Publications by authors named "Hoogendoorn A"

Sleep disturbances and reduced physical activity (PA) are important risk factors for poor physical and mental health outcomes in people with psychosis. However, the precise interrelations between sleep, PA and psychopathology remain unclear. This study combined experience sampling (ESM) and actigraphy in thirty-two patients with a schizophrenia spectrum disorder to investigate interrelations of day-to-day variations in actigraphic estimates of PA and sleep and psychotic and affective symptoms.

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Background: Repetitive transcranial magnetic stimulation (rTMS) is effective for treatment-resistant depression (TRD). Optimal rTMS parameters remain unclear, especially whether number of sessions or amount of pulses contribute more to treatment outcome. We hypothesize that treatment outcome depends on the number of sessions rather than on the amount of pulses.

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Article Synopsis
  • This study explores how brain activation during symptom provocation tasks can predict the effectiveness of a combined treatment of rTMS and ERP for patients with treatment-resistant OCD.
  • Sixty-one adults with OCD participated in fMRI scans to measure brain activity in response to OCD-related stimuli before undergoing an 8-week treatment regimen, with multiple rTMS applied to different brain areas.
  • Results indicated that higher activation in the right amygdala prior to treatment was associated with a better response to therapy, while activation in the dorsal anterior cingulate cortex had a negative association with treatment outcomes.
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Deep-intronic (DI) variants represent approximately 10%-12% of disease-causing genetic defects in -associated Stargardt disease (STGD1). Although many of these DI variants are amenable to antisense oligonucleotide-based splicing-modulation therapy, no treatment is currently available. These molecules are mostly variant specific, limiting their applicability to a broader patient population.

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Reliable predictors for electroconvulsive therapy (ECT) effectiveness would allow a more precise and personalized approach for the treatment of major depressive disorder (MDD). Prediction models were created using a priori selected clinical variables based on previous meta-analyses. Multivariable linear regression analysis was used, applying backwards selection to determine predictor variables while allowing non-linear relations, to develop a prediction model for depression outcome post-ECT (and logistic regression for remission and response as secondary outcome measures).

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Introduction: Although cognitive behavioral therapy (CBT) effectively treats obsessive-compulsive disorder (OCD), many patients refuse CBT or drop out prematurely, partly because of anxiety regarding exposure and response prevention (ERP) exercises. Inference-based cognitive behavioral therapy (I-CBT) focuses on correcting distorted inferential thinking patterns, enhancing reality-based reasoning, and addressing obsessional doubt by targeting underlying dysfunctional reasoning, without incorporating an ERP component. We hypothesized that I-CBT would be non-inferior to CBT.

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Background: Shared decision-making (SDM) is of increasing importance in mental health care, however, large studies on the effects of SDM in bipolar disorder (BD) are scarce.

Aim: To gain insight into the relationships between SDM, guideline concordance of treatments in everyday practice, satisfaction with care, and medication adherence in BD.

Method: In a nationwide observational study on the treatment of BD, patients were asked questions about their involvement in treatment.

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Objective: This study examined the effects of switching antipsychotic polypharmacy (APP) to antipsychotic monotherapy (APM) on various side effects in inpatients with schizophrenia. Side effects of interest included psychic, autonomic, and sexual symptoms, as well as metabolic side effects and movement disorders.

Method: A 9-month parallel randomized open-label clinical trial was conducted involving 136 chronic inpatients from two psychiatric hospitals in the Netherlands.

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Background: Patients with bipolar disorder benefit from guidelines recommended continuous community-oriented psychiatric and somatic healthcare, but often discontinue psychiatric care.

Aims: The first objective was to identify predictive factors of discontinuity of psychiatric care among patients who had received psychiatric care. The second objective was to examine if practice variation in discontinuity of psychiatric care existed between providers of psychiatric care.

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Article Synopsis
  • Individual participant data (IPD) meta-analysis allows for better understanding of interaction and effect modification compared to traditional studies, especially in public health contexts.
  • The text emphasizes the importance of focusing on additive interactions rather than just multiplicative ones, particularly using measures like Relative Excess Risk due to Interaction (RERI).
  • A three-step method is proposed to correctly estimate additive interaction across studies, ensuring valid results when analyzing factors like the link between depression, smoking, and cancer risk using available data.
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Antisense oligonucleotides (AONs) are a versatile tool for treating inherited retinal diseases. However, little is known about how different chemical modifications of AONs can affect their biodistribution, toxicity, and uptake in the retina. Here, we addressed this question by comparing splice-switching AONs with three different chemical modifications commonly used in a clinical setting (2'O-methyl-phosphorothioate (2-OMe/PS), 2'O-methoxyethyl-phosphoriate (2-MOE/PS), and phosphorodiamidite morpholino oligomers (PMO)).

