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1.
Mol Psychiatry ; 28(8): 3231-3242, 2023 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-37386057

RESUMO

Bipolar disorder's core feature is the pathological disturbances in mood, often accompanied by disrupted thinking and behavior. Its complex and heterogeneous etiology implies that a range of inherited and environmental factors are involved. This heterogeneity and poorly understood neurobiology pose significant challenges to existing drug development paradigms, resulting in scarce treatment options, especially for bipolar depression. Therefore, novel approaches are needed to discover new treatment options. In this review, we first highlight the main molecular mechanisms known to be associated with bipolar depression-mitochondrial dysfunction, inflammation and oxidative stress. We then examine the available literature for the effects of trimetazidine in said alterations. Trimetazidine was identified without a priori hypothesis using a gene-expression signature for the effects of a combination of drugs used to treat bipolar disorder and screening a library of off-patent drugs in cultured human neuronal-like cells. Trimetazidine is used to treat angina pectoris for its cytoprotective and metabolic effects (improved glucose utilization for energy production). The preclinical and clinical literature strongly support trimetazidine's potential to treat bipolar depression, having anti-inflammatory and antioxidant properties while normalizing mitochondrial function only when it is compromised. Further, trimetazidine's demonstrated safety and tolerability provide a strong rationale for clinical trials to test its efficacy to treat bipolar depression that could fast-track its repurposing to address such an unmet need as bipolar depression.


Assuntos
Transtorno Bipolar , Trimetazidina , Humanos , Trimetazidina/farmacologia , Trimetazidina/uso terapêutico , Vasodilatadores/farmacologia , Vasodilatadores/uso terapêutico , Transtorno Bipolar/tratamento farmacológico , Angina Pectoris/tratamento farmacológico , Antioxidantes
2.
Acta Psychiatr Scand ; 2024 Jul 12.
Artigo em Inglês | MEDLINE | ID: mdl-39001570

RESUMO

BACKGROUND: Monoamine oxidase inhibitors (MAOIs) are considered third-line treatments for treatment resistant depression; however, they are underused in clinical practice. AIMS: This study aimed to assess the efficacy, tolerability, and acceptability of MAOIs for the treatment of depression in comparison with other antidepressant treatments. METHODS: A systematic review and network meta-analysis of randomised clinical trials was performed to compare the efficacy, tolerability and acceptability between MAOIs and other antidepressant treatments for the treatment of depressive episodes. RESULTS: A total of 83 double-blinded, randomised controlled trials were included in the analysis, with 7765 participants assigned to an active treatment and 1844 assigned to placebo. Several MAOIs, including isocarboxazid, phenelzine, tranylcypromine and moclobemide, showed significantly higher efficacy compared with placebo. The tolerability and acceptability of MAOIs was comparable to other antidepressants. LIMITATIONS: A disproportionate number of studies investigating the most commonly used MAOIs, such as moclobemide and phenelzine, and a lack of specific studies focusing on treatment-resistant and atypical depression. CONCLUSIONS: MAOIs are similar in efficacy to other antidepressants for the treatment of depression. However, more studies are needed comparing MAOI treatment in people with treatment-resistant, atypical and bipolar depression.

