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  • 1
    In: JAMA Psychiatry, American Medical Association (AMA)
    Abstract: Every third to sixth patient with medical diseases receives antidepressants, but regulatory trials typically exclude comorbid medical diseases. Meta-analyses of antidepressants have shown small to medium effect sizes, but generalizability to clinical settings is unclear, where medical comorbidity is highly prevalent. Objective To perform an umbrella systematic review of the meta-analytic evidence and meta-analysis of the efficacy and safety of antidepressant use in populations with medical diseases and comorbid depression. Data Sources PubMed and EMBASE were searched from inception until March 31, 2023, for systematic reviews with or without meta-analyses of randomized clinical trials (RCTs) examining the efficacy and safety of antidepressants for treatment or prevention of comorbid depression in any medical disease. Study Selection Meta-analyses of placebo- or active-controlled RCTs studying antidepressants for depression in individuals with medical diseases. Data Extraction and Synthesis Data extraction and quality assessment using A Measurement Tool for the Assessment of Multiple Systematic Reviews (AMSTAR-2 and AMSTAR-Content) were performed by pairs of independent reviewers following PRISMA guidelines. When several meta-analyses studied the same medical disease, the largest meta-analysis was included. Random-effects meta-analyses pooled data on the primary outcome (efficacy), key secondary outcomes (acceptability and tolerability), and additional secondary outcomes (response and remission). Main Outcomes and Measures Antidepressant efficacy presented as standardized mean differences (SMDs) and tolerability (discontinuation for adverse effects) and acceptability (all-cause discontinuation) presented as risk ratios (RRs). Results Of 6587 references, 176 systematic reviews were identified in 43 medical diseases. Altogether, 52 meta-analyses in 27 medical diseases were included in the evidence synthesis (mean [SD] AMSTAR-2 quality score, 9.3 [3.1] , with a maximum possible of 16; mean [SD] AMSTAR-Content score, 2.4 [1.9] , with a maximum possible of 9). Across medical diseases (23 meta-analyses), antidepressants improved depression vs placebo (SMD, 0.42 [95% CI, 0.30-0.54]; I 2  = 76.5%), with the largest SMDs for myocardial infarction (SMD, 1.38 [95% CI, 0.82-1.93]), functional chest pain (SMD, 0.87 [95% CI, 0.08-1.67] ), and coronary artery disease (SMD, 0.83 [95% CI, 0.32-1.33]) and the smallest for low back pain (SMD, 0.06 [95% CI, 0.17-0.39] ) and traumatic brain injury (SMD, 0.08 [95% CI, −0.28 to 0.45]). Antidepressants showed worse acceptability (24 meta-analyses; RR, 1.17 [95% CI, 1.02-1.32] ) and tolerability (18 meta-analyses; RR, 1.39 [95% CI, 1.13-1.64]) compared with placebo. Antidepressants led to higher rates of response (8 meta-analyses; RR, 1.54 [95% CI, 1.14-1.94] ) and remission (6 meta-analyses; RR, 1.43 [95% CI, 1.25-1.61]) than placebo. Antidepressants more likely prevented depression than placebo (7 meta-analyses; RR, 0.43 [95% CI, 0.33-0.53] ). Conclusions and Relevance The results of this umbrella systematic review of meta-analyses found that antidepressants are effective and safe in treating and preventing depression in patients with comorbid medical disease. However, few large, high-quality RCTs exist in most medical diseases.
