Acta Neuropsychiatrica最新文献

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Improved dietary control results in improvements in indices of white matter structure in adults with phenylketonuria: the ReDAPT study. ReDAPT研究:改善饮食控制导致苯丙酮尿症成人白质结构指标的改善。
IF 2.5 4区 医学
Acta Neuropsychiatrica Pub Date : 2026-04-17 DOI: 10.1017/neu.2026.10078
Matthew J Y Kang, Christopher Adamson, Charles B Malpas, Toby Winton-Brown, Nicholas Burgess, Tim Fazio, Dennis Velakoulis, Patricia Desmond, Vijay Venkatraman, Gerard De Jong, Mark Walterfang
{"title":"Improved dietary control results in improvements in indices of white matter structure in adults with phenylketonuria: the ReDAPT study.","authors":"Matthew J Y Kang, Christopher Adamson, Charles B Malpas, Toby Winton-Brown, Nicholas Burgess, Tim Fazio, Dennis Velakoulis, Patricia Desmond, Vijay Venkatraman, Gerard De Jong, Mark Walterfang","doi":"10.1017/neu.2026.10078","DOIUrl":"10.1017/neu.2026.10078","url":null,"abstract":"<p><strong>Objective: </strong>We tested the hypothesis that resuming dietary control in early-treated phenylketonuria (PKU) is associated with improvements in white matter integrity, using data from the ReDAPT study, which previously demonstrated cognitive and psychiatric improvements with reduced phenylalanine (Phe) levels.</p><p><strong>Methods: </strong>We re-initiated dietary control for early-treated patients with PKU and assessed the T1w/T2w ratio from standard T1-and T2-weighted magnetic resonance images, a marker of myelination and microstructural integrity. General linear mixed-effects model (GLMM) analyses were performed to assess change in the T1w/T2w ratio from baseline over twelve months after resumption of dietary control.</p><p><strong>Results: </strong>Seven participants (mean age 31 years; five female) with neuroimaging were included, with a mean of 16 years off diet and baseline Phe levels of 1157 µmol/L. GLMM analyses showed significant increases in T1w/T2w ratio over time for the whole brain (β = 0.47 [95%CI = 0.28, 0.66]), left hemisphere (β = 0.36 [95%CI = 0.19, 0.54]) and right hemisphere regions of interest (β = 0.52 [95%CI = 0.30, 0.72]). Longer time off diet was also positively associated with greater T1w/T2w changes. There was no evidence for the effects of gender or age at baseline.</p><p><strong>Conclusions: </strong>This study demonstrated significant increases in the T1w/T2w ratio in PKU patients as they resumed dietary control over a 12-month period. Raw Phe levels were not strongly associated with neuroimaging measures. These findings support the importance of lifelong treatment for PKU and also demonstrate the potential reversibility of white matter changes in the disease.</p>","PeriodicalId":48964,"journal":{"name":"Acta Neuropsychiatrica","volume":" ","pages":"e39"},"PeriodicalIF":2.5,"publicationDate":"2026-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13227302/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147700632","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Immunological predictors in first-episode psychosis: findings from one-year prospective follow-up study. 首发精神病的免疫学预测因素:来自一年前瞻性随访研究的结果。
IF 2.5 4区 医学
Acta Neuropsychiatrica Pub Date : 2026-04-14 DOI: 10.1017/neu.2026.10076
Talat Sarikavak, Özgür Özkalaycı, Damla Isman Haznedaroglu, Aytül Zerrin Sin, Emine Nihal Mete, Hayriye Elbi
{"title":"Immunological predictors in first-episode psychosis: findings from one-year prospective follow-up study.","authors":"Talat Sarikavak, Özgür Özkalaycı, Damla Isman Haznedaroglu, Aytül Zerrin Sin, Emine Nihal Mete, Hayriye Elbi","doi":"10.1017/neu.2026.10076","DOIUrl":"10.1017/neu.2026.10076","url":null,"abstract":"<p><strong>Objective: </strong>Emerging evidence suggests that immune dysregulation may play a key role in the pathophysiology of psychosis. However, longitudinal studies integrating both innate and adaptive immune components in the same sample remain scarce. This study aimed to examine a broad spectrum of immunological parameters in first-episode psychosis (FEP) patients, both at onset and after treatment, in comparison to healthy controls.</p><p><strong>Methods: </strong>Thirty-two minimally treated FEP patients (no lifetime psychotropic exposure >1 month) and 26 healthy controls were assessed at baseline. 