3.
Acta Psychiatr Scand ; 150(4): 209-222, 2024 Oct.
Artigo em Inglês | MEDLINE | ID: mdl-38994686

RESUMO

BACKGROUND: Lifestyle factors are being increasingly studied in bipolar disorder (BD) due to their possible effects on both course of disease and physical health. The aim of this study was to jointly describe and explore the interrelations between diet patterns, exercise, pharmacological treatment with course of disease and metabolic profile in BD. METHODS: The sample consisted of 66 euthymic or mild depressive individuals with BD. Clinical and metabolic outcomes were assessed, as well as pharmacological treatment or lifestyle habits (diet and exercise). Correlations were explored for different interrelations and a factor analysis of dietary patterns was performed. RESULTS: Adherence to the Mediterranean diet was low, seen in 37.9% of the patients and was positively associated with perceived quality of life. The amount of exercise was negatively associated with cholesterol levels, with 32.8% of participants rated as low active by International Physical Activity Questionnaire. There was a high prevalence of obesity (40.6%) and metabolic syndrome (29.7%). Users of lithium showed the best metabolic profile. Interestingly, three dietary patterns were identified: "vegetarian," "omnivore" and "Western." The key finding was the overall positive impact of the "vegetarian" pattern in BD, which was associated with reduced depression scores, better psychosocial functioning, and perceived quality of life, decreased body mass index, cholesterol, LDL and diastolic blood pressure. Nuts consumption was associated with a better metabolic profile. CONCLUSIONS: A vegetarian diet pattern was associated with both, better clinical and metabolic parameters, in patients with BD. Future studies should prioritize prospective and randomized designs to determine causal relationships, and potentially inform clinical recommendations.


Assuntos
Transtorno Bipolar , Dieta Vegetariana , Exercício Físico , Síndrome Metabólica , Humanos , Transtorno Bipolar/tratamento farmacológico , Transtorno Bipolar/terapia , Masculino , Feminino , Adulto , Pessoa de Meia-Idade , Síndrome Metabólica/dietoterapia , Síndrome Metabólica/terapia , Dieta Mediterrânea , Qualidade de Vida , Estilo de Vida , Antimaníacos/uso terapêutico , Compostos de Lítio/uso terapêutico , Compostos de Lítio/administração & dosagem , Padrões Dietéticos
4.
Acta Psychiatr Scand ; 149(1): 52-64, 2024 01.
Artigo em Inglês | MEDLINE | ID: mdl-38030136

RESUMO

BACKGROUND: Bipolar disorder (BD) is a chronic and recurrent disease characterized by acute mood episodes and periods of euthymia. The available literature postulates that a biphasic dysregulation of mitochondrial bioenergetics might underpin the neurobiology of BD. However, most studies focused on inter-subject differences rather than intra-subject variations between different mood states. To test this hypothesis, in this preliminary proof-of-concept study, we measured in vivo mitochondrial respiration in patients with BD during a mood episode and investigated differences compared to healthy controls (HC) and to the same patients upon clinical remission. METHODS: This longitudinal study recruited 20 patients with BD admitted to our acute psychiatric ward with a manic (n = 15) or depressive (n = 5) episode, and 10 matched HC. We assessed manic and depressive symptoms using standardized psychometric scales. Different mitochondrial oxygen consumption rates (OCRs: Routine, Leak, electron transport chain [ETC], Rox) were assessed during the acute episode (T0) and after clinical remission (T1) using high-resolution respirometry at 37°C by polarographic oxygen sensors in a two-chamber Oxygraph-2k system in one million of peripheral blood mononuclear cells (PMBC). Specific OCRs were expressed as mean ± SD in picomoles of oxygen per million cells. Significant results were adjusted for age, sex, and body mass index. RESULTS: The longitudinal analysis showed a significant increase in the maximal oxygen consumption capacity (ETC) in clinical remission (25.7 ± 16.7) compared to the acute episodes (19.1 ± 11.8, p = 0.025), and was observed separately for patients admitted with a manic episode (29.2 ± 18.9 in T1, 22.3 ± 11.9 in T0, p = 0.076), and at a trend-level for patients admitted with a depressive episode (15.4 ± 3.9 in T1 compared to 9.4 ± 3.2 in T0, p = 0.107). Compared to HC, significant differences were observed in ETC in patients with a bipolar mood episode (H = 11.7; p = 0.003). Individuals with bipolar depression showed lower ETC than those with a manic episode (t = -3.7, p = 0.001). Also, significant differences were observed in ETC rates between HC and bipolar depression (Z = 1.000, p = 0.005). CONCLUSIONS: Bioenergetic and mitochondrial dysregulation could be present in both manic and depressive phases in BD and, importantly, they may restore after clinical remission. These preliminary results suggest that mitochondrial respiratory capacity could be a biomarker of illness activity and clinical response in BD. Further studies with larger samples and similar approaches are needed to confirm these results and identify potential biomarkers in different phases of the disease.


