Characteristics of outcome in schizophrenia at 13 years

Predictors of positive outcomes from 'Early Intervention in Psychosis': protocol for a national retrospective cohort study

Background

Psychotic disorders are severe and prevalent mental health conditions associated with long-term disability, reduced quality of life, and substantial economic costs. Early Intervention in Psychosis (EIP) services aim to provide timely and comprehensive treatment for psychotic disorders, and EIP service input is associated with improved outcomes. However, there is limited understanding of the specific components of EIP care that contribute to these improvements. There is significant nationwide variability in the commissioning and delivery of EIP, with individuals receiving different packages of components from different services. In this study, we seek to explore associations between EIP components and clinically significant outcomes, in order to understand the mechanisms underlying improved psychosis care.

Methods

This national retrospective cohort study will utilize data from the 2019 National Clinical Audit of Psychosis (NCAP), examining the care received by 10,560 individuals treated by EIP services in England. Exposure data from the NCAP, capturing the components of care delivered by EIP services, will be linked with outcome data from routine NHS Digital datasets over a three-year follow-up period. This will be the first study to use this method to examine this population in England. The primary outcomes will be surrogate measures of relapse of psychosis (hospital admission and referral to community-based crisis intervention services). Secondary outcomes include duration of admissions, emergency hospital attendances, episodes of detention under the Mental Health Act, and all-cause mortality. We will use multilevel regression to examine associations between exposures and outcome events. We will handle missing data using appropriate imputation techniques.

Discussion

This study aims to provide valuable insights into the long-term effects of variations in EIP service delivery. The study involves a large, diverse cohort including individuals treated by every EIP service in England. While there are limitations inherent in the observational nature of the study, any associations identified will be of great relevance to clinicians, researchers, and policymakers seeking to optimize EIP care. The results will enable more targeted treatment planning, resource allocation, and potential innovations in EIP care, ultimately leading to improved prognoses for people experiencing psychosis.

Barriers and facilitators to the implementation of an early intervention in psychosis service in three demonstration sites in Ireland

BACKGROUND

Programmes for early intervention (EIP) in psychosis for people experiencing a first episode of psychosis (FEP) have been found to be both clinically and cost effective. Following the publication of a new EIP model of care (MoC) in Ireland, the aim of this research is to describe how people participated in and responded to the MoC including service users, family members, HSE clinical staff and HSE management.

METHODS

Qualitative design using the UK Medical Research Council's process evaluation framework. Purposive sampling techniques were used. A total of N = 40 key informant semi-structured interviews were completed which included clinical staff (N = 22), health service managers and administrators (N = 9), service users (N = 8) and a family member (N = 1). Thematic analyses were conducted.

RESULTS

Unique features of the EIP service (e.g., speed of referral/assessment, multidisciplinary approach, a range of evidence-based interventions and assertive MDT follow up) and enthusiasm for EIP were identified as two key factors that facilitated implementation. In contrast, obstacles to staff recruitment and budget challenges emerged as two primary barriers to implementation.

CONCLUSIONS

The findings from this research provide real world insights into the complexity of implementing an innovative service within an existing health system. Clear and committed financial and human resource processes which allow new innovations to thrive and be protected during their initiation and early implementation phase are paramount. These elements should be considered in the planning and implementation of EIP services both nationally in Ireland and internationally.

Clinical Recovery Among Individuals With a First-Episode Schizophrenia an Updated Systematic Review and Meta-Analysis

BACKGROUND AND HYPOTHESIS

Through decades the clinical recovery outcomes among individuals diagnosed with schizophrenia have been highly inconsistent ranging from 13.5% to 57%. The primary objective of this updated examination was to report the pooled estimate and explore various moderators to improve the understanding of the course of schizophrenia.

STUDY DESIGN

A systematic literature search was set up on PubMed, PsycInfo, and EMBASE until January 13th, 2022. Both observational and interventional studies among cohorts of individuals with the first episode of schizophrenia reporting on clinical recovery were included. The PRISMA 2020 statement was used and data was extracted for a random-effects meta-analysis, meta-regression, and sensitivity analyses. Risk of bias was assessed using The Newcastle-Ottawa Scale.

STUDY RESULTS

A 20.8% (95% CI = 17.3 to 24.8) recovery rate was found among 26 unique study samples (mean trial duration, 9.5 years) including 3877 individuals (mean age, 26.4 years). In meta-regression none of the following study characteristics could uncover the diverse reported recovery rates; age at inclusion (P = .84), year of inclusion (P = .93), follow-up time (P = .99), drop-out rate (P = .07), or strictness of the recovery criteria (P = .35). Furthermore, no differences in recovery were found between early intervention services (EIS; 19.5%; 95% CI = 15.0 to 24.8) compared to other interventions (21%; 95% CI = 16.9 to 25.8), P = .65.

CONCLUSIONS

A clinical recovery rate of approximately 21% was found with minimum impact from various moderators. The rate was not different comparing EIS with other interventions implying that new initiatives are needed to improve the rate of recovery.

Long term course and outcome of first episode schizophrenia: a 27-to-31-year follow-up

PURPOSE

To describe long term clinical and functional outcomes of schizophrenia in a developed country.

METHOD

Long term longitudinal study of clinical and functional outcomes of incidence cohort of all consecutive admissions for a first hospitalization for schizophrenia between 1983 and 1987 in Montreal, Canada (n = 142). Data collection was conducted at admission, 5 years, 10-16 years and 27-31 years follow-up by reviewing hospital charts and government linked health administrative databases.

RESULTS

One fifth of patients were never re-hospitalized and 35% were still in contact with the same catchment area psychiatric services. Thirty-four (24%) died on average at 45.5 years. Fourteen (9.9%) died by suicide; half of them did so 10 years after their first hospitalization. Over 20% were exposed to clozapine and nearly 50% to long-acting injectable antipsychotic medication. There were no inmates; an estimated one fifth might be inferred to be living in supervised residential settings and the rest lived alone or with family. Approximately three quarters of the patients under 65 were receiving social assistance benefits at study's end. From 15 to 25% might have been employed (supported or competitive employment).

CONCLUSION

This study confirms that the long-term course of schizophrenia is heterogenous and mostly positive with most patients living in the community, although a significant proportion need long term support and an important proportion experience premature death. To mitigate the persistent suicide risk and to respond to their need for support, continuous mental health professional's involvement is required for many.

Employment and relationship outcomes in first-episode psychosis: A systematic review and meta-analysis of longitudinal studies

As employment and relationship status are important long-term outcomes in individuals with a diagnosis of first episode psychosis (FEP) disorders, there is a need to elucidate more accurately the extent of these social deficits in people with FEP. This in turn can aid treatment planning and policy development ultimately ensuring more complete and sustainable recoveries. We carried out a systematic review and meta-analysis of longitudinal studies in FEP reporting on employment and relationship status during the illness course. Random effects meta-analyses and meta-regression analyses were employed. Seventy-four studies were included with a sample totalling 15,272 (range = 20-1724) FEP cases with an average follow-up duration of 8.3 years (SD = 7.2). 32.5% (95%CI = 28.5-36.9) of people with a diagnosis of FEP disorders were employed and 21.3% (95%CI = 16.5-27.1) were in a relationship at the end of follow-up. Studies from high-income countries and Europe had a higher proportion of people in employment at the end of follow-up compared to middle-income nations and non-European countries. The inverse was found for relationship status. The proportion of people with a diagnosis of FEP in employment decreased significantly with longer follow-up. Living with family, being in a relationship at first contact and Black and White ethnicities were identified as significant moderators of these outcomes. These findings highlight marked functional recovery deficits for people with FEP, although cultural factors need to be considered. They support the need for interventions to improve employment opportunities, and social functioning, both in early psychosis and during the longitudinal illness course.

Specialised early intervention teams (extended time) for recent-onset psychosis

BACKGROUND

Psychosis is an illness characterised by the presence of hallucinations and delusions that can cause distress or a marked change in an individual's behaviour (e.g. social withdrawal, flat or blunted effect). A first episode of psychosis (FEP) is the first time someone experiences these symptoms that can occur at any age, but the condition is most common in late adolescence and early adulthood. This review is concerned with FEP and the early stages of a psychosis, referred to throughout this review as 'recent-onset psychosis.' Specialised early intervention (SEI) teams are community mental health teams that specifically treat people who are experiencing, or have experienced, a recent-onset psychosis. SEI teams provide a range of treatments including medication, psychotherapy, psychoeducation, educational and employment support, augmented by assertive contact with the service user and small caseloads. Treatment is time limited, usually offered for two to three years, after which service users are either discharged to primary care or transferred to a standard adult community mental health team. Evidence suggests that once SEI treatment ends, improvements may not be sustained, bringing uncertainty about the optimal duration of SEI to ensure the best long-term outcomes. Extending SEI has been proposed as a way of providing continued intensive treatment and continuity of care, of usually up to five years, in order to a) sustain the positive initial outcomes of SEI; and b) improve the long-term trajectory of the illness.