20 patients completed a follow-up approximately one year later. Immunological markers – including complete blood count (leukocyte, neutrophil, lymphocyte, monocyte), C-reactive protein (CRP), SAA, complement components (C3, C4), and immunoglobulins (IgG, IgA, IgM, IgE) – were measured at both time points. First-episode psychosis was confirmed using SCID (DSM-IV). Symptom severity was evaluated using PANSS and BPRS. ROC and logistic regression analyses were performed to assess predictive value.</p><p><strong>Results: </strong>Neutrophil, monocyte, C3, C4 levels and neutrophil-to-lymphocyte ratio (NLR) were significantly elevated in patients at both time points, with no change over time. CRP was elevated at T1 but normalised at follow-up. In contrast, immunoglobulin levels showed temporal and dimensional associations with symptom severity. NLR was correlated with negative symptoms during the acute phase, while IgG was associated with positive symptoms during remission. Elevated NLR and C4 predicted patient status in logistic regression analysis.</p><p><strong>Conclusion: </strong>This longitudinal study provides a system-level immunological profile across illness phases in FEP. The findings underscore distinct and dynamic contributions of innate and adaptive immunity to the onset and progression of psychosis.</p>","PeriodicalId":48964,"journal":{"name":"Acta Neuropsychiatrica","volume":" ","pages":"e36"},"PeriodicalIF":2.5,"publicationDate":"2026-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13202409/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147678002","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Parenteral clomipramine for depression or obsessive-compulsive disorder: a systematic review and meta-analysis. 静脉注射氯丙咪嗪治疗抑郁症或强迫症:系统回顾和荟萃分析。
IF 2.5 4区 医学
Acta Neuropsychiatrica Pub Date : 2026-04-14 DOI: 10.1017/neu.2026.10074
Michael Ioannou, Örjan Falk, Joss Gustavsson, Johan Nilsson, Petteri Sjögren, Steinn Steingrimsson, Therese Svanberg, Zoltán Szabó, Susanna M Wallerstedt
{"title":"Parenteral clomipramine for depression or obsessive-compulsive disorder: a systematic review and meta-analysis.","authors":"Michael Ioannou, Örjan Falk, Joss Gustavsson, Johan Nilsson, Petteri Sjögren, Steinn Steingrimsson, Therese Svanberg, Zoltán Szabó, Susanna M Wallerstedt","doi":"10.1017/neu.2026.10074","DOIUrl":"10.1017/neu.2026.10074","url":null,"abstract":"<p><p>In severe cases of depression and obsessive-compulsive disorder (OCD), clomipramine is sometimes administered parenterally. This systematic review aimed to investigate whether parenteral clomipramine is superior to oral clomipramine or other treatments, primarily in terms of reducing depressive/OCD symptoms within two weeks (CRD420250654029). Medline, Embase, the Cochrane Library, and PsycInfo were searched for relevant publications. Randomized controlled trials (RCTs) without a high risk of bias formed the primary basis for the conclusions. Meta-analyses were performed when applicable. Certainty of evidence was assessed according to GRADE. The literature search identified 4973 unique publications, whereof 14 RCTs contributed data regarding the question at issue in this systematic review. The evidence synthesis revealed that parenteral clomipramine may not be superior to oral administration in terms of reducing depressive symptoms within two weeks, but a clinically relevant effect cannot be excluded (low certainty of evidence; five RCTs including 70 patients; mean difference of change in Hamilton depression rating scale scores (meta-analysis based on three RCTs): -1.27 (95% confidence interval: -3.09 to 0.54; 2, I2 = 22%). Regarding patients with OCD, no conclusion could be drawn (very low certainty of evidence; two RCTs including 47 patients; meta-analysis not conducted due to heterogeneity). Regarding comparisons with other treatments, the available RCT (depression) did not allow for conclusions, or no RCTs (OCD) were available. Current evidence indicates that parenteral administration of clomipramine may not be favourable compared to oral administration, and RCTs with relevant comparisons such as electroconvulsive therapy and ketamine are lacking.</p>","PeriodicalId":48964,"journal":{"name":"Acta Neuropsychiatrica","volume":" ","pages":"e30"},"PeriodicalIF":2.5,"publicationDate":"2026-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13130327/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147678040","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Psilocybin elicits a conserved glucocorticoid-responsive gene signature across five 5-HT2A receptor-rich brain regions in rat. 裸盖菇素在大鼠5个富含5-HT2A受体的脑区引发保守的糖皮质激素反应基因特征。