Assuntos
Transtorno Bipolar , Doenças Mitocondriais , Humanos , Transtorno Bipolar/psicologia , Mania , Estudos Longitudinais , Leucócitos Mononucleares , Biomarcadores , Oxigênio
5.
J ECT ; 40(3): 173-176, 2024 Sep 01.
Artigo em Inglês | MEDLINE | ID: mdl-38412188

RESUMO

OBJECTIVES: This study aims to conduct a descriptive analysis of the clinical features and treatment responses in 6 patients with catatonia who received maintenance electroconvulsive therapy (ECT). METHODS: Our study included all patients who underwent maintenance ECT (mECT) at the Hospital Clínic de Barcelona between September 2020 and September 2022 following a catatonic episode. RESULTS: The study cohort comprised 5 patients with schizophrenia and 1 patient with major depressive disorder. Among patients with schizophrenia, the first catatonic episode occurred several years after their initial paranoid psychotic episode, whereas the patient with depression experienced a rapid progression from the first depressive episode to catatonia. After acute ECT, 4 patients achieved complete symptomatic remission, 1 patient exhibited a partial response, and another maintained a severe catatonic state. Maintenance ECT was indicated because of the high risk of severe relapses. The mean frequency of mECT sessions was 9.83 (SD, 5.60) days. Notably, 66.67% of the patients were concurrently receiving clozapine as part of their pharmacological treatment. Among patients with schizophrenia, mECT sessions could not be extended beyond 7 to 10 days, whereas the depressed patient could space ECT sessions up to 21 days without experiencing a relapse. CONCLUSIONS: Maintenance ECT proves to be a safe and well-tolerated strategy for preventing relapses in severe catatonic patients who have previously stabilized with acute ECT. Further research is needed to develop clinical guidelines that define optimal application strategies for mECT in catatonia.


Assuntos
Catatonia , Transtorno Depressivo Maior , Eletroconvulsoterapia , Adulto , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Catatonia/terapia , Transtorno Depressivo Maior/terapia , Transtorno Depressivo Maior/complicações , Eletroconvulsoterapia/métodos , Esquizofrenia/terapia , Esquizofrenia/complicações , Resultado do Tratamento
6.
Acta Psychiatr Scand ; 148(4): 316-326, 2023 10.
Artigo em Inglês | MEDLINE | ID: mdl-37539719

RESUMO

INTRODUCTION: Psychiatric patients are considered at risk for malnutrition due to pharmacological treatments, lifestyle habits and the mental illness by itself. Even though metabolic risk factors have been related to worse outcomes in certain conditions, the evidence regarding the nutritional status and its impact on the length of stay in psychiatric inpatients is scarce. This study aims to characterize the nutritional status in acute psychiatric patients, to correlate it with the length of stay, and to find specific potential indicators of malnutrition. METHODS: Adult patients admitted to the Hospital Clínic of Barcelona acute psychiatric ward throughout a 1-year period were included in this cross-sectional study. Sociodemographic and clinical variables were registered, including length of stay and the nutritional status measured with the CONUT score. RESULTS: Malnutrition was observed in 42.5% of patients. Plasmatic transferrin saturation, protein and iron levels were inversely correlated with length of stay, having low iron levels an association with longer hospitalizations. The length of stay was not influenced by diagnosis or treatment. Negative correlations with the nutritional status were found in: BMI, cholesterol, triglycerides, albumin, total proteins, prealbumin, iron, lymphocytes and zinc levels, and transferrin saturation. The multivariate analysis showed a significant association for cholesterol and zinc levels, lymphocyte count, and BMI. CONCLUSIONS: Our results suggest that nutritional status might influence the course of psychiatric admissions. Cholesterol and zinc levels, lymphocyte count, and BMI might be factors strongly associated with malnutrition. This consideration might allow the identification of profiles in which lifestyle interventions could be implemented.