OBJECTIVES

To compare extended SEI teams with treatment as usual (TAU) for people with recent-onset psychosis. To compare extended SEI teams with standard SEI teams followed by TAU (standard SEI + TAU) for people with recent-onset psychosis.

SEARCH METHODS

On 3 October 2018 and 22 October 2019, we searched Cochrane Schizophrenia's study-based register of trials, including registries of clinical trials.

SELECTION CRITERIA

We selected all randomised controlled trials (RCTs) comparing extended SEI with TAU for people with recent-onset psychosis and all RCTs comparing extended SEI with standard SEI + TAU for people with recent-onset psychosis. We entered trials meeting these criteria and reporting usable data as included studies.

DATA COLLECTION AND ANALYSIS

We independently inspected citations, selected studies, extracted data and appraised study quality. For binary outcomes we calculated the risk ratios (RRs) and their 95% confidence intervals (CIs). For continuous outcomes we calculated the mean difference (MD) and their 95% CIs, or if assessment measures differed for the same construct, we calculated the standardised mean difference (SMD) with 95% CIs. We assessed risk of bias for included studies and created a 'Summary of findings' table using the GRADE approach.

MAIN RESULTS

We included three RCTs, with a total 780 participants, aged 16 to 35 years. All participants met the criteria for schizophrenia spectrum disorders or affective psychoses. No trials compared extended SEI with TAU. All three trials randomly allocated people approximately two years into standard SEI to either extended SEI or standard SEI + TAU. The certainty of evidence for outcomes varied from low to very low. Our primary outcomes were recovery and disengagement from mental health services. No trials reported on recovery, and we used remission as a proxy. Three trials reported on remission, with the point estimate suggesting a 13% increase in remission in favour of extended SEI, but this included wide confidence intervals (CIs) and a very uncertain estimate of no benefit (RR 1.13, 95% CI 0.97 to 1.31; 3 trials, 780 participants; very low-certainty evidence). Two trials provided data on disengagement from services with evidence that extended SEI care may result in fewer disengagements from mental health treatment (15%) in comparison to standard SEI + TAU (34%) (RR 0.45, 95% CI 0.27 to 0.75; 2 trials, 380 participants; low-certainty evidence). There may be no evidence of a difference in rates of psychiatric hospital admission (RR 1.55, 95% CI 0.68 to 3.52; 1 trial, 160 participants; low-certainty evidence), or the number of days spent in a psychiatric hospital (MD -2.70, 95% CI -8.30 to 2.90; 1 trial, 400 participants; low-certainty evidence). One trial found uncertain evidence regarding lower global psychotic symptoms in extended SEI in comparison to standard SEI + TAU (MD -1.90, 95% CI -3.28 to -0.52; 1 trial, 156 participants; very low-certainty evidence). It was uncertain whether the use of extended SEI over standard SEI + TAU resulted in fewer deaths due to all-cause mortality, as so few deaths were recorded in trials (RR 0.38, 95% CI 0.09 to 1.64; 3 trials, 780 participants; low-certainty evidence). Very uncertain evidence suggests that using extended SEI instead of standard SEI + TAU may not improve global functioning (SMD 0.23, 95% CI -0.29 to 0.76; 2 trials, 560 participants; very low-certainty evidence). There was low risk of bias in all three trials for random sequence generation, allocation concealment and other biases. All three trials had high risk of bias for blinding of participants and personnel due to the nature of the intervention. For the risk of bias for blinding of outcome assessments and incomplete outcome data there was at least one trial with high or unclear risk of bias.

AUTHORS' CONCLUSIONS

There may be preliminary evidence of benefit from extending SEI team care for treating people experiencing psychosis, with fewer people disengaging from mental health services. Evidence regarding other outcomes was uncertain. The certainty of evidence for the measured outcomes was low or very low. Further, suitably powered studies that use a consistent approach to outcome selection are needed, but with only one further ongoing trial, there is unlikely to be any definitive conclusion for the effectiveness of extended SEI for at least the next few years.

Specialised early intervention teams for recent-onset psychosis

BACKGROUND

Psychosis is an illness characterised by the presence of hallucinations and delusions that can cause distress or a marked change in an individual's behaviour (e.g. social withdrawal, flat or blunted effect). A first episode of psychosis (FEP) is the first time someone experiences these symptoms that can occur at any age, but the condition is most common in late adolescence and early adulthood. This review is concerned with first episode psychosis (FEP) and the early stages of a psychosis, referred to throughout this review as 'recent-onset psychosis.' Specialised early intervention (SEI) teams are community mental health teams that specifically treat people who are experiencing, or have experienced a recent-onset psychosis. The purpose of SEI teams is to intensively treat people with psychosis early in the course of the illness with the goal of increasing the likelihood of recovery and reducing the need for longer-term mental health treatment. SEI teams provide a range of treatments including medication, psychotherapy, psychoeducation, and occupational, educational and employment support, augmented by assertive contact with the service user and small caseloads. Treatment is time limited, usually offered for two to three years, after which service users are either discharged to primary care or transferred to a standard adult community mental health team. A previous Cochrane Review of SEI found preliminary evidence that SEI may be superior to standard community mental health care (described as 'treatment as usual (TAU)' in this review) but these recommendations were based on data from only one trial. This review updates the evidence for the use of SEI services.

OBJECTIVES

To compare specialised early intervention (SEI) teams to treatment as usual (TAU) for people with recent-onset psychosis.

SEARCH METHODS

On 3 October 2018 and 22 October 2019, we searched Cochrane Schizophrenia's study-based register of trials, including registries of clinical trials.

SELECTION CRITERIA

We selected all randomised controlled trials (RCTs) comparing SEI with TAU for people with recent-onset psychosis. We entered trials meeting these criteria and reporting useable data as included studies.

DATA COLLECTION AND ANALYSIS

We independently inspected citations, selected studies, extracted data and appraised study quality. For binary outcomes we calculated the risk ratios (RRs) and their 95% confidence intervals (CIs). For continuous outcomes we calculated the mean difference (MD) and their 95% CIs, or if assessment measures differed for the same construct, we calculated the standardised mean difference (SMD) with 95% CIs. We assessed risk of bias for included studies and created a 'Summary of findings' table using the GRADE approach.

MAIN RESULTS

We included three RCTs and one cluster-RCT with a total of 1145 participants. The mean age in the trials was between 23.1 years (RAISE) and 26.6 years (OPUS). The included participants were 405 females (35.4%) and 740 males (64.6%). All trials took place in community mental healthcare settings. Two trials reported on recovery from psychosis at the end of treatment, with evidence that SEI team care may result in more participants in recovery than TAU at the end of treatment (73% versus 52%; RR 1.41, 95% CI 1.01 to 1.97; 2 studies, 194 participants; low-certainty evidence). Three trials provided data on disengagement from services at the end of treatment, with fewer participants probably being disengaged from mental health services in SEI (8%) in comparison to TAU (15%) (RR 0.50, 95% CI 0.31 to 0.79; 3 studies, 630 participants; moderate-certainty evidence). There was low-certainty evidence that SEI may result in fewer admissions to psychiatric hospital than TAU at the end of treatment (52% versus 57%; RR 0.91, 95% CI 0.82 to 1.00; 4 studies, 1145 participants) and low-certainty evidence that SEI may result in fewer psychiatric hospital days (MD -27.00 days, 95% CI -53.68 to -0.32; 1 study, 547 participants). Two trials reported on general psychotic symptoms at the end of treatment, with no evidence of a difference between SEI and TAU, although this evidence is very uncertain (SMD -0.41, 95% CI -4.58 to 3.75; 2 studies, 304 participants; very low-certainty evidence). A different pattern was observed in assessment of general functioning with an end of trial difference that may favour SEI (SMD 0.37, 95% CI 0.07 to 0.66; 2 studies, 467 participants; low-certainty evidence). It was uncertain whether the use of SEI resulted in fewer deaths due to all-cause mortality at end of treatment (RR 0.21, 95% CI 0.04 to 1.20; 3 studies, 741 participants; low-certainty evidence). There was low risk of bias for random sequence generation and allocation concealment in three of the four included trials; the remaining trial had unclear risk of bias. Due to the nature of the intervention, we considered all trials at high risk of bias for blinding of participants and personnel. Two trials had low risk of bias and two trials had high risk of bias for blinding of outcomes assessments. Three trials had low risk of bias for incomplete outcome data, while one trial had high risk of bias. Two trials had low risk of bias, one trial had high risk of bias, and one had unclear risk of bias for selective reporting.