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Background: Repetitive transcranial magnetic stimulation (rTMS) is an emerging treatment for obsessive-compulsive disorder (OCD). The neurobiological mechanisms of rTMS in OCD have been incompletely characterized. We compared clinical outcomes and changes in task-based brain activation following 3 different rTMS protocols, all combined with exposure and response prevention.

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ALDH7A1 encodes for the enzyme catalyzing the third step of the lysine degradation pathway. Biallelic pathogenic variants in ALDH7A1 are associated with pyridoxine dependent epilepsy (PDE), of which the c.1279G>C (p.

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GCDH encodes for the enzyme catalyzing the sixth step of the lysine degradation pathway. Autosomal recessive variants in GCDH are associated with glutaric aciduria type I (GA1), of which a wide genotypic spectrum of pathogenic variants have been described. In this study, hiPSC lines derived from four GA1 patients with different genotypes were generated and fully characterized.

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Despite the emergence of novel diagnostic, pharmacological, interventional, and prevention strategies, atherosclerotic cardiovascular disease remains a significant cause of morbidity and mortality. Nanoparticle (NP)-based platforms encompass diverse imaging, delivery, and pharmacological properties that provide novel opportunities for refining diagnostic and therapeutic interventions for atherosclerosis at the cellular and molecular levels. Macrophages play a critical role in atherosclerosis and therefore represent an important disease-related diagnostic and therapeutic target, especially given their inherent ability for passive and active NP uptake.

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Article Synopsis
  • The study investigates how health behaviors like smoking, physical inactivity, and alcohol use may mediate the relationship between depression, anxiety, and different types of cancer, including lung and breast cancer.
  • Utilizing data from 18 cohorts with a total of 319,613 participants, the researchers performed two-stage meta-analyses to analyze these associations and calculate the mediating effects.
  • Results showed that smoking and physical inactivity significantly mediated links between depression, anxiety, and lung cancer, highlighting the importance of smoking cessation programs for individuals dealing with mental health issues.
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  • The study investigates the role of psychosocial factors, like depression and anxiety, in how health behaviors (such as smoking and alcohol use) influence cancer incidence.
  • Utilizing data from 437,827 participants and 22 cohorts, researchers performed meta-analyses to assess potential interactions between psychosocial factors and health behaviors across various types of cancer.
  • Results showed no significant interactions or clear patterns; the risk of cancer linked to health behaviors appeared consistent regardless of the presence of psychosocial stress.
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Background: Work-related stress and burnout remain common problems among employees, leading to impaired health and higher absenteeism. The use of mobile health apps to promote well-being has grown substantially; however, the impact of such apps on reducing stress and preventing burnout is limited.

Objective: This study aims to assess the effectiveness of STAPP@Work, a mobile-based stress management intervention, on perceived stress, coping self-efficacy, and the level of burnout among mental health employees.

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Background: Electroconvulsive therapy (ECT) is a highly effective treatment for major depressive episodes (MDE). However, ECT-induced cognitive side-effects remain a concern. Identification of pre-treatment predictors that contribute to these side-effects remain unclear.

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Background: Repetitive transcranial magnetic stimulation (rTMS) is an emerging treatment option for obsessive-compulsive disorder (OCD). The neurobiological mechanisms of rTMS in OCD have, however, been incompletely characterized. We compared clinical outcomes and changes in task-based brain activation following three different rTMS stimulation protocols, all combined with exposure and response prevention (ERP).

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Epistemic trust (ET) refers to the predisposition to trust information as authentic, trustworthy and relevant to the self. Epistemic distrust - resulting from early adversity - may interfere with openness to social learning within the therapeutic encounter, reducing the ability to benefit from treatment. The self-report Questionnaire Epistemic Trust (QET) is a newly developed instrument that aims to assess ET.

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Objective: Patients with obsessive-compulsive disorder (OCD) and poor insight show higher symptom severity, lower quality of life (QoL), and a reduced treatment response compared to patients with good insight. Little is known about changes in insight. This study explored the course of insight and its association with OCD severity and QoL among 253 patients with OCD participating in the prospective naturalistic Netherlands Obsessive Compulsive Disorder Association (NOCDA) Study.

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Article Synopsis
  • Depression and anxiety have been studied as potential risk factors for various types of cancer, but previous research has produced inconclusive results.
  • The PSY-CA consortium analyzed data from 18 cohorts, including over 319,000 participants, to investigate the relationship between these mental health conditions and cancer incidence using detailed statistical methods.
  • The findings revealed no significant links between depression or anxiety and most cancer types, although there was a slight association with lung and smoking-related cancers, which diminished after accounting for other risk factors like smoking and alcohol consumption.
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