Assuntos
Desnutrição , Unidade Hospitalar de Psiquiatria , Adulto , Humanos , Avaliação Nutricional , Estudos Transversais , Desnutrição/epidemiologia , Desnutrição/diagnóstico , Desnutrição/etiologia , Colesterol , Ferro/metabolismo , Transferrinas , Zinco/metabolismo
7.
Bipolar Disord ; 24(4): 457-460, 2022 06.
Artigo em Inglês | MEDLINE | ID: mdl-34797609

RESUMO

Bipolar depression is the most prevalent phase of bipolar disorder (BD). There is a risk of inducing treatment-emergent affective switches (TEAS) with antidepressants (ADs). Hence, clinical guidelines do not recommend their use in monotherapy. Cariprazine is a dopamine-serotonin partial agonist, with a recent FDA approval as a monotherapy for BD type 1 (BD-I) depression. To our knowledge, there is no significant evidence of cariprazine-induced TEAS in bipolar depression. We describe three clinical cases of patients admitted to our acute psychiatric ward who developed manic episodes after the introduction of low doses of cariprazine. Two of the patients met the DSM-5 criteria for BD-I, and one for schizoaffective disorder, bipolar type. All patients were initially treated with low doses of cariprazine (1.5 mg) during a depressive phase. All three cases were simultaneously treated with mood stabilizers, regardless of which they switched to a manic episode when cariprazine was initiated. In our review of previous studies assessing the efficacy and side effects profile of cariprazine in BD-I, TEAS have not been found to be significant. However, according to our experience, cariprazine may induce affective switches in BD-I patients. Patients and psychiatrists should receive information regarding early warning symptoms and monitor possible cariprazine-induced mood switching.


Assuntos
Antipsicóticos , Transtorno Bipolar , Antipsicóticos/efeitos adversos , Transtorno Bipolar/induzido quimicamente , Transtorno Bipolar/diagnóstico , Transtorno Bipolar/tratamento farmacológico , Humanos , Mania , Piperazinas/uso terapêutico
11.
Psychiatry Res ; 339: 116015, 2024 Sep.
Artigo em Inglês | MEDLINE | ID: mdl-38943785

RESUMO

The COVID-19 pandemic had a great impact on mental health both in the general population and in individuals with preexisting mental disorders. Lockdown, social restrictions, changes in daily habits and limited access to health services led to changes in consultations in mental health services. This study aimed to determine changing trends in psychiatric admissions by the inclusion of adult patients admitted to the Emergency Department (ED) of Hospital Clínic of Barcelona between 2019 and 2021. Acute admissions, social issues and psychiatric diagnoses were compared between years, seasons and considering the interaction between both years and seasons. A total of 13,677 individuals were included in the analysis. An overall reduction in consultations to the ED and a higher proportion of acute admissions was observed in 2020 in context of the COVID-19 outbreak. Increased prevalence of sleeping disorders and substance use disorders was found in 2020. Self-harming behavior, suicidal thoughts and suicidal behavior showed an increasing tendency over time, with their highest rates in 2021. Prevention and management strategies should be considered in order to address increasing needs in mental health care.


Assuntos
COVID-19 , Comportamento Autodestrutivo , Ideação Suicida , Humanos , COVID-19/epidemiologia , COVID-19/psicologia , Espanha/epidemiologia , Feminino , Masculino , Comportamento Autodestrutivo/epidemiologia , Comportamento Autodestrutivo/psicologia , Adulto , Prevalência , Pessoa de Meia-Idade , Serviço Hospitalar de Emergência/estatística & dados numéricos , Idoso , Adulto Jovem , Transtornos Relacionados ao Uso de Substâncias/epidemiologia , Transtornos Relacionados ao Uso de Substâncias/psicologia , SARS-CoV-2 , Pandemias , Adolescente , Tentativa de Suicídio/estatística & dados numéricos , Tentativa de Suicídio/psicologia , Transtornos Mentais/epidemiologia , Transtornos Mentais/psicologia
12.
J Affect Disord ; 360: 276-296, 2024 Sep 01.
Artigo em Inglês | MEDLINE | ID: mdl-38797389