AUTHORS' CONCLUSIONS

There is evidence that SEI may provide benefits to service users during treatment compared to TAU. These benefits probably include fewer disengagements from mental health services (moderate-certainty evidence), and may include small reductions in psychiatric hospitalisation (low-certainty evidence), and a small increase in global functioning (low-certainty evidence) and increased service satisfaction (moderate-certainty evidence). The evidence regarding the effect of SEI over TAU after treatment has ended is uncertain. Further evidence investigating the longer-term outcomes of SEI is needed. Furthermore, all the eligible trials included in this review were conducted in high-income countries, and it is unclear whether these findings would translate to low- and middle-income countries, where both the intervention and the comparison conditions may be different.

Specialised early intervention teams (extended time) for first episode psychosis

This is a protocol for a Cochrane Review (Intervention). The objectives are as follows:

The primary objective is to compare extended early intervention (EEIP) specialised team care to usual community mental health care for the treatment of people with first episode psychosis (FEP). The secondary objective is to compare the effectiveness of EEIP specialised team care to standard early intervention (SEIP) specialised team care (i.e. to test whether there is a dose‐response effect).

Cognitive, Work and Social Outcomes in Fully Recovered First-Episode Schizophrenia: On and Off Antipsychotic Medication

OBJECTIVE

This study examined the development in cognition, work, and social functioning in a group of fully recovered first-episode schizophrenia (FES) patients across six-eight years and inspected whether changes in outcome were similar when individuals were off medication as when they were on medication.

METHOD

Ten out of 28 participants were identified as fully recovered by the eighth follow-up. Assessments were conducted yearly, apart from the first year, when assessments were conducted every six months. Cognition was assessed with MATRICS Consensus Cognitive Battery. Functional outcomes were obtained through Global functioning: Social and Global functioning: Role. Information from semistructured interviews were also gathered. Data were analyzed with linear multilevel models.

RESULTS

There were steady improvements in cognition, social, and role functioning among the patients, but the changes were significantly larger when individuals were off antipsychotic medications than on medications for processing speed and work functioning. T-tests showed that unmedicated participants were not healthier than medicated participants at baseline. The most common reason for discontinuing medication treatment was negative side effects. Instead, many of the participants highlighted the use of active coping mechanisms for maintaining recovery.

CONCLUSIONS

The findings challenge some of the views about medication treatment of FES patients. For a subgroup of FES patients, continuous medication treatment is not necessary for maintaining low levels of symptoms. These patients show sustained good functioning once fully recovered. Due to a small sample size, these results may not be generalized to the general FES population and need to be replicated with studies of larger sample sizes.

Stability of outcomes after 5 years of treatment in an early intervention programme

AIM

It has been hypothesized that the first 5 years are critical in determining long-term recovery from psychotic disorders. We examine stability in recovery indices after 5 years for 56 patients treated in an early intervention programme for psychosis.

METHODS

Assessments of symptom remission and functional recovery were carried out 5 and 10 years after initiation of treatment.

RESULTS

Although overall rates of recovery were comparable at both times, there were significant changes for individuals reflecting both improvement and deterioration.

CONCLUSIONS

Evidence concerning the critical period hypothesis should examine stability in individuals rather than relying on cumulative indices.

An examination of components of recovery after five years of treatment in an early intervention program for psychosis

Recovery from psychotic disorders includes both symptomatic and functional components. Progress in understanding recovery requires careful replication and extension of findings using comparable measures. In the current paper, we present a study of five year recovery rates in an early intervention program in London, Canada with the same operational criteria as those used in a previous report from the OPUS cohort in Denmark. Our analysis extends the OPUS reports by including additional potential predictors of overall recovery, such as cognitive functioning, adherence to medication and early social support, and examining rates and predictors of individual components of recovery at five year follow-up. Consistent with reports from OPUS, we found younger age of onset and lower initial severity of negative symptoms to predict greater likelihood of overall recovery. Different patterns of predictors emerge when we examine individual components of recovery. Adherence to medication during the first year was the sole independent predictor of remission of positive symptoms, while early social adjustment and social support were more likely to predict negative symptom and functional aspects of recovery at five years. Cognitive functioning, as represented by IQ, did not predict any aspects of recovery. Our findings suggest the importance of examining the predictors of individual components in the quest to improve overall recovery.

Service innovations: early intervention in psychosis as a core task for general psychiatry

Early intervention in psychosis is a strategy for which there is increasing theoretical and pragmatic justification. Many studies have been published describing the benefits of early intervention as carried out by specialised and innovative projects. The present paper describes how a generic community mental health team (CMHT), covering a population of 50 000, introduced strategies for early intervention with no extra funding. The team worked together to change old attitudes and practices. A style of intervention was developed to engage with and keep in contact with people with recent onset psychosis. This appears to be achievable – and this model may be an alternative to the setting up of specialised teams.

What are the benefits of evidence-based supported employment for patients with first-episode psychosis?

Aims and Method

To examine the effectiveness of integrating evidence-based supported employment into an early intervention service for young people with first-episode psychosis. Demographic, clinical and vocational data were collected over a 12-month period to evaluate the effect on vocational outcomes at 6 months and 12 months of the employment of a vocational specialist, and to assess model fidelity.

Results

Following vocational profiling and input from the vocational specialist and the team, there were significant increases in the proportion of clients engaged in work or educational activity over the first 6 months of the intervention, and in a subsample over a second 6-month period. The evidence-based Supported Employment Fidelity Scale was used to measure the degree of implementation, which scored 71, signifying ‘good implementation’.

Clinical Implications

The results suggest that implementing evidence-based supported employment within an early intervention service increases employment and education opportunities for patients within the service.

Early intervention in psychosis: obstacles and opportunities

By focusing therapeutic effort on the early stages of psychotic disorders, effective early intervention should improve short- and long-term outcomes. Strategies include pre-psychotic and prodromal interventions to prevent emergence of psychosis, detecting untreated cases in the community and facilitating recovery in established cases of psychosis. The evidence base for each of these strategies is currently limited, although several international trials are under way. The Department of Health in the UK has announced the intention of setting up 50 early intervention services nationally, several of which are already operational. In this article, we briefly discuss the differing ways in which early intervention is conceptualised, summarise the evidence supporting it in established cases of psychosis, suggest appropriate service models and describe two early intervention services in south-west London.

Design and Methodology of the Korean Early Psychosis Cohort Study

The present study details the rationale and methodology of the Korean Early Psychosis Cohort Study (KEPS), which is a clinical cohort investigation of first episode psychosis patients from a Korean population. The KEPS is a prospective naturalistic observational cohort study that follows the participants for at least 2 years. This study includes patients between 18 and 45 years of age who fulfill the criteria for one of schizophrenia spectrum and other psychotic disorders according to the diagnostic criteria of DSM-5. Early psychosis is defined as first episode patients who received antipsychotic treatment for fewer than 4 consecutive weeks after the onset of illness or stabilized patients in the early stages of the disorder whose duration of illness was less than 2 years from the initiation of antipsychotic treatment. The primary outcome measures are treatment response, remission, recovery, and relapse. Additionally, several laboratory tests are conducted and a variety of objective and subjective psychiatric measures assessing early life trauma, lifestyle pattern, and social and cognitive functioning are administered. This long-term prospective cohort study may contribute to the development of early intervention strategies and the improvement of long-term outcomes in patients with schizophrenia.

Early intervention and evaluation for adult-onset psychosis: the JCEP study rationale and design

AIM

Psychotic disorders incur substantial long-term burdens to patients and society. Early intervention (EI) during the initial years of psychotic disorders can improve long-term outcome. In Hong Kong, a pilot EI programme (EASY, Early Assessment Service for Young people with psychosis) had been set up since 2001 to serve clients under 25 years of age. Although EASY has been effective in improving outcome, consolidation of early psychosis work requires further development.

METHODS

The present paper describes a new EI development which targets adult patients with psychosis in Hong Kong. The Jockey Club Early Psychosis (JCEP) project was launched in 2009. Expanding the service to patients above 25 years old, JCEP aims to deliver a territory-wide specialized EI service to adult-onset psychosis patients, to promote public awareness on early psychosis, and to research on the optimal intervention model and duration for early psychosis in a 4-year randomized controlled trial (RCT). Participants were randomly assigned to receive either 4 years of EI service, 2 years of EI service, or 4 years of standard care. Their symptoms, neurocognitive functions, psychosocial well-being and health economics were regularly assessed.