IF 2.5 4区 医学
Acta Neuropsychiatrica Pub Date : 2026-04-10 DOI: 10.1017/neu.2026.10075
Ashkan Veysi, Daniela Atanasovski, Maryam Ardalan, Nasrin Motamed, Elias Eriksson
{"title":"Psilocybin elicits a conserved glucocorticoid-responsive gene signature across five 5-HT2A receptor-rich brain regions in rat.","authors":"Ashkan Veysi, Daniela Atanasovski, Maryam Ardalan, Nasrin Motamed, Elias Eriksson","doi":"10.1017/neu.2026.10075","DOIUrl":"10.1017/neu.2026.10075","url":null,"abstract":"<p><strong>Objective: </strong>Psychedelics such as psilocybin are known for their hallucinogenic properties and have also been reported to produce long-lasting therapeutic effects in depression and possibly also other psychiatric disorders. Several lines of evidence suggest that psilocybin exerts its effects through activation of 5-HT2A receptors located postsynaptically to serotonergic neurons, for example, in the frontal cortex, parts of the limbic system, including the amygdala and hippocampus, and striatum. The present study was conducted to shed further light on psilocybin-induced changes in gene expression.</p><p><strong>Method: </strong>Samples from the medial prefrontal cortex, cingulate cortex, hippocampus, amygdala, and striatum were collected from 24 male Wistar rats 90 min after they had been injected with either saline or psilocybin (2 mg/kg) and subjected to multi-region transcriptional profiling using 3prime-RNASeq technology.</p><p><strong>Results: </strong><i>Nfkbia</i> and <i>Sgk1</i> were upregulated in all the studied regions, <i>Ddit4</i> was upregulated in four regions, and <i>Gpd1</i>, <i>Apold1</i>, <i>Sox9</i>, <i>Tsc22d3</i>, and <i>Slc2a1</i> were differentially expressed in two regions. Other cases of differentially expressed genes were region-specific.</p><p><strong>Conclusion: </strong>Whereas psilocybin was not found to alter the expression of genes encoding enzymes, transporters, or receptors implicated in the serotonergic signalling, or those specifically involved in the regulation of the synaptic activity of other neurotransmitters, a common denominator for many of the genes impacted by psilocybin is that they have previously been found to be activated by glucocorticoids.</p>","PeriodicalId":48964,"journal":{"name":"Acta Neuropsychiatrica","volume":" ","pages":"e37"},"PeriodicalIF":2.5,"publicationDate":"2026-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13202413/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147647326","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Emotion regulation and depressive symptoms mediate the association between chronotype and suicidality. 情绪调节和抑郁症状介导时型与自杀的关系。
IF 2.5 4区 医学
Acta Neuropsychiatrica Pub Date : 2026-04-10 DOI: 10.1017/neu.2026.10077
Eunseo Choo, Hangyu Kim, Jakyung Lee, Hyeona Yu, Hyun Jung Hur, Tae Hyon Ha, Woojae Myung, Jungkyu Park, Hyo Shin Kang
{"title":"Emotion regulation and depressive symptoms mediate the association between chronotype and suicidality.","authors":"Eunseo Choo, Hangyu Kim, Jakyung Lee, Hyeona Yu, Hyun Jung Hur, Tae Hyon Ha, Woojae Myung, Jungkyu Park, Hyo Shin Kang","doi":"10.1017/neu.2026.10077","DOIUrl":"10.1017/neu.2026.10077","url":null,"abstract":"<p><strong>Objective: </strong>Emotion regulation, while closely linked to depressive symptoms, has seldom been examined together with them in studies of the relationship between chronotype and suicidality. We therefore examined whether chronotype predicts suicidality through the sequential mediation of poor emotion regulation and depressive symptoms. In addition, we examined whether these mediation pathways differ between morning-type and evening-type groups.