    Type of Medium: Online Resource
    ISSN: 2168-622X
    Language: English
    Publisher: American Medical Association (AMA)
    Publication Date: 2023
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  • 2
    In: iScience, Elsevier BV, Vol. 24, No. 11 ( 2021-11), p. 103312-
    Type of Medium: Online Resource
    ISSN: 2589-0042
    Language: English
    Publisher: Elsevier BV
    Publication Date: 2021
    detail.hit.zdb_id: 2927064-9
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  • 3
    In: Addiction Biology, Wiley, Vol. 28, No. 7 ( 2023-07)
    Abstract: Social exclusion contributes to alcohol consumption, whereas the development of alcohol dependence (AD) can in turn lead to the social exclusion of people with AD. Previous research observed altered neural responses to experimentally induced social exclusion (i.e., Cyberball game) in patients with AD. In addition, inflammation has been associated with both social behaviours and AD. Our study aimed to investigate the dynamic behavioural response and the inflammatory effects of social exclusion in male patients with a history of AD. To this end, we analysed dynamic changes in ball tossing during a partial exclusion Cyberball game and the cytokine interleukin (IL)‐1b in saliva in 31 male patients who had a history of AD and 29 gender‐matched healthy controls without AD. Participants were included in the first 2 min of the Cyberball game and then excluded by one of the two co‐players in the proceeding 5 min. Saliva was collected three times: one before and two after the Cyberball game. Across groups, participants passed the ball more often to the excluder during the partial exclusion period. Analysis using piece‐wise linear mixed models showed that patients rapidly increased ball tosses to the excluder upon exclusion, which lasted to the late response phase, whereas the early behavioural response to exclusion took longer for controls. There was no significant change of salivary IL‐1b level to exclusion in either patients or controls. The results indicate a distinct dynamic behavioural response to social exclusion in male patients with a history of AD.
    Type of Medium: Online Resource
    ISSN: 1355-6215 , 1369-1600
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2023
    detail.hit.zdb_id: 1495537-4
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  • 4
    In: Epilepsia, Wiley, Vol. 58, No. 5 ( 2017-05), p. 858-871
    Abstract: An increase of neuronal Ca v 1.3 L‐type calcium channels ( LTCC s) has been observed in various animal models of epilepsy. However, LTCC inhibitors failed in clinical trials of epileptic treatment. There is compelling evidence that paroxysmal depolarization shifts ( PDS s) involve Ca 2+ influx through LTCC s. PDS s represent a hallmark of epileptiform activity. In recent years, a probable epileptogenic role for PDS s has been proposed. However, the implication of the two neuronal LTCC isoforms, Ca v 1.2 and Ca v 1.3, in PDS s remained unknown. Moreover, Ca 2+ ‐dependent nonspecific cation ( CAN ) channels have also been suspected to contribute to PDS s. Nevertheless, direct experimental support of an important role of CAN channel activation in PDS formation is still lacking. Methods Primary neuronal networks derived from dissociated hippocampal neurons were generated from mice expressing a dihydropyridine‐insensitive Ca v 1.2 mutant (Ca v 1.2 DHP −/− mice) or from Ca v 1.3 −/− knockout mice. To investigate the role of Ca v 1.2 and Ca v 1.3, perforated patch‐clamp recordings were made of epileptiform activity, which was elicited using either bicuculline or caffeine. LTCC activity was modulated using the dihydropyridines Bay K 8644 (agonist) and isradipine (antagonist). Results Distinct PDS could be elicited upon LTCC potentiation in Ca v 1.2 DHP −/− neurons but not in Ca v 1.3 −/− neurons. In contrast, when bicuculline led to long‐lasting, seizure‐like discharge events rather than PDS , these were prolonged in Ca v 1.3 −/− neurons but not in Ca v 1.2 DHP −/− neurons. Because only the Ca v 1.2 isoform is functionally coupled to CAN channels in primary hippocampal networks, PDS formation does not require CAN channel activity. Significance Our data suggest that the LTCC requirement of PDS relates primarily to Ca v 1.3 channels rather than to Ca v 1.2 channels and CAN channels in hippocampal neurons. Hence, Ca v 1.3 may represent a new therapeutic target for suppression of PDS development. The proposed epileptogenic role of PDS s may allow for a prophylactic rather than the unsuccessful seizure suppressing application of LTCC inhibitors.