RESUMO

INTRODUCTION: Bipolar disorder (BD) is a chronic and recurrent illness characterized by manic, mixed or depressive episodes, alternated with periods of euthymia. Several prognostic factors are associated with higher rates of relapse, which is crucial for the identification of high-risk individuals. This study aimed at systematically reviewing the existing literature regarding the impact of sociodemographic, clinical and environmental factors, in clinical relapses, recurrences and hospitalizations due to mood episodes in BD. METHODS: A systematic search of electronic databases (PubMed, Cochrane library and Web of Science) was conducted to integrate current evidence about the impact of specific risk factors in these outcomes. RESULTS: Fifty-eight articles met the inclusion criteria. Studies were grouped by the type of factors assessed. Family and personal psychiatric history, more severe previous episodes, earlier age of onset, and history of rapid cycling are associated with clinical relapses, along with lower global functioning and cognitive impairments. Unemployment, low educational status, poorer social adjustment and life events are also associated with higher frequency of episodes, and cannabis with a higher likelihood for rehospitalization. LIMITATIONS: Small sample sizes, absence of randomized clinical trials, diverse follow-up periods, lack of control for some confounding factors, heterogeneous study designs and diverse clinical outcomes. CONCLUSIONS: Although current evidence remains controversial, several factors have been associated with an impaired prognosis, which might allow clinicians to identify patients at higher risk for adverse clinical outcomes and find modifiable factors. Further research is needed to elucidate the impact of each risk factor in the mentioned outcomes.


Assuntos
Transtorno Bipolar , Recidiva , Humanos , Fatores de Risco , Prognóstico , Hospitalização/estatística & dados numéricos , Idade de Início , Fatores Sociodemográficos
13.
Int Clin Psychopharmacol ; 39(2): 113-116, 2024 Mar 01.
Artigo em Inglês | MEDLINE | ID: mdl-37729655

RESUMO

Paternal postpartum depression (PD) is considered an affective disorder that affects fathers during the months following childbirth. Interestingly, it has been observed that during these months the chances of a male parent suffering from depression are double that for a non-parent male counterpart. We present the case of a 34-year-old man with no relevant medical history in who, overlapping her daughter's birth, several depressive symptoms emerged, such as fatigue, lack of concentration, sleeping disturbances and abandonment of care of the newborn. Prior to consultation, patient refused to eat and open his eyes, and his speech became progressively more parsimonious until reaching mutism. The patient was diagnosed with a severe depressive disorder with catatonia. Given the lack of improvement with pharmacological treatment and due to the evidence of electroconvulsive therapy (ECT)'s effectiveness on patients with catatonia, acute ECT treatment was indicated and started. It should be noted that PD is an important entity to consider in our differential diagnosis of young parents who present a depressive episode. Few cases of relatively young patients presenting with such clinical presentation have been described and, although this case presents some of the characteristics described in the epidemiology of PD, other clinical aspects are not typical of this entity. Informed consent was obtained from the patient for the purpose of publication.


Assuntos
Transtorno Bipolar , Catatonia , Depressão Pós-Parto , Eletroconvulsoterapia , Feminino , Recém-Nascido , Humanos , Masculino , Adulto , Transtorno Bipolar/diagnóstico , Transtorno Bipolar/terapia , Transtorno Bipolar/psicologia , Catatonia/terapia , Catatonia/tratamento farmacológico , Depressão/diagnóstico , Depressão/terapia , Depressão Pós-Parto/diagnóstico , Depressão Pós-Parto/terapia , Depressão Pós-Parto/complicações , Pai , Período Pós-Parto
14.
Eur Neuropsychopharmacol ; 85: 23-31, 2024 Aug.
Artigo em Inglês | MEDLINE | ID: mdl-38669938