</p><p><strong>Methods: </strong>This study included 3109 Korean adults from the general population. Chronotype, depressive symptoms, emotion regulation, and suicidality were assessed using the Composite Scale of Morningness, Self-Rating Depression Scale, Emotion Regulation Skills Questionnaire, and the Suicidality module of the Mini International Neuropsychiatric Interview, respectively.</p><p><strong>Results: </strong>Chronotype did not have a direct effect on suicidality. Instead, eveningness was indirectly linked to higher suicidality. Specifically, individuals with stronger eveningness tendencies reported poorer emotion regulation, which increased depressive symptoms; depressive symptoms, in turn, predicted suicidal ideation, which emerged as a significant predictor of suicide attempts. Subgroup analyses revealed that the same sequential pathway was significant only among evening-types, but not among morning-types.</p><p><strong>Conclusions: </strong>Chronotype appears to play a role in suicide risk in the general population. Screening for chronotype and focusing on emotion regulation and depressive symptoms may enhance prevention efforts tailored to chronotype, especially for evening-type individuals.</p>","PeriodicalId":48964,"journal":{"name":"Acta Neuropsychiatrica","volume":" ","pages":"e32"},"PeriodicalIF":2.5,"publicationDate":"2026-04-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13202391/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147647313","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Insights into neuroscience from the representative birth cohort samples of a multidisciplinary longitudinal study. 从多学科纵向研究的代表性出生队列样本中洞察神经科学。
IF 2.5 4区 医学
Acta Neuropsychiatrica Pub Date : 2026-04-07 DOI: 10.1017/neu.2026.10072
Jaanus Harro, Diva Eensoo, Evelyn Kiive, Inga Villa, Triin Kurrikoff, Jarek Mäestu, Margus Kanarik, Karita Laugus, Katre Sakala, Toomas Veidebaum
{"title":"Insights into neuroscience from the representative birth cohort samples of a multidisciplinary longitudinal study.","authors":"Jaanus Harro, Diva Eensoo, Evelyn Kiive, Inga Villa, Triin Kurrikoff, Jarek Mäestu, Margus Kanarik, Karita Laugus, Katre Sakala, Toomas Veidebaum","doi":"10.1017/neu.2026.10072","DOIUrl":"10.1017/neu.2026.10072","url":null,"abstract":"<p><p>Longitudinal studies on population representative samples offer unique insights. The Estonian Children Personality Behaviour and Health Study (ECPBHS; EstChild) was launched in 1998 on two birth cohort samples at age 9 or 15 with an exceptional participation rate, has been monitored at ages 15, 18, 25 and 33, and also recruited parents of the target subjects. This multidisciplinary investigation has been focused on behavioural neuroscience, illuminating findings on what could be discerned from biomarkers, candidate genes, gene × environment interactions, and epigenetic markers in representative samples, and in birth cohorts living through societal transformation. ECPBHS analysed how biomarkers and lifestyle are associated with real-life behaviours and developmental trajectories, phenotypes such as neuroticism, bulimia, aggressiveness or attention deficit, and outcomes from incidence of psychiatric disorders to the obtaining of university education. Novel evidence has been observed on clustering of fears and the inner structure of impulsivity and reward sensitivity, together with clues how these may have co-emerged with metabolic types. New insights have been provided to understand the classic biomarkers, cholesterol and platelet monoamine oxidase activity, as well as several functional gene variants. Hypotheses how to synthetise molecular genetics and sociology, how sex or gender matters in the light of gene × environment interactions and how family and parental roles shape the behaviour of offspring have been put forward. The ECPBHS has offered clues on why in biological psychiatry many replication attempts are predestined to fail, and how to learn from such failures.</p>","PeriodicalId":48964,"journal":{"name":"Acta Neuropsychiatrica","volume":" ","pages":"e33"},"PeriodicalIF":2.5,"publicationDate":"2026-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13202404/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147628599","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Early health economic assessment of eLi12, a new method to estimate 12-h lithium levels when blood sampling deviates from 12 h. eLi12的早期健康经济评估,当血液采样偏离12小时时,估计12小时锂水平的新方法。