RESULTS

To date, 360 patients were recruited into the RCT, and 740 patients were recruited in a 2-year naturalistic study. Prospective, longitudinal follow-up assessments of these patients are still underway.

CONCLUSIONS

JCEP is the first EI project to provide adult early psychosis service in Chinese population. Future data would help to address the optimal duration of EI and its cost-effectiveness. This would also assist regional and international mental health development.

Physical performance and disability in schizophrenia

Despite 50 years of pharmacological and psychosocial interventions, schizophrenia remains one of the leading causes of disability. Schizophrenia is also a life-shortening illness, caused mainly by poor physical health and its complications. The end result is a considerably reduced lifespan that is marred by reduced levels of independence, with few novel treatment options available.

Disability is a multidimensional construct that results from different, and often interacting, factors associated with specific types and levels of impairment. In schizophrenia, the most poignant and well characterized determinants of disability are symptoms, cognitive and related skills deficits, but there is limited understanding of other relevant factors that contribute to disability. Here we conceptualize how reduced physical performance interacts with aging, neurobiological, treatment-emergent, and cognitive and skills deficits to exacerbate ADL disability and worsen physical health. We argue that clearly defined physical performance components represent underappreciated variables that, as in mentally healthy people, offer accessible targets for exercise interventions to improve ADLs in schizophrenia, alone or in combination with improvements in cognition and health. And, finally, due to the accelerated aging pattern inherent in this disease – lifespans are reduced by 25 years on average – we present a training model based on proven training interventions successfully used in older persons. This model is designed to target the physical and psychological declines associated with decreased independence, coupled with the cardiovascular risk factors and components of the metabolic syndrome seen in schizophrenia due to their excess prevalence of obesity and low fitness levels.

The UK national evaluation of the development and impact of Early Intervention Services (the National EDEN studies): study rationale, design and baseline characteristics

AIMS

National EDEN aims to evaluate the implementation and impact on key outcomes of somewhat differently configured Early Intervention Services (EIS) across sites in England and to develop a model of variance in patient outcomes that includes key variables of duration of untreated psychosis (DUP), fidelity to the EIS model and service engagement. The cohort is being followed up for two further years as patients are discharged, to observe the stability of change and the impact of the discharge settings.

METHODS

A longitudinal cohort study of patients with a first episode of a psychosis, managed by EIS in six services across England. Patients are followed up 12 months after inception, then up to 2 years following discharge. Measures of DUP, psychosis, social functioning and relapse were taken. User and carer experience of EIS were monitored over time; as was the fidelity of each EIS to national guidelines. Service use is costed for a health economic evaluation.

RESULTS

1027 people consented to the study of which 75% were successfully followed up at 12 months, with almost 100% data on treatment, relapse and recovery and service use.

CONCLUSIONS

National EDEN is the largest cohort study of young people with psychosis receiving care under EIS. It will be able definitively to indicate whether this major investment in the United Kingdom in EI is achieving meaningful change for its users in practice and provide indications concerning who does well under this approach and who does not, and the long-term stability of any improvements.

Distinctive trajectory groups of mental health functioning among assertive community treatment clients: an application of growth mixture modelling analysis

OBJECTIVE

Assertive community treatment (ACT) studies that have used conventional, statistical growth modelling methods have not examined different trajectories of outcomes or covariates that could influence different trajectories, even though heterogeneity in outcomes has been established in other research on severe mental illness. The purpose of our study was to examine the general trend in mental health functioning of ACT clients over a 2-year follow-up time period, to discover groups of ACT clients with distinctive longitudinal trajectories of mental health functioning, and to examine if some of the key sociodemographic and illness-related factors influence group membership.

METHOD

A 2-year, prospective, within-subjects study of 216 ACT clients within southern Ontario, collected functional outcome data at baseline and 12 and 24 months using the Colorado Client Assessment Record. Baseline covariates included sex, primary diagnosis, number of comorbidities, hospitalization history, and duration of illness. Growth mixture modelling (GMM) was used to examine trajectories.

RESULTS

Clinical staff assessments of ACT clients showed a statistically significant improvement in functioning and 84% achieved successful community tenure. GMM analysis identified 2 classes of ACT clients: class 1 (79.63% of clients) experienced lower and stable overall functioning, and class 2 (20.37%) showed a better baseline functioning score and improvement in the overall functioning over time. Class membership was predicted by the number of comorbidities and diagnosis.

CONCLUSIONS

Our study suggests general stability in overall functioning for the sampled ACT clients over 2 years, but significant heterogeneity in trajectories of functioning.

Are lay people good at recognising the symptoms of schizophrenia?

AIM

The aim of this study was to explore the general public's perception of schizophrenia symptoms and the need to seek-help for symptoms. The recognition (or 'labelling') of schizophrenia symptoms, help-seeking behaviours and public awareness of schizophrenia have been suggested as potentially important factors relating to untreated psychosis.

METHOD

Participants were asked to rate to what extent they believe vignettes describing classic symptoms (positive and negative) of schizophrenia indicate mental illness. They were also asked if the individuals depicted in the vignettes required help or treatment and asked to suggest what kind of help or treatment.

RESULTS

Only three positive symptoms (i.e., Hallucinatory behaviour, Unusual thought content and Suspiciousness) of schizophrenia were reasonably well perceived (above 70%) as indicating mental illness more than the other positive or negative symptoms. Even when the participants recognised that the symptoms indicated mental illness, not everyone recommended professional help.

CONCLUSION

There may be a need to improve public awareness of schizophrenia and psychosis symptoms, particularly regarding an awareness of the importance of early intervention for psychosis.

Early intervention for psychosis

BACKGROUND

Proponents of early intervention have argued that outcomes might be improved if more therapeutic efforts were focused on the early stages of schizophrenia or on people with prodromal symptoms. Early intervention in schizophrenia has two elements that are distinct from standard care: early detection, and phase-specific treatment (phase-specific treatment is a psychological, social or physical treatment developed, or modified, specifically for use with people at an early stage of the illness).Early detection and phase-specific treatment may both be offered as supplements to standard care, or may be provided through a specialised early intervention team. Early intervention is now well established as a therapeutic approach in America, Europe and Australasia.

OBJECTIVES

To evaluate the effects of: (a) early detection; (b) phase-specific treatments; and (c) specialised early intervention teams in the treatment of people with prodromal symptoms or first-episode psychosis.

SEARCH STRATEGY

We searched the Cochrane Schizophrenia Group Trials Register (March 2009), inspected reference lists of all identified trials and reviews and contacted experts in the field.

SELECTION CRITERIA

We included all randomised controlled trials (RCTs) designed to prevent progression to psychosis in people showing prodromal symptoms, or to improve outcome for people with first-episode psychosis. Eligible interventions, alone and in combination, included: early detection, phase-specific treatments, and care from specialised early intervention teams. We accepted cluster-randomised trials but excluded non-randomised trials.

DATA COLLECTION AND ANALYSIS

We reliably selected studies, quality rated them and extracted data. For dichotomous data, we estimated relative risks (RR), with the 95% confidence intervals (CI). Where possible, we calculated the number needed to treat/harm statistic (NNT/H) and used intention-to-treat analysis (ITT).