RESUMO

Lithium (Li) is the first-line treatment for bipolar disorder (BD) even though only 30 % of BD patients are considered excellent responders. The mechanisms by which Li exerts its action are not clearly understood, but it has been suggested that specific epigenetic mechanisms, such as methylation processes, may play a role. In this regard, DNA methylation patterns can be used to estimate epigenetic age (EpiAge), which is accelerated in BD patients and reversed by Li treatment. Our first aim was to compare the DNA methylation profile in peripheral blood between BD patients categorized as excellent responders to Li (Ex-Rp) and non-responders (N-Rp). Secondly, EpiAge was estimated to detect differential age acceleration between the two groups. A total of 130 differentially methylated positions (DMPs) and 16 differentially methylated regions (DMRs) between Ex-Rp (n = 26) and N-Rp (n = 37) were identified (FDR adjusted p-value < 0.05). We found 122 genes mapping the DMPs and DMRs, nine of which (HOXB6, HOXB3, HOXB-AS3, TENM2, CACNA1B, ANK3, EEF2K, CYP1A1, and SORCS2) had previously been linked to Li response. We found genes related to the GSK3ß pathway to be highly represented. Using FUMA, we found enrichment in Gene Ontology Cell Component for the synapse. Gene network analysis highlighted functions related to the cell cycle, nervous system development and function, and gene expression. No significant differences in age acceleration were found between Ex-Rp and N-Rp for any of the epigenetic clocks analysed. Our findings indicate that a specific methylation pattern could determine the response to Li in BD patients. We also found that a significant portion of the differentially methylated genes are closely associated with the GSK3ß pathway, reinforcing the role of this system in Li response. Future longitudinal studies with larger samples will help to elucidate the epigenetic mechanisms underlying Li response.


Assuntos
Envelhecimento , Transtorno Bipolar , Metilação de DNA , Epigênese Genética , Humanos , Transtorno Bipolar/genética , Transtorno Bipolar/tratamento farmacológico , Metilação de DNA/efeitos dos fármacos , Feminino , Epigênese Genética/efeitos dos fármacos , Epigênese Genética/genética , Masculino , Adulto , Pessoa de Meia-Idade , Envelhecimento/genética , Epigenoma/genética , Antimaníacos/uso terapêutico , Compostos de Lítio/uso terapêutico , Compostos de Lítio/farmacologia
15.
Front Psychiatry ; 15: 1386286, 2024.
Artigo em Inglês | MEDLINE | ID: mdl-38596629

RESUMO

Background: Aerobic capacity has shown to predict physical and mental health-related quality of life in bipolar disorder (BD). However, the correlation between exercise respiratory capacity and mitochondrial function remains understudied. We aimed to assess longitudinally intra-individual differences in these factors during mood episodes and remission in BD. Methods: This study included eight BD patients admitted to an acute psychiatric unit. Incremental cardiopulmonary exercise test (CPET) was conducted during acute episodes (T0), followed by constant work rate cycle ergometry (CWRCE) to evaluate endurance time, oxygen uptake at peak exercise (VO2peak) and at the anaerobic threshold. The second test was repeated during remission (T1). Mitochondrial respiration rates were assessed at T0 and T1 in peripheral blood mononuclear cells. Results: Endurance time, VO2peak, and anaerobic threshold oxygen consumption showed no significant variations between T0 and T1. Basal oxygen consumption at T1 tended to inversely correlate with maximal mitochondrial respiratory capacity (r=-0.690, p=0.058), and VO2peak during exercise at T1 inversely correlated with basal and minimum mitochondrial respiration (r=-0.810, p=0.015; r=-0.786, p=0.021, respectively). Conclusions: Our preliminary data showed that lower basal oxygen consumption may be linked to greater mitochondrial respiratory capacity, and maximum oxygen uptake during the exercise task was associated with lower basal mitochondrial respiration, suggesting that lower oxygen requirements could be associated with greater mitochondrial capacity. These findings should be replicated in larger samples stratified for manic and depressive states.