IF 2.5 4区 医学
Acta Neuropsychiatrica Pub Date : 2026-04-06 DOI: 10.1017/neu.2026.10071
Ole Köhler-Forsberg, Thea Kirkegaard Kjær, Andrew A Nierenberg, Tom Bschor, Lars Vedel Kessing, Christian Kraft, Lars Ehlers
{"title":"Early health economic assessment of eLi<sub>12</sub>, a new method to estimate 12-h lithium levels when blood sampling deviates from 12 h.","authors":"Ole Köhler-Forsberg, Thea Kirkegaard Kjær, Andrew A Nierenberg, Tom Bschor, Lars Vedel Kessing, Christian Kraft, Lars Ehlers","doi":"10.1017/neu.2026.10071","DOIUrl":"10.1017/neu.2026.10071","url":null,"abstract":"<p><strong>Objective: </strong>Early economic evaluations (EEE) can evaluate the economic potential of new innovative healthcare solutions. We present a methodological framework for EEE in bipolar disorder and use eLi<sub>12</sub> as an illustrative case, a new method to estimate 12-h lithium blood levels when blood sampling deviates from the 12-h timing, enabling more flexibility for patients and better data on 12-h lithium levels.</p><p><strong>Methods: </strong>A decision-analytic model evaluated the costs and consequences of eLi<sub>12</sub> for the treatment of bipolar disorder from a Danish national healthcare payer perspective, assessing the minimum efficacy threshold where eLi<sub>12</sub> would be considered cost-effective compared with standard of care. The primary outcome was net monetary benefit (NMB), and we estimated quality-adjusted life-years (QALYs) assuming a willingness-to-pay threshold of €67,000/QALY gained. Costs associated with bipolar disorder and lithium treatment (e.g. hospitalisations, suicides, lost productivity, implementation costs) were estimated from literature, Danish registries, and expert opinion.</p><p><strong>Results: </strong>Assuming 28,000 patients with bipolar disorder whereof 10,000 are treated with lithium, a 2.5% reduction in number of hospitalisations and suicides are sufficient for eLi<sub>12</sub> to be considered cost-effective within one year of implementation. When using a longer time horizon, allowing more savings to be included and thus considering a smaller improvement to be sufficient, less than 1% improvement by using eLi<sub>12</sub> would be sufficient within a three-year time horizon.</p><p><strong>Conclusion: </strong>EEE can evaluate the health economic potential of new innovative methods, supporting early investment decisions and guiding research. eLi<sub>12</sub> can have significant healthcare savings, emphasising the relevance of studying clinical implementation.</p>","PeriodicalId":48964,"journal":{"name":"Acta Neuropsychiatrica","volume":" ","pages":"e31"},"PeriodicalIF":2.5,"publicationDate":"2026-04-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13139936/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147624470","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Resting state functional connectivity in paedophilic disorder and degarelix treatment. 恋童癖障碍的静息状态功能连通性和去格雷利克斯治疗。
IF 2.5 4区 医学
Acta Neuropsychiatrica Pub Date : 2026-04-01 DOI: 10.1017/neu.2026.10073
Linnéa Andersson, Christian Mannfolk, Maria Ljungberg, Benny Liberg, Christoffer Rahm, Isabella Maria Björkman-Burtscher
{"title":"Resting state functional connectivity in paedophilic disorder and degarelix treatment.","authors":"Linnéa Andersson, Christian Mannfolk, Maria Ljungberg, Benny Liberg, Christoffer Rahm, Isabella Maria Björkman-Burtscher","doi":"10.1017/neu.2026.10073","DOIUrl":"10.1017/neu.2026.10073","url":null,"abstract":"<p><strong>Objective: </strong>There is a need for deeper understanding of neurological and psychological aspects of paedophilic disorder (PeD) to improve management of the disorder and thereby prevent child sexual abuse (CSA). Functional magnetic resonance imaging (fMRI) measures have been suggested as imaging biomarkers that may contribute towards this goal. A previous study using degarelix, a testosterone suppressing drug, showed promising results in decreasing the risk of committing CSA among individuals with PeD. In this study, we evaluate functional connectivity (FC) related to PeD and degarelix treatment.