MAIN RESULTS

Studies were diverse, mostly small, undertaken by pioneering researchers and with many methodological limitations (18 RCTs, total n=1808). Mostly, meta-analyses were inappropriate. For the six studies addressing prevention of psychosis for people with prodromal symptoms, olanzapine seemed of little benefit (n=60, 1 RCT, RR conversion to psychosis 0.58 CI 0.3 to 1.2), and cognitive behavioural therapy (CBT) equally so (n=60, 1 RCT, RR conversion to psychosis 0.50 CI 0.2 to 1.7). A risperidone plus CBT plus specialised team did have benefit over specialist team alone at six months (n=59, 1 RCT, RR conversion to psychosis 0.27 CI 0.1 to 0.9, NNT 4 CI 2 to 20), but this was not seen by 12 months (n=59, 1 RCT, RR 0.54 CI 0.2 to 1.3). Omega 3 fatty acids (EPA) had advantage over placebo (n=76, 1 RCT, RR transition to psychosis 0.13 CI 0.02 to 1.0, NNT 6 CI 5 to 96). We know of no replications of this finding.The remaining trials aimed to improve outcome in first-episode psychosis. Phase-specific CBT for suicidality seemed to have little effect, but the single study was small (n=56, 1 RCT, RR suicide 0.81 CI 0.05 to 12.26). Family therapy plus a specialised team in the Netherlands did not clearly affect relapse (n=76, RR 1.05 CI 0.4 to 3.0), but without the specialised team in China it may (n=83, 1 RCT, RR admitted to hospital 0.28 CI 0.1 to 0.6, NNT 3 CI 2 to 6). The largest and highest quality study compared specialised team with standard care. Leaving the study early was reduced (n=547, 1 RCT, RR 0.59 CI 0.4 to 0.8, NNT 9 CI 6 to 18) and compliance with treatment improved (n=507, RR stopped treatment 0.20 CI 0.1 to 0.4, NNT 9 CI 8 to 12). The mean number of days spent in hospital at one year were not significantly different (n=507, WMD, -1.39 CI -2.8 to 0.1), neither were data for 'Not hospitalised' by five years (n=547, RR 1.05 CI 0.90 to 1.2). There were no significant differences in numbers 'not living independently' by one year (n=507, RR 0.55 CI 0.3 to 1.2). At five years significantly fewer participants in the treatment group were 'not living independently' (n=547, RR 0.42 CI 0.21 to 0.8, NNT 19 CI 14 to 62). When phase-specific treatment (CBT) was compared with befriending no significant differences emerged in the number of participants being hospitalised over the 12 months (n=62, 1 RCT, RR 1.08 CI 0.59 to 1.99).Phase-specific treatment E-EPA oils suggested no benefit (n=80, 1 RCT, RR no response 0.90 CI 0.6 to 1.4) as did phase-specific treatment brief intervention (n=106, 1 RCT, RR admission 0.86 CI 0.4 to 1.7). Phase-specific ACE found no benefit but participants given vocational intervention were more likely to be employed (n=41, 1 RCT, RR 0.39 CI 0.21 to 0.7, NNT 2 CI 2 to 4). Phase-specific cannabis and psychosis therapy did not show benefit (n=47, RR cannabis use 1.30 CI 0.8 to 2.2) and crisis assessment did not reduce hospitalisation (n=98, RR 0.85 CI 0.6 to 1.3). Weight was unaffected by early behavioural intervention.

AUTHORS' CONCLUSIONS

There is emerging, but as yet inconclusive evidence, to suggest that people in the prodrome of psychosis can be helped by some interventions. There is some support for specialised early intervention services, but further trials would be desirable, and there is a question of whether gains are maintained. There is some support for phase-specific treatment focused on employment and family therapy, but again, this needs replicating with larger and longer trials.

The Individual Placement and Support approach to vocational rehabilitation for young people with first episode psychosis in the UK

BACKGROUND

The onset of schizophrenia is associated with a pronounced decline in employment and educational attainment.

AIMS

The aim of this study was to evaluate the impact of implementing the Individual Placement and Support approach (supported employment) adapted to include supported education within an Early Intervention Team for young people with a first episode of psychosis in the UK.

METHOD

Demographic, clinical and vocational data were collected between November 2001 and July 2006 to evaluate the impact on service user vocational outcomes at 6, 12, 18 and 24 months. Individual vocational pathways are reported for the follow-up periods and fidelity to the implementation of the Individual Placement and Support (IPS) approach.

RESULTS

By 6 months, 69% of people were supported in open employment and mainstream education/training and this rose to 81% at 18 months. The open employment rate increased significantly from 13% at baseline to 48% at 18 months and this was maintained through to 24 months.

CONCLUSION

This study suggests that the IPS approach combined with supported education was effective at enabling a significant proportion of young people with a first episode of psychosis in a UK Early Intervention Service to gain/retain open employment and mainstream education.

Prediction of a single psychotic episode: a 7.5-year, prospective study in first-episode psychosis

BACKGROUND

Around 20% of patients who suffer from psychosis will experience a single psychotic episode (SPE), but relatively little is known about the characteristics and predictors for this group of patients. This study sought to: 1) characterise the subgroup of first-episode psychosis (FEP) patients who experienced a SPE over a 7.5-year follow-up; and 2) to identify significant predictors for this subgroup independent of potential confounders.

METHODS

A representative sample of 413 FEP patients treated at a specialist early psychosis service were assessed at baseline and followed-up for 7.5 years. Binary logistic regression models were employed to investigate univariate and adjusted associations between baseline predictors and experiencing a SPE. Results were adjusted for the influence of known prognostic factors for psychosis.

RESULTS

Follow-up data was available for 274 participants. Forty-six (16.5%) achieved clinical remission and experienced no recurrence over the follow-up period. Duration of untreated psychosis (DUP) shorter than 60 days (OR=3.89, p=0.007), more rapid response to antipsychotic treatment (OR=0.33, p=0.019) and no parental loss (OR=5.25, p=0.045) significantly predicted a SPE. The association remained significant after controlling for potential confounders.

CONCLUSIONS

Early treatment (within two months of onset of psychotic symptoms) and social support significantly reduce vulnerability to subsequent psychotic episodes. Future studies need to investigate the interplay between biological factors (i.e. sensitized dopaminergic system), environmental variables (i.e. exposure to trauma, stigma and discrimination), and psychological attributes (i.e. cognitive schemata) in order to elucidate the processes underlying the vulnerability to recurrent psychotic episodes.

Schizophrenia, an illness with bad outcome: myth or reality?

OBJECTIVE

Different myths about schizophrenia endorsed by clinicians maintain the pessimism about outcome thus reducing chances of improvement. There are no recent North American studies on the long-term outcome of first-episode schizophrenia to clarify if these beliefs are myths or reality. Our study describes the long-term outcome (10 to 16 years) of a first-episode schizophrenia incidence cohort (n = 142) in a Canadian urban centre between 1983 and 1999.

METHOD

Clinical and social functioning at different time points were assessed retrospectively from medical files of a catchment area hospital in Montreal. Service use and deaths were noted from provincial databases of physician billings, hospitalization, and vital statistics.

RESULTS

Hospitalization days decreased considerably after the first year, with a small minority still needing it episodically after 4 years. Marital and occupational status were generally stable over time, but autonomy in living arrangements worsened. Thirty-three percent of subjects quit the Catchment Area Specialized Psychiatric Services. This group showed better social functioning while they were followed, were hospitalized less afterwards, and had fewer suicides, therefore indicating a better outcome for them. At the end of our study, 15% of the patients still alive were well enough to function without seeking medical help and 25% were not taking antipsychotic medication. Better outcome was predicted by older age at admission, being married, higher premorbid autonomy in living arrangements, and female sex.

CONCLUSION

A significant proportion of first-episode schizophrenia patients achieve moderate long-term outcome, and the stability of global functioning is more frequent than deterioration, as shown in most industrialized countries.

First episode psychosis and employment: a review

Despite considerable growth in treatments, interventions, services and research of young people with a first episode of psychosis, little attention has been given to the priorities of these young people, in particular, gaining employment. A literature review was undertaken with the aim of investigating: 1) whether young people with a first episode of psychosis want to work, 2) what challenges they experience regarding work, 3) what is understood about employment outcomes, 4) what the most effective interventions to enable them to gain employment may be, and 5) what the associated costs may be. The review found that these young people appear to want to work yet face a range of psychological and social challenges to achieving this. Typically by the time they first come into contact with mental health services a proportion are already falling out of education and employment, and this decline continues with contact with services. However, there are specific interventions that can support them to gain employment. The Individual Placement and Support approach, adapted to include support to fulfil educational goals, has demonstrated that a mean of 69% of young people with a first episode of psychosis can gain education and employment compared to 35% of controls.

The MATISSE study: a randomised trial of group art therapy for people with schizophrenia

BACKGROUND

Art Therapy has been promoted as a means of helping people who may find it difficult to express themselves verbally engage in psychological treatment. Group Art Therapy has been widely used as an adjunctive treatment for people with schizophrenia but there have been few attempts to examine its effects and cost effectiveness has not been examined. The MATISSE study aims to evaluate the clinical and cost effectiveness of group Art Therapy for people with schizophrenia.