    Type of Medium: Online Resource
    ISSN: 0013-9580 , 1528-1167
    URL: Issue
    RVK:
    Language: English
    Publisher: Wiley
    Publication Date: 2017
    detail.hit.zdb_id: 2002194-X
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  • 5
    In: Scientific Reports, Springer Science and Business Media LLC, Vol. 11, No. 1 ( 2021-05-13)
    Abstract: We aimed to evaluate SIGLEC1 (CD169) as a biomarker in multiple sclerosis (MS) and Neuromyelitis optica spectrum disorder (NMOSD) and to evaluate the presence of SIGLEC1 + myeloid cells in demyelinating diseases. We performed flow cytometry-based measurements of SIGLEC1 expression on monocytes in 86 MS patients, 41 NMOSD patients and 31 healthy controls. Additionally, we histologically evaluated the presence of SIGLEC1 + myeloid cells in acute and chronic MS brain lesions as well as other neurological diseases. We found elevated SIGLEC1 expression in 16/86 (18.6%) MS patients and 4/41 (9.8%) NMOSD patients. Almost all MS patients with high SIGLEC1 levels received exogenous interferon beta as an immunomodulatory treatment and only a small fraction of MS patients without interferon treatment had increased SIGLEC1 expression. In our cohort, SIGLEC1 expression on monocytes was—apart from those patients receiving interferon treatment—not significantly increased in patients with MS and NMOSD, nor were levels associated with more severe disease. SIGLEC1 + myeloid cells were abundantly present in active MS lesions as well as in a range of acute infectious and malignant diseases of the central nervous system, but not chronic MS lesions. The presence of SIGLEC1 + myeloid cells in brain lesions could be used to investigate the activity in an inflammatory CNS lesion.
    Type of Medium: Online Resource
    ISSN: 2045-2322
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2021
    detail.hit.zdb_id: 2615211-3
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  • 6
    In: Translational Psychiatry, Springer Science and Business Media LLC, Vol. 12, No. 1 ( 2022-10-05)
    Abstract: Despite advances in identifying the genetic basis of psychiatric and neurological disorders, fundamental questions about their evolutionary origins remain elusive. Here, introgressed variants from archaic humans such as Neandertals can serve as an intriguing research paradigm. We compared the number of associations for Neandertal variants to the number of associations of frequency-matched non-archaic variants with regard to human CNS disorders (neurological and psychiatric), nervous system drug prescriptions (as a proxy for disease), and related, non-disease phenotypes in the UK biobank (UKBB). While no enrichment for Neandertal genetic variants were observed in the UKBB for psychiatric or neurological disease categories, we found significant associations with certain behavioral phenotypes including pain, chronotype/sleep, smoking and alcohol consumption. In some instances, the enrichment signal was driven by Neandertal variants that represented the strongest association genome-wide. SNPs within a Neandertal haplotype that was associated with smoking in the UKBB could be replicated in four independent genomics datasets. Our data suggest that evolutionary processes in recent human evolution like admixture with Neandertals significantly contribute to behavioral phenotypes but not psychiatric and neurological diseases. These findings help to link genetic variants in a population to putative past beneficial effects, which likely only indirectly contribute to pathology in modern day humans
    Type of Medium: Online Resource
    ISSN: 2158-3188
    Language: English
    Publisher: Springer Science and Business Media LLC
    Publication Date: 2022
    detail.hit.zdb_id: 2609311-X
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  • 7
    In: Cell Biochemistry and Function, Wiley, Vol. 39, No. 3 ( 2021-04), p. 423-431
    Abstract: In this pilot study, we explored the immune phenotype of patients with severe obesity and comorbid depressive symptoms compared to non‐depressed patients with obesity and normal‐weight controls. Immune cell subsets were analysed by flow cytometry and depressive symptoms assessed using the Patient Health Questionnaire (PHQ‐9). Cell frequencies were correlated with depressive symptom scores and waist‐to‐hip ratio (WHR). Patients with obesity and comorbid depression showed significantly lower numbers of circulating cytotoxic natural killer cells, dendritic cells and CD8 + effector memory T cells, compared to normal‐weight controls. Regulatory T cells and CD4 + central memory T cells were increased compared to non‐depressed patients with obesity and compared to normal‐weight controls, respectively. Frequencies of cytotoxic natural killer cells and CD4 + central memory T cells significantly correlated with PHQ‐9 scores, but not with WHR. Reduced numbers of dendritic cells were observed in both patient groups with obesity and correlated with PHQ‐9 scores and WHR. These findings provide evidence for an altered immune composition in comorbid obesity and depression, supporting a pathobiological overlap between the two disorders.
    Type of Medium: Online Resource
    ISSN: 0263-6484 , 1099-0844
    URL: Issue
    Language: English
    Publisher: Wiley
    Publication Date: 2021
    detail.hit.zdb_id: 1496553-7
    SSG: 12
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