16.
J Clin Med ; 13(17)2024 Aug 23.
Artigo em Inglês | MEDLINE | ID: mdl-39274208

RESUMO

Background: Bipolar disorder (BD) involves significant mood and energy shifts reflected in speech patterns. Detecting these patterns is crucial for diagnosis and monitoring, currently assessed subjectively. Advances in natural language processing offer opportunities to objectively analyze them. Aims: To (i) correlate speech features with manic-depressive symptom severity in BD, (ii) develop predictive models for diagnostic and treatment outcomes, and (iii) determine the most relevant speech features and tasks for these analyses. Methods: This naturalistic, observational study involved longitudinal audio recordings of BD patients at euthymia, during acute manic/depressive phases, and after-response. Patients participated in clinical evaluations, cognitive tasks, standard text readings, and storytelling. After automatic diarization and transcription, speech features, including acoustics, content, formal aspects, and emotionality, will be extracted. Statistical analyses will (i) correlate speech features with clinical scales, (ii) use lasso logistic regression to develop predictive models, and (iii) identify relevant speech features. Results: Audio recordings from 76 patients (24 manic, 21 depressed, 31 euthymic) were collected. The mean age was 46.0 ± 14.4 years, with 63.2% female. The mean YMRS score for manic patients was 22.9 ± 7.1, reducing to 5.3 ± 5.3 post-response. Depressed patients had a mean HDRS-17 score of 17.1 ± 4.4, decreasing to 3.3 ± 2.8 post-response. Euthymic patients had mean YMRS and HDRS-17 scores of 0.97 ± 1.4 and 3.9 ± 2.9, respectively. Following data pre-processing, including noise reduction and feature extraction, comprehensive statistical analyses will be conducted to explore correlations and develop predictive models. Conclusions: Automated speech analysis in BD could provide objective markers for psychopathological alterations, improving diagnosis, monitoring, and response prediction. This technology could identify subtle alterations, signaling early signs of relapse. Establishing standardized protocols is crucial for creating a global speech cohort, fostering collaboration, and advancing BD understanding.

17.
BJPsych Open ; 10(5): e137, 2024 Aug 01.
Artigo em Inglês | MEDLINE | ID: mdl-39086306

RESUMO

BACKGROUND: Bipolar disorder is highly prevalent and consists of biphasic recurrent mood episodes of mania and depression, which translate into altered mood, sleep and activity alongside their physiological expressions. AIMS: The IdenTifying dIgital bioMarkers of illnEss activity and treatment response in BipolAr diSordEr with a novel wearable device (TIMEBASE) project aims to identify digital biomarkers of illness activity and treatment response in bipolar disorder. METHOD: We designed a longitudinal observational study including 84 individuals. Group A comprises people with acute episode of mania (n = 12), depression (n = 12 with bipolar disorder and n = 12 with major depressive disorder (MDD)) and bipolar disorder with mixed features (n = 12). Physiological data will be recorded during 48 h with a research-grade wearable (Empatica E4) across four consecutive time points (acute, response, remission and episode recovery). Group B comprises 12 people with euthymic bipolar disorder and 12 with MDD, and group C comprises 12 healthy controls who will be recorded cross-sectionally. Psychopathological symptoms, disease severity, functioning and physical activity will be assessed with standardised psychometric scales. Physiological data will include acceleration, temperature, blood volume pulse, heart rate and electrodermal activity. Machine learning models will be developed to link physiological data to illness activity and treatment response. Generalisation performance will be tested in data from unseen patients. RESULTS: Recruitment is ongoing. CONCLUSIONS: This project should contribute to understanding the pathophysiology of affective disorders. The potential digital biomarkers of illness activity and treatment response in bipolar disorder could be implemented in a real-world clinical setting for clinical monitoring and identification of prodromal symptoms. This would allow early intervention and prevention of affective relapses, as well as personalisation of treatment.

