Diet and Neurocognition in Mood Disorders - An Overview of the Overlooked.

Bipolar disorder and major depression are associated with significant disability, morbidity, and reduced life expectancy. People with mood disorders have shown higher ratios of unhealthy lifestyle choices, including poor diet quality and suboptimal nutrition. Diet and nutrition impact on brain /mental health, but cognitive outcomes have been less researched in psychiatric disorders. Neurocognitive dysfunction is a major driver of social dysfunction and a therapeutic target in mood disorders, although effective cognitive-enhancers are currently lacking. This narrative review aimed to assess the potential cognitive benefits of dietary and nutritional interventions in subjects diagnosed with mood disorders. Eight clinical trials with nutrients were identified, whereas none involved dietary interventions. Efficacy to improve select cognitive deficits has been reported, but results are either preliminary or inconsistent. Methodological recommendations for future cognition trials in the field are advanced. Current evidence and future views are discussed from the perspectives of precision medicine, clinical staging, nutritional psychiatry, and the brain-gut-microbiota axis.

Day hospital versus outpatient care for people with schizophrenia.

BACKGROUND: This review considers the use of day hospitals as an alternative to outpatient care. Two types of day hospital are covered by the review: 'day treatment programmes' and 'transitional' day hospitals. Day treatment programmes offer more intense treatment for people who have failed to respond to outpatient care. Transitional day hospitals offer time-limited care to people who have just been discharged from inpatient care. OBJECTIVES: To assess effects of day hospital care as an alternative to continuing outpatient care for people with schizophrenia and and other similar severe mental illness. SEARCH STRATEGY: We searched the Cochrane Schizophrenia Group Trials Register (May 2009) and references of all identified studies for further citations. If necessary, we also contacted authors of trials for further information. SELECTION CRITERIA: Randomised controlled trials comparing day hospital care with outpatient care for those with schizophrenia and other similar severe mental illness. DATA COLLECTION AND ANALYSIS: We extracted and cross-checked data independently. We analysed dichotomous data using fixed-effect relative risk (RR) and estimated the 95% confidence interval (CI). If continuous data were included, we analysed this data using the random-effects weighted mean difference (MD) with a 95% confidence interval. MAIN RESULTS: We identified four relevant trials all dating from before 1986 (total n=309 participants); all but one of which (n=37) evaluated day treatment centres. Across time less people allocated to day hospital care tend to be admitted to hospital (beyond one year: n=242, 2 RCTs, RR 0.71 CI 0.56 to 0.89 day treatment centres) but data are heterogeneous (I(2) =74% P=0.05) and should not be taken into account. Data on time spent as an inpatient seem to support this finding but are poorly reported. We found no clear difference between day hospital and outpatient care for the outcome of 'lost to follow up' (at six months: n=147, 3 RCTs, RR 0.97 CI 0.48 to 1.95; at 12 months: n=117, 2 RCTs, RR 0.97 CI 0.48 to 1.95 day treatment centres / transitional day hospital). Scale derived findings on social functioning are equivocal (SAS: n=37, 1 RCT, MD 0.36 CI -0.07 to 0.79 transitional day hospital) but there was some suggestion from small studies that day hospital care may decrease the risk of unemployment (at 12 months: n=80, 1 RCT, RR 0.86 CI 0.69 to 1.06 day treatment centre). Different measures of mental state showed no convincing effect (Symptom Check List: n=30, 1 RCT, MD -90 0.31 CI -0.20 to 0.82 day treatment centre). Poorly reported economic data from decades ago suggested that day hospitals were more costly to establish and run than outpatient care but took no account of other costs such as inpatient stay. AUTHORS' CONCLUSIONS: Evidence is limited and dated. Day hospital care may help avoid inpatient care but data are lacking on missing on a raft of outcomes that are now considered important, such as quality of life, satisfaction, healthy days, and cost.

Effectiveness evaluation of mood disorder treatment algorithms in Brazilian public healthcare patients.

OBJECTIVE: To assess the effectiveness of three mood disorder treatment algorithms in a sample of patients seeking care in the Brazilian public healthcare system. METHODS: A randomized pragmatic trial was conducted with an algorithm developed for treating episodes of major depressive disorder (MDD), bipolar depressive episodes and mixed episodes of bipolar disorder (BD). RESULTS: The sample consisted of 259 subjects diagnosed with BD or MDD (DSM-IV-TR). After the onset of symptoms, the first treatment occurred ∼6 years and the use of mood stabilizers began ∼12 years. All proposed algorithms were effective, with response rates around 80%. The majority of the subjects took 20 weeks to obtain a therapeutic response. CONCLUSIONS: The algorithms were effective with the medications available through the Brazilian Unified Health System. Because therapeutic response was achieved in most subjects by 20 weeks, a follow-up period longer than 12 weeks may be required to confirm adequate response to treatment. Remission of symptoms is still the main desired outcome. Subjects who achieved remission recovered more rapidly and remained more stable over time. CLINICAL TRIAL REGISTRATION: NCT02901249, NCT02870283, NCT02918097.

Behavioural effects of acute phenylalanine and tyrosine depletion in healthy male volunteers.

Acute phenylalanine and tyrosine depletion (APTD) studies have been used to assess the role of the cathecholaminergic system in various aspects of human behaviour. In this study we conducted a randomized, double-blind, controlled and cross-over comparison to evaluate the effects of APTD on memory, attention and mood in normal subjects. Twelve healthy male volunteers were included in this study. The subjects ingested a nutritionally balanced mixture (B) or a similar mixture deficient in phenylalanine and tyrosine (PT-). Before and 5 h after ingestion of the drink, volunteers underwent tests on mood, memory and attention. Results of the memory tests showed that PT- mixture impaired word recall as measured in Rey's test (p = 0.016). The assessment of changes in mood showed that the balanced mixture improved scores of as alertness (VAMS factor I, p = 0.037) and the PT- mixture induces an opposite effect, increased scores of anxiety (Profiles of Mental State composed-anxious dimension, p = 0.022). These results suggest that tyrosine plasma levels and cathecholamines may be important factors in regulating mood and memory.

Effectiveness evaluation of mood disorder treatment algorithms in Brazilian public healthcare patients

Objective: To assess the effectiveness of three mood disorder treatment algorithms in a sample of patients seeking care in the Brazilian public healthcare system. Methods: A randomized pragmatic trial was conducted with an algorithm developed for treating episodes of major depressive disorder (MDD), bipolar depressive episodes and mixed episodes of bipolar disorder (BD). Results: The sample consisted of 259 subjects diagnosed with BD or MDD (DSM-IV-TR). After the onset of symptoms, the first treatment occurred ∼6 years and the use of mood stabilizers began ∼12 years. All proposed algorithms were effective, with response rates around 80%. The majority of the subjects took 20 weeks to obtain a therapeutic response. Conclusions: The algorithms were effective with the medications available through the Brazilian Unified Health System. Because therapeutic response was achieved in most subjects by 20 weeks, a follow-up period longer than 12 weeks may be required to confirm adequate response to treatment. Remission of symptoms is still the main desired outcome. Subjects who achieved remission recovered more rapidly and remained more stable over time. Clinical trial registration: NCT02901249, NCT02870283, NCT02918097