METHOD/DESIGN

The MATISSE study is a three-arm, parallel group, pragmatic, randomised, controlled trial of referral to group Art Therapy plus standard care, referral to an attention control 'activity' group plus standard care, or standard care alone. Study participants were recruited from inpatient and community-based mental health and social care services at four centres in England and Northern Ireland. Participants were aged over 18 years with a clinical diagnosis of schizophrenia, confirmed by an examination of case notes using operationalised criteria. Participants were then randomised via an independent and remote telephone randomisation service using permuted stacked blocks, stratified by site. Art Therapy and activity groups were made available to participants once a week for up to 12 months. Outcome measures were assessed by researchers masked to allocation status at 12 and 24 months after randomisation. Participants and care givers were aware which arm of the trial participants were allocated to. The primary outcomes for the study are global functioning (measured using the Global Assessment of Functioning scale) and mental health symptoms (measured using the Positive and Negative Syndrome Scale) assessed at 24 months. Secondary outcomes were assessed at 12 and 24 months and comprise levels of group attendance, social function, satisfaction with care, mental wellbeing, and costs.

DISCUSSION

We believe that this is the first large scale pragmatic trial of Art Therapy for people with schizophrenia.

TRIAL REGISTRATION

Current Controlled Trials ISRCTN46150447.

The abilities of improved schizophrenia patients to work and live independently in the community: a 10-year long-term outcome study from Mumbai, India

BACKGROUND

The outcome of first episode schizophrenia has several determinants. Socioecological factors, particularly living conditions, migration, community and culture, not only affect the level of risk but also the outcome. Mega cities around the world show a unique socioecological condition that has several challenges for mental health. The present study reports on the long-term status of patients with schizophrenia in such a mega city: Mumbai, India.

AIM

This study aims to reveal the long-term outcome of patients suffering from schizophrenia with special reference to clinical symptoms and social functioning.

METHODS

The cohort for this study was drawn from a 10-year follow-up of first episode schizophrenia. Patients having completed 10 years of consistent treatment after first hospitalisation were assessed on psychopathological and recovery criteria. Clinical as well as social parameters of recovery were evaluated. Descriptive statistics with 95% confidence intervals are provided.

RESULTS

Of 200 patients recruited at the beginning of this study, 122 patients (61%) were present in the city of Mumbai at the end of 10-year follow-up study period. Among 122 available patients, 101 patients (50.5%) were included in the assessment at the end of 10-year follow-up study period, 6 patients (3.0%) were excluded from the study due to changed diagnosis, and 15 patients (7.5%) were excluded due to admission into long-term care facilities. This indicates that 107 out of 122 available patients (87.7%) were living in the community with their families. Out of 101 (50.5%) patients assessed at the end of 10 years, 61 patients (30.5%) showed improved recovery on the Clinical Global Impression Scale, 40 patients (20%) revealed no improvement in the recovery, 43 patients (72.9%) were able to live independently, and 24 patients (40%) were able to find employment.

CONCLUSION

With 10 years of treatment, the recovery rate among schizophrenia patients in Mumbai was 30.5%. Among the patients, 87.7% of patients lived in the community, 72.9% of patients lived independently, and 40% of patients obtained employment. However, 60% of patients were unable to return to work, which highlights the need for continued monitoring and support to prevent the deterioration of health in these patients. It is likely that socioecological factors have played a role in this outcome.

A multi-site Canadian perspective: examining the functional outcome from first-episode psychosis

OBJECTIVE

To examine factors contributing to variance in functional outcome in first-episode psychosis (FEP) following 1 year of treatment.

METHOD

Naturalistic 1-year follow-up of a FEP cohort (n = 200), from programs in four university centers in Ontario, Canada. Functional recovery was defined by 'Social and Occupational Functioning Assessment Scale' (SOFAS) score>60. Regression analysis examined the contribution of independent variables to variance in functional outcome.

RESULTS

Twelve-month outcome measures were available for 76.5% of the original cohort. Of these, 70% reported being in school/work and in satisfactory relationships. The functional recovery rate was 51%, compared to 74% attaining symptomatic remission. The greatest contributors to variance in outcome were ongoing symptoms at 6 months and substance abuse comorbidity.

CONCLUSION

After 1 year of treatment, FEP patients show high rates of symptomatic remission and relatively lower rates of functional recovery. Symptoms and substance abuse contribute to variance in outcome.

Is the course and outcome of schizophrenia better in the 'developing' world?

Historically, poor outcome has often been considered to be an integral part of the concept of schizophrenia, though in recent times this has been challenged by many cross-cultural studies. In this article, we review various studies pertaining to course and outcome of schizophrenia to have an understanding about variations in course and outcome of schizophrenia across cultures and nations. For better appraisal, the research studies have been divided into studies prior to cross-cultural World Health Organization (WHO) sponsored studies (Pre-WHO studies), WHO sponsored cross-cultural studies, and studies on course and outcome of schizophrenia not sponsored by WHO. We believe that the evidence arising from various studies across the globe largely supports the 'favorable outcome hypothesis in developing countries', i.e. developing countries have a larger proportion of patients with a good outcome and lesser percentage with a worst outcome as compared to developed countries, albeit amidst the controversies discussed by us. We suggest that in course and outcome studies, culture should not be used as a synonym for unexplained variance and research designs focusing at other potential factors impacting course and outcome of schizophrenia are much needed.

Course of illness in a sample of 265 patients with first-episode psychosis--five-year follow-up of the Danish OPUS trial

There is an ongoing debate as to whether psychosis is a progressively deteriorating illness or one of progressive amelioration. This paper aims at investigating the rate of recovery and institutionalization and predicting a continuous illness course in a descriptive prospective study of a sub-sample of the OPUS trial of 265 first-episode psychotic patients after five years. Recovery, defined as no psychotic or negative symptoms, living independently, GAF (f)>59, working or studying, was reached for 18% after five years, whereas 13% were institutionalized either at hospital or supported housing after five years. Male gender (OR 1.9, 95% CI 1.06 to 3.23), premorbid social functioning (OR 1.2, 95% CI 1.01 to 1.33), psychotic symptoms (OR 1.3, 95% CI 1.07 to 1.66), and negative symptoms (OR 1.3, 95% CI 1.01 to 1.67) were found to predict a continuous illness course at five-year follow-up. Rates of recovery and institutionalization contradict the assumption that the illness deteriorates progressively, since no changes in the rates are seen from two to five years.

Beyond the critical period: longitudinal study of 8-year outcome in first-episode non-affective psychosis

BACKGROUND

The critical period hypothesis proposes that deterioration occurs aggressively during the early years of psychosis, with relative stability subsequently. Thus, interventions that shorten the duration of untreated psychosis (DUP) and arrest early deterioration may have long-term benefits.

AIMS

To test the critical period hypothesis by determining whether outcome in non-affective psychosis stabilises beyond the critical period and whether DUP correlates with 8-year outcome; to determine whether duration of untreated illness (DUI) has any independent effect on outcome.

METHOD

We recruited 118 people consecutively referred with first-episode psychosis to a prospective, naturalistic cohort study.

RESULTS

Negative and disorganised symptoms improved between 4 and 8 years. Duration of untreated psychosis predicted remission, positive symptoms and social functioning at 8 years. Continuing functional recovery between 4 and 8 years was predicted by DUI.

CONCLUSIONS

These results provide qualified support for the critical period hypothesis. The critical period could be extended to include the prodrome as well as early psychosis.

Symptomatic remission in a multiracial urban population of older adults with schizophrenia

OBJECTIVE

Symptomatic remission has been reported in younger patients with schizophrenia. This study aims to determine the prevalence of symptomatic remission in older adults with schizophrenia.

METHODS

The Schizophrenia Group consisted of 198 persons aged 55+ years living in the community who developed schizophrenia before age 45 years. Our definition of remission was adapted from the criteria of the Remission in Schizophrenia Working Group. To attain remission, persons had to have scores of <3 on eight domains of the Positive and Negative Symptom Scale and no hospitalizations within the previous year. Using George's Social Antecedent Model, we examined the association of remission with 18 predictor variables.

RESULTS

Forty-nine percent of the sample met the criteria for symptomatic remission. In logistic regression analysis, four variables--fewer total network contacts, greater proportion of intimates, fewer lifetime traumatic events, and higher Dementia Rating Scale scores--were significantly associated with remission.

CONCLUSIONS

Remission rates were consistent with those reported in younger samples. Our findings suggest that symptomatic remission is an attainable goal and that treatments focused on those variables associated with remission may augment outcomes in older persons with schizophrenia.

