family and friends of youth with borderline personality disorder features: protocol for a randomised controlled trial(BMC, 2018-07-25)BACKGROUND: Caring for a person with borderline personality disorder is associated with poor outcomes including elevated psychological distress and burden. This study will compare the effectiveness of two brief psychoeducational programs for carers of youth presenting for early intervention for borderline personality disorder features. The protocol for this study is presented here. METHODS: The study is a single-centre parallel group, randomised controlled trial. As a family unit, relatives, partners and friends ('carers') are randomly allocated to one of two treatment arms to receive either an online borderline personality disorder psychoeducation program, or both the online psychoeducation group and a face-to-face group program, Making Sense of Borderline Personality Disorder. Carers are assessed at baseline and follow-up (4 weeks after the intervention). It is expected that participants who received the combined group and online programs will have better outcomes than those who received the online program alone. The primary outcome is carer burden, assessed using the negative appraisal subscales of the Experience of Caregiving Inventory. Secondary outcomes include positive experiences of caregiving, coping, self-rated personality disorder knowledge, psychological distress, expressed emotion and quality of life. DISCUSSION: This will be the first published evaluation of a psychoeducational intervention for carers of youth with borderline personality disorder features using a randomised controlled trial design. The results have the potential to inform clinicians and carers about the effectiveness of brief interventions designed to support families and friends of young people with borderline personality disorder, and what medium those interventions should utilise. TRIAL REGISTRATION: Prospectively registered with the Australian New Zealand Clinical Trial Registry ACTRN12616000304437 on 08 March 2016.
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ItemENACT: a protocol for a randomised placebo-controlled trial investigating the efficacy and mechanisms of action of adjunctive N-acetylcysteine for first-episode psychosis(BMC, 2019-11-28)BACKGROUND: First-episode psychosis (FEP) may lead to a progressive, potentially disabling and lifelong chronic illness; however, evidence suggests that the illness course can be improved if appropriate treatments are given at the early stages. Nonetheless, the efficacy of antipsychotic medications is suboptimal, particularly for negative and cognitive symptoms, and more efficacious and benign treatments are needed. Previous studies have shown that the antioxidant amino acid N-acetylcysteine (NAC) reduces negative symptoms and improves functioning in chronic schizophrenia and bipolar disorder. Research is scarce as to whether NAC is beneficial earlier in the course of illness. The primary aim of this study is to determine the efficacy of treatment with adjunctive NAC (2 g/day for 26 weeks) compared with placebo to improve psychiatric symptoms in young people experiencing FEP. Secondary aims are to explore the neurobiological mechanisms underpinning NAC and how they relate to various clinical and functional outcomes at 26- and 52-week follow-ups. METHODS/DESIGN: ENACT is a 26-week, randomised controlled trial of adjunctive NAC versus placebo, with a 26-week non-treatment follow-up period, for FEP. We will be recruiting 162 young people aged 15-25 years who have recently presented to, and are being treated at, the Early Psychosis Prevention and Intervention Centre, Melbourne, Australia. The primary outcome is the Total Score on the Positive and Negative Syndrome Scale which will be administered at baseline, and weeks 4, 8, 12, 26 (primary endpoint), and 52 (end of study). Secondary outcomes include: symptomatology, functioning, quality of life, neurocognition, blood-derived measures of: inflammation, oxidative and nitrosative stress, and magnetic resonance spectroscopy measures of glutathione concentration. DISCUSSION: Targeted drug development for FEP to date has generally not involved the exploration of neuroprotective agents. This study has the potential to offer a new, safe, and efficacious treatment for people with FEP, leading to better treatment outcomes. Additionally, the neuroprotective dimension of this study may lead to a better long-term prognosis for people with FEP. It has the potential to uncover a novel treatment that targets the neurobiological mechanisms of FEP and, if successful, will be a major advance for psychiatry. TRIAL REGISTRATION: Australian New Zealand Clinical Trials Registry, ID: ACTRN12618000413224. Registered on 21 March 2018.