18.
Artigo em Inglês | MEDLINE | ID: mdl-37729659

RESUMO

Psychiatric comorbidity is common in cancer patients, emphasizing the need for comprehensive care. While depressive symptoms in pancreatic cancer have been studied, there is limited attention given to manic symptoms. This case report aims to contribute to the knowledge of pancreatic cancer psychiatric comorbidities by describing a case of a patient with stage IV pancreatic cancer who presented a sudden onset manic episode. The patient, a 61-year-old male with stage IV pancreatic cancer, presented at the Emergency Room with abrupt behavioural changes suggestive of a manic episode of 2 weeks of evolution. The patient had been undergoing chemotherapy and short 3-day cycles of corticosteroids for the past 9 months but had been off this treatment for 20 days when the episode began. Acute organic causes were ruled out. The patient was admitted to the psychiatric unit, where organic screening was expanded and treatment with antipsychotics and a mood stabiliser was initiated with subsequent remission of symptoms after 2 weeks. This case shows a manic episode as a rare psychiatric complication in pancreatic cancer. In the literature reviewed, four other similar cases have been observed. Further research is needed to elucidate the underlying pathophysiology and explore possible treatment strategies.

19.
J Clin Med ; 12(23)2023 Nov 29.
Artigo em Inglês | MEDLINE | ID: mdl-38068451

RESUMO

Predominant Polarity (PP) is an established specifier of Bipolar Disorder (BD), holding significant clinical implications. Nevertheless, there exists no consensus on how to incorporate mixed states into PP, leaving patients prone to mixed recurrences that are unclassified. In a comprehensive study involving 701 euthymic BD patients, we sought to redefine PP by introducing a novel metric, the "mixed tendency", and establish a practical threshold to identify patients with a "mixed phenotype". Furthermore, we investigated potential associations between the mixed phenotype and specific PP categories. Our findings revealed that the mixed tendency correlated significantly with early BD type I, lifetime suicide attempts, self-aggressive behaviour, and lifetime number of affective episodes (>5). Using a ROC curve analysis, we determined an optimal cut-off point for the mixed tendency at 0.228, suggesting that patients with ~25% of lifetime mixed episodes relative to total affective episodes should be identified as having a mixed phenotype. Notably, the mixed phenotype was positively associated with undetermined PP and negatively with manic and depressive PP. This study introduces a promising approach to incorporating mixed episodes into the PP definition, potentially enabling tailored interventions for patients with a substantial history of mixed episodes. However, further research in large, longitudinal cohorts is essential to validate these findings.

20.
Int Clin Psychopharmacol ; 38(6): 402-405, 2023 11 01.
Artigo em Inglês | MEDLINE | ID: mdl-37767628

RESUMO

In recent times, some research has focused on the study of potential treatments for cystic fibrosis (CF), such as cystic fibrosis transmembrane conductance regulator (CFTR) modulators. These treatments have been reported to produce neuropsychiatric symptoms in a few patients, even though there is still no clear correlation nor underlying mechanism proposed. We present the case of a 23-year-old woman with CF and no previous psychiatric history who was admitted to our inpatient psychiatric unit presenting a wide range of neuropsychiatric symptoms, such as disorganized speech, bizarre poses or persecutory delusional ideation, after going under CFTR modulators treatment. After several diagnostic tests, other possible organic causes were ruled out. Multiple antipsychotic treatments were tested during her admission, with poor tolerance and scarce response. Finally, symptomatic remission was only observed after electroconvulsive therapy was initiated. The final diagnostic hypothesis was unspecified psychosis. This case highlights the relevance of considering the possibility of neuropsychiatric symptoms appearing in patients under CFTR modulators treatment.


Assuntos
Antipsicóticos , Transtornos Psicóticos , Feminino , Humanos , Adulto Jovem , Antipsicóticos/uso terapêutico , Regulador de Condutância Transmembrana em Fibrose Cística/genética , Delusões , Pacientes Internados , Transtornos Psicóticos/diagnóstico , Transtornos Psicóticos/tratamento farmacológico
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