Cerebrospinal fluid: identification of diagnostic markers for schizophrenia

Schizophrenia is a complex neuropsychiatric disease but, despite extensive research efforts over the last 100 years, the etiology of this disorder remains elusive. Diagnosis is still based on a subjective, interview-based process, which may not align with the biological underpinnings of the symptoms. This old-fashioned descriptive approach contributes to the low treatment success and impedes early intervention, which is thought to be crucial for successful therapy. Therefore, there is an urgent need to discover biochemical analytes that facilitate an objective and reliable diagnosis. Disease markers might also have utility for tracking treatment success and compliance, as well as the discovery of novel drug targets. For schizophrenia and psychiatric disorders at large, analyzing cerebrospinal fluid (CSF) is an intuitive choice due to its close proximity to the brain and its clinical accessibility in the living patient. Although numerous studies have aimed to identify potential diagnostic markers in the CSF of schizophrenia patients, as yet not one has found its way to clinical application. Here, we review molecular alterations of proteins and metabolites that have been identified in schizophrenia CSF and discuss their potential applicability as diagnostic markers.

One-year outcome and its prediction in first-episode schizophrenia--a naturalistic study

BACKGROUND

The literature suggests that the early course of schizophrenia is a strong predictor of long-term outcome. We sought to test this notion in a sample of first-episode patients.

SAMPLING AND METHODS

Forty patients with a first episode of DSM-IV diagnoses of schizophrenia, schizoaffective, or schizophreniform disorder were assessed with well-established instruments such as the Positive and Negative Syndrome Scale and the Strauss-Carpenter Scale. Reassessment was performed 14 months later and included the Global Assessment of Functioning Scale in addition to the aforementioned instruments and a psychiatric interview. Regression analyses for the Global Assessment of Functioning Scale and symptomatology were used to identify outcome predictors.

RESULTS

At follow-up, 27 patients (67.5%) were in remission. Women's outcome was significantly better with respect to intimate relationships and domiciliary independence. Although symptomatology of the whole group remained stable during the follow-up period, a subgroup of patients experienced a significant decrease in symptom levels whereas symptoms increased in another subgroup. The most important predictor of outcome was compliance with atypical antipsychotic medication during the follow-up period.

CONCLUSIONS

These results suggest that there is a prognostic divide early in the course of the disease, that compliance with medication is of overriding importance towards 1-year outcome, and that for the individual patient the question of chronicity may be answered very early in the course of the disease.

A multisite Canadian study of outcome of first-episode psychosis treated in publicly funded early intervention services

OBJECTIVE

The aim of this study was to determine 1-year symptomatic outcome and its predictors in patients with FEP treated at 3 different publicly funded sites.

METHOD

We evaluated FEP patients (n = 172) treated in specialized programs in 2 medium-sized centres and 1 large urban centre with an identical protocol for demographic variables, diagnosis, and duration of untreated psychosis (DUP) at entry, and positive, negative, and general psychopathology symptoms at entry, 6 months, and 1 year. We used a mixed model analysis of variance, with time and centre and interaction between time and centre as fixed effects and sex and DUP as covariates, to analyze data.

RESULTS

A significant effect of time and time x centre interaction on positive, negative, and general symptom outcome was shown after controlling for ethnicity, education, and diagnosis. Patients showed significantly better outcome on all dimensions of symptoms in the 2 medium-sized centres, compared with the 1 large urban centre. Sex had a significant effect on negative and general symptoms, while DUP had no effect on any outcome measure.

CONCLUSIONS

Similarly enriched EI services may produce different outcomes, even within a relatively homogeneous mental health system.

Compliance with refilling prescriptions for atypical antipsychotic agents and its association with the risks for hospitalization, suicide, and death in patients with schizophrenia in Quebec and Saskatchewan: a retrospective database study

OBJECTIVE

The objective of this analysis was to describe the patterns of compliance with atypical antipsychotics among patients with schizophrenia in actual practice in 2 Canadian provinces and to examine the relation between degrees of compliance and the risks of hospitalization, suicide, and death.

METHODS

Adults with a diagnosis of schizophrenia who filled at least 1 prescription for risperidone, olanzapine, or quetiapine were identified in the Quebec public prescription drug insurance plan database (from July 1, 2001, to December 31, 2004) and the Saskatchewan Health database (from January 1, 1999, to December 31, 2003). Compliance was assessed based on the medication possession ratio, which was estimated as the proportion of days for which medication was available over each month of follow-up (> or = 80% = good compliance; 50%-79% = moderate compliance; < 50% = poor compliance). The association between the early and long-term effects of compliance and the risks of hospitalization, suicide, and death were examined using Cox regression, with adjustment for baseline age, sex, and use of antidepressants, sedatives, and lithium (Quebec only).

RESULTS

respective 41,754 and 3291 patients were identified from the Quebec and Saskatchewan databases. Approximately half of the patients in each cohort were male and were aged < 45 years. Many patients had good compliance over the full follow-up period (Quebec, 61%; Saskatchewan, 45%); however, poor compliance was seen in 23% of patients from Quebec and 34% of those from Saskatchewan. Compared with poor compliance, the long-term effect of good compliance was associated with a significantly decreased risk of all-cause hospitalization (Quebec: adjusted hazard ratio [HR] = 0.60; 95% CI, 0.57-0.64; Saskatchewan: adjusted HR = 0.81; 95% CI, 0.69-0.95) and psychosis-related hospitalization (Quebec: adjusted HR = 0.37; 95% Cl, 0.34-0.40; Saskatchewan: adjusted HR = 0.45; 95% CI, 0.32-0.64). The Quebec data also indicated a significant association between good versus poor compliance and a decreased risk of death (adjusted HR = 0.58; 95% CI, 0.51-0.66) and suicide (adjusted HR = 0.68; 95% CI, 0.55-0.84) that was not observed in Saskatchewan.

CONCLUSION

In this retrospective analysis of patients with schizophrenia in Quebec and Saskatchewan, good compliance with atypical antipsychotic medications was associated with substantial reductions in the risk for all-cause and psychosis-related hospitalizations.

Early Psychosis Prevention and Intervention Centre long-term follow-up study of first-episode psychosis: methodology and baseline characteristics

AIM

This paper reports the rationale, methodology and baseline characteristics of a large long-term follow-up study of first-episode psychosis from a geographically defined catchment area.

METHOD

A total of 723 first-episode psychosis patients were recruited from a specialized early psychosis service between 1989 and 2001 and prospectively followed up at a median of 7.4 years after initial presentation. Participants' baseline demographic, clinical and functional characteristics are described. Sampling bias at study recruitment was assessed by comparison with a more complete sample of Early Psychosis Prevention and Intervention Centre (EPPIC) cases rated directly from the medical records.

RESULTS

  At baseline, 57% of the sample were diagnosed with schizophrenia or schizophreniform disorder, whereas the full range of psychotic disorders was represented. Statistical analysis confirmed that the sample recruited was representative of total EPPIC-treated incident cases.

CONCLUSIONS

The EPPIC long-term follow-up study is a large and epidemiologically representative first-episode psychosis cohort that has been subsequently prospectively followed up over a long period. Such a sample provides a rare opportunity to study the course and outcome of psychotic disorders.

Aging and visual motion discrimination in normal adults and schizophrenia patients

Motion perception is impaired in many neuropathological conditions, including schizophrenia. Motion perception also declines in the course of normal aging. In this study, we ask whether aging is an additive factor in the motion-discrimination deficits of schizophrenia patients. We examined motion perception in schizophrenia patients (n=44) and non-psychiatric controls (n=40) whose ages ranged from 18 to 55. The tasks included velocity discrimination and contrast detection. Thresholds for each of the two tasks were determined for each subject using psychophysical methods. Schizophrenia patients showed significantly increased thresholds (degraded performance) for velocity discrimination compared with the controls. Degraded performance in patients was not related to age. In controls, however, velocity discrimination thresholds were significantly increased beginning by age 45. Performance on a contrast-detection task, which does not require precise discrimination of motion signals, was not significantly affected by age in either group. Aging, even in its early stages, degrades motion discrimination in normal adults. Aging, however, does not adversely affect motion-discrimination deficits in schizophrenia patients through age 55. A similar motion-discrimination deficit in schizophrenia patients and aging normal adults suggests that the mechanisms underlying motion processing in schizophrenia and normal aging may be associated.

Early intervention for psychosis

BACKGROUND

Proponents of early intervention have argued that outcome might be improved if more therapeutic efforts were focused on the early stages of schizophrenia or on people with prodromal symptoms. Early intervention in schizophrenia has two elements that are distinct from standard care: early detection and phase-specific treatment. Both elements may be offered as supplements to standard care, or may be provided through a specialised early intervention team. Early intervention is now well established as a therapeutic approach in America, Europe and Australasia, but it is unclear how far early detection, phase-specific treatments, and the use of early intervention teams are underpinned by evidence of effectiveness.

OBJECTIVES

To evaluate the effects of: (a) early detection; (b) phase-specific treatments; and (c) specialised early intervention teams in the treatment of people with prodromal symptoms or first episode psychosis.