</p><p><strong>Methods: </strong>We used independent component analysis on resting state (rs)fMRI data acquired at baseline as well as two and ten weeks after injection of degarelix (or placebo) to evaluate FC alterations related to PeD and the degarelix treatment effect.</p><p><strong>Results: </strong>FC was altered in relation to several resting state networks in individuals with PeD compared to healthy controls at baseline. At follow-up time points, however, group comparisons were inconclusive and did after FDR correction not render statistically significant FC alterations when comparing patients to controls or related to degarelix treatment, CSA dynamic risk scores or comorbidities.</p><p><strong>Conclusion: </strong>We found FC alterations in PeD compared to healthy controls at baseline, however, no consistent, treatment specific FC signature of degarelix was demonstrated.</p>","PeriodicalId":48964,"journal":{"name":"Acta Neuropsychiatrica","volume":" ","pages":"e35"},"PeriodicalIF":2.5,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13202393/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147595772","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Placebo and nocebo effects of pharmacotherapy for obsessive-compulsive related disorders: a systematic review and meta-analysis. 强迫相关障碍药物治疗的安慰剂和反安慰剂效应:系统回顾和荟萃分析。
IF 2.5 4区 医学
Acta Neuropsychiatrica Pub Date : 2026-03-26 DOI: 10.1017/neu.2026.10070
Jacob Hoffman, Taryn Williams, Dan J Stein
{"title":"Placebo and nocebo effects of pharmacotherapy for obsessive-compulsive related disorders: a systematic review and meta-analysis.","authors":"Jacob Hoffman, Taryn Williams, Dan J Stein","doi":"10.1017/neu.2026.10070","DOIUrl":"10.1017/neu.2026.10070","url":null,"abstract":"<p><strong>Objective: </strong>This systematic review and meta-analysis aimed to quantify the magnitude of placebo and nocebo effects in pharmacological trials for OCRDs and identify clinical and methodological moderators influencing these effects.</p><p><strong>Methods: </strong>A comprehensive literature search was conducted across multiple databases and clinical trial registries up to May 2025. Randomised, placebo-controlled trials involving pharmacological interventions for OCRDs were included. The primary outcomes were placebo effect size and placebo response rate; secondary outcomes included nocebo response rate and side effect profile. Data were extracted independently and meta-analysed using random effects models. Meta-regression was performed to assess moderators of placebo response.</p><p><strong>Results: </strong>Fifteen eligible trials (<i>N</i> = 640; placebo <i>N</i> = 341) were included. The pooled placebo effect size was moderate (SMC = -0.63; 95% CI -0.77 to -0.48), with low heterogeneity (<i>I</i><sup>2</sup> = 4.73%). The placebo response rate was 21%, and the nocebo response rate was 18%. Despite testing a broad range of potential moderators, including clinical characteristics, methodological design, and medication class, no significant predictors of placebo effect size were identified. Side effects were reported in nearly one-third of placebo recipients, underscoring the relevance of nocebo effects.</p><p><strong>Conclusions: </strong>Placebo and nocebo responses are noteworthy in trials for OCRDs and may influence perceived treatment efficacy. Variability in placebo responses is not well explained by currently measurable moderators. Further research is needed to explore neurobiological, psychological, and methodological contributors to expectancy effects in OCRD pharmacotherapy trials.</p>","PeriodicalId":48964,"journal":{"name":"Acta Neuropsychiatrica","volume":" ","pages":"e29"},"PeriodicalIF":2.5,"publicationDate":"2026-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC13130288/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147515920","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Electroconvulsive therapy during the COVID-19 pandemic: nationwide data from Denmark. COVID-19大流行期间的电休克治疗:来自丹麦的全国数据。
IF 2.5 4区 医学
Acta Neuropsychiatrica Pub Date : 2026-03-25 DOI: 10.1017/neu.2026.10068
Christian Jon Reinecke-Tellefsen, Anders Ørberg, Søren Dinesen Østergaard
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