SEARCH STRATEGY

We searched CINAHL (1982-2002), The Cochrane Controlled Trials Register (November 2001), The Cochrane Schizophrenia Group Register (July 2003), EMBASE (1980-2002), MEDLINE (1966-2002), PsycINFO (1967-2002), reference lists and contacted the European First Episode Network (2003). For the 2006 update we searched the Cochrane Schizophrenia Group's register.

SELECTION CRITERIA

We included all randomised controlled trials designed to prevent progression to psychosis in people showing prodromal symptoms, or to improve outcome for people with first episode psychosis. Eligible interventions, alone and in combination, included early detection, phase-specific treatments, and care from specialised early intervention teams. We accepted cluster-randomised trials but excluded non-randomised trials.

DATA COLLECTION AND ANALYSIS

We reliably selected studies, quality rated them and extracted data. For dichotomous data, we estimated relative risks (RR), with the 95% confidence intervals (CI). Where possible, we calculated the number needed to treat/harm statistic (NNT/H) and used intention-to-treat analysis (ITT).

MAIN RESULTS

We included seven studies with a total of 941 participants. Six studies were small with numbers of participants ranging between 56 and 83, and one study randomised 547 people. None of the studies had similar interventions and therefore they were analysed separately. One small Australian trial (n=59) was concerned with a phase-specific intervention (low dose risperidone and cognitive behavioural therapy) for people with prodromal symptoms. This group were significantly less likely to develop psychosis at a six month follow up than people who only received care from a specialised team which did not involve phase-specific treatment (n=59, RR 0.27 CI 0.1 to 0.9, NNT 4 CI 2 to 20). This effect was not significant at 12 month follow up (n=59, 1 RCT, RR 0.54 CI 0.2 to 1.3). A UK-based study (EDIE) randomised 60 people with prodromal symptoms, to cognitive behavioural therapy (CBT) or a monitoring group. Only two outcomes were reported: leaving the study early and transition to psychosis, both sets of data were non-significant. A Chinese trial used a phase-specific intervention (family therapy) plus out patient care trial for people in their first episode of psychosis and found reduced admission rates care compared with those who received only outpatient care (n=83, RR 0.28 CI 0.1 to 0.6, NNT 3 CI 2 to 6). The applicability of this finding was, however, questionable. One Dutch study (n=76) comparing phase-specific intervention (family therapy) plus specialised team with specialised team for people in their first episode of schizophrenia found no difference between intervention and control groups at 12 months for the outcome of relapse (n=76, RR 1.05 CI 0.4 to 3.0). The large Scandinavian study (n=547) allocated people with first episode schizophrenia to integrated treatment (assertive community treatment plus family therapy, social skills training and a modified medication regime) or standard care. Global state outcome GAF significantly favoured integrated treatment (n=419, WMD -3.71 CI -6.7 to -0.7) by one year, but by two years data were non-significant. Rates of attrition were significantly lower (n=547, RR 0.59 CI 0.4 to 0.8, NNT 9 CI 6 to 18) for integrated treatment by one and two year follow-up. PRIME (USA) was the only double blind study and allocated people with prodromal symptoms to olanzapine or placebo. No significant differences were found between olanzapine and placebo in preventing conversion to psychosis by about 12 months (n=60, RR 0.58 CI 0.3 to 1.2). Clinical Global Impression change scores 'severity of illness' were equivocal by 12 months. Scale of Prodromal Symptoms (SOPS) scores were also equivocal and the PANSS, total, positive and negative outcomes were non-significant. There were no significant differences between the olanzapine and placebo group on adverse effects rating scales - SAS, BAS and AIMS scores; Weight gain was significantly higher in the olanzapine group (n=59, WMD 7.63 CI 4.0 to 11.2) by 12 months. Finally one more Australian study included people in their first episode of psychosis who were acutely suicidal and allocated people to phase-specific cognitively orientated therapy or standard care. Outcome data for leaving the study early and suicide were equivocal.

AUTHORS' CONCLUSIONS

We identified insufficient trials to draw any definitive conclusions. The substantial international interest in early intervention offers an opportunity to make major positive changes in psychiatric practice, but making the most of this opportunity requires a concerted international programme of research to address key unanswered questions.

Specialised care for early psychosis: symptoms, social functioning and patient satisfaction: randomised controlled trial

BACKGROUND

The provision of early intervention services for people with psychosis is UK government policy, although evidence for benefit of such services is sparse.

AIMS

To evaluate the effects of a service providing specialised care for early psychosis (the Lambeth Early Onset Team) on clinical and social outcomes, and on service user satisfaction.

METHOD

One hundred and forty-four people with psychosis, presenting to mental health services for the first or second time (if previously failed to engage in treatment), were randomly allocated to care by the early onset team or to standard care. Information was obtained on symptoms, treatment adherence, social and vocational functioning, satisfaction and quality of life. Relapse and rehospitalisation data have been reported separately.

RESULTS

Outcomes for the participants treated by the early onset team were significantly better at 18 months for aspects of social and vocational functioning, satisfaction, quality of life and medication adherence. Symptom improvement did not significantly differ between the groups.

CONCLUSIONS

The provision of specialised care for early psychosis can achieve better outcomes. The study therefore provides support for current policy.

Eleven-year clinical outcome of schizophrenia in Bali

OBJECTIVE

To contrast the short-term and long-term outcome of schizophrenia in Bali.

METHOD

The clinical outcomes of 46 schizophrenic patients (DSM-IV-TR) consecutively admitted to Bangli Mental Hospital were evaluated by Positive and Negative Syndrome Scale (PANSS) and Eguma's Social Adjustment Scale (ESAS) at a 11-year follow-up, which was subsequent to a 5-year follow-up.

RESULTS

Neither the PANSS score nor the ESAS score were significantly different, and there was a significant correlation between the two follow-up data. Subjects categorized into either the best or worst outcome group at the 5-year follow-up tended to be classified into the same category at the 11-year follow-up more often than those who were categorized into the medium outcome groups at the 5-year follow-up.

CONCLUSION

The 5-year outcome of schizophrenia strongly predicted the 11-year outcome, especially for subjects who had gone into either a remissive or severe deterioration state within 5 years.

Longitudinal follow-up in acute and transient psychotic disorders and schizophrenia

We prospectively studied the long-term course of individuals with acute and transient psychotic disorders and a control group with positive schizophrenia matched for age and gender. Follow-up investigations using standardised instruments were performed at three time-points covering 7 years after the index episode or 12 years after the first episode. During follow-up, those with positive schizophrenia experienced a deterioration in their general functioning whereas those with acute and transient psychotic disorders retained their high level of functioning. At the end of the observation period, 12 out of 39 (31%) of those with acute and transient psychotic disorders were functioning well without medication compared with 0 out of 38 with positive schizophrenia.

Older people with chronic schizophrenia

Older people with chronic schizophrenia are a numerically small but important group with complex clinical and service needs. Along with a reduction in positive schizophrenic symptoms with increasing age, a majority suffer from negative symptoms, cognitive deficits, depression, side effects due to long-term use of antipsychotics and co-morbid medical problems. They may have social disabilities making them vulnerable to poverty, isolation and poor quality of life. Evidence suggests that judicious use of antipsychotics combined with psychotherapy and psychosocial interventions are effective. There are shortcomings in the standard of both hospital and community care, and the cost implications of providing adequate services are high.

Stability and prediction of schizophrenia from adolescence to adulthood

Stability of schizophrenia diagnosis from adolescence to adulthood, antecedents of schizophrenia, and differences in developmental and behavioural histories between subjects with early onset schizophrenia (EOS) and with adult onset schizophrenia (AOS) were investigated in 145 adult subjects diagnosed with mental disorders in adolescence and re-diagnosed on the basis of medical records according to DSM-IV.A very high diagnostic stability schizophrenia was demonstrated at the 28-year follow-up. Several factors, including neurological adversities, delayed language development, low IQ, and congenital functional disability, differentiated significantly between schizophrenic subjects and non-schizophrenic subjects. Histories of concussion, physical abuse, parental divorce, and unstable familial context differentiated significantly between EOS and AOS subjects. Our findings support earlier evidence of schizophrenia being a chronic disorder with high diagnostic stability, and confirm the importance of neurological adversities, delayed language development, and low IQ as factors predictive of schizophrenia. Exploration of four case histories of AOS subjects delineates "pre-schizophrenic warning cluster" where combination of neurological adversities, temperamental problems, antisocial behaviour, preference for solitary play, and unstable family system constitute main factors.