Publications by authors named "Digna van Schaik"

Objective: Interpersonal and social rhythm therapy (IPSRT) was developed to empower patients with mood disorders by stabilizing underlying disturbances in circadian rhythms and by using strategies from interpersonal psychotherapy. Group IPSRT has not been studied with a transdiagnostic sample of patients across the life span with either major depressive disorder or bipolar disorder.

Methods: Thirty-eight outpatients, ages 26-80, with major depressive disorder or bipolar disorder in any mood state were recruited from clinics in the Netherlands and were treated with 20 sessions (two per week) of group IPSRT.

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Article Synopsis
  • - Both antidepressant medication and running therapy are effective for treating depression and anxiety, but they might affect mental and physical health differently.
  • - In a study with 141 participants, remission rates after 16 weeks were similar for both treatments, but running therapy showed significant improvements in various physical health indicators like weight and blood pressure.
  • - The study had limitations, including a preference for running therapy among participants, which affected the sample size of each treatment group.
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Objective: Blended-format interpersonal psychotherapy (IPT) is an integrated approach consisting of alternating face-to-face (in person or videoconferencing) and online sessions, and this format may increase access to care, empower patients, and improve quality and cost-effectiveness of care. This study, conducted in the Netherlands, was one of the first to investigate the feasibility of blended-format IPT in specialized mental health care.

Methods: Participants (ages 18-64, N=21) with a unipolar depressive episode were recruited at an outpatient mood disorder clinic.

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Background: Anxiety and depressive disorders are prevalent in adolescents and young adults. However, most young people with mental health problems do not receive treatment. Computerized cognitive behavior therapy (cCBT) may provide an accessible alternative to face-to-face treatment, but the evidence base in young people is limited.

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(1) Background: Blended cognitive behavioral therapy (bCBT; online and face-to-face sessions) seems a promising alternative alongside regular face-to-face CBT depression treatment in specialized mental health care organizations. Therapists are key in the uptake of bCBT. This study focuses on therapists' perspectives on usability, satisfaction, and factors that promote or hinder the use of bCBT in routine practice; (2) Methods: Three focus groups ( = 8, = 7, = 6) and semi-structured in-depth interviews ( = 15) were held throughout the Netherlands.

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Background: Depressive and anxiety disorders have shown to be associated to premature or advanced biological aging and consequently to adversely impact somatic health. Treatments with antidepressant medication or running therapy are both found to be effective for many but not all patients with mood and anxiety disorders. These interventions may, however, work through different pathophysiological mechanisms and could differ in their impact on biological aging and somatic health.

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Background: Anxiety and depressive disorders are increasingly being viewed as chronic conditions with fluctuating symptom levels. Relapse prevention programmes are needed to increase self-management and prevent relapse. Fine-tuning relapse prevention programmes to the needs of patients may increase uptake and effectiveness.

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Background: This study aimed to identify subgroups for whom supported self-help preventive cognitive therapy (S-PCT) is more (cost)effective than treatment as usual (TAU) in preventing relapse and recurrence of major depression.

Methods: We conducted a randomized controlled trial in which 248 remitted, recurrently depressed participants were randomized to S-PCT (n = 124) or TAU (n = 124). Clinical outcome was relapse or recurrence of major depressive disorder (SCID-I).

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Article Synopsis
  • The DTUD is a newly developed Decision Tool aimed at identifying patients with Major Depressive Disorder (MDD) who require specialized care, addressing a significant gap in current treatment strategies.
  • The tool underwent a rigorous evaluation process, including a multicenter study with 243 participants, focusing on its reliability, clarity, and validation against existing measures of treatment resistance.
  • Results indicated that the DTUD is both efficient in administration and reliable, with a recommended cut-off score of ≥5 providing a good balance of sensitivity (67%) and specificity (83%) for identifying patients needing specialized care.
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Article Synopsis
  • The study aimed to improve long-term outcomes for patients with major depressive disorder by testing the effectiveness of preventive cognitive therapy (PCT) after cognitive behavioral therapy (CBT).
  • A trial involving 214 patients in remission from depression was conducted, comparing PCT with standard care, finding that PCT significantly delayed relapse over 15 months.
  • Although PCT helped in delaying relapse, it did not show a difference in the number or severity of relapses or residual symptoms compared to standard care.
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Childhood abuse is a major public health problem that has been linked to depression in adulthood. Although different types of childhood abuse often co-occur, few studies have examined their unique impact on negative mental health outcomes. Most studies have focused solely on the consequences of childhood physical or sexual abuse; however, it has been suggested that childhood emotional abuse is more strongly related to depression.

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Article Synopsis
  • - The study evaluates the cost-effectiveness of a supportive self-help therapy (S-PCT) combined with standard treatment (TAU) for preventing relapse in patients with a history of depression currently in remission.
  • - The findings show that S-PCT reduced relapse or recurrence of depression by 15%, but had higher societal costs, with mixed results regarding its cost-effectiveness based on willingness to pay thresholds.
  • - Ultimately, the research suggests that whether S-PCT is considered cost-effective depends on the decision-makers' willingness to pay, but overall, it may not be cost-effective compared to TAU.
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Background: Psychiatric patients are at high risk of becoming victim of a violent crime compared to the general population. Although most research has focused on patients with severe mental illness, depressed patients have been demonstrated to be prone to victimization as well. Victimization is associated with more severe symptomatology, decreased quality of life, and high risk of revictimization.

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Background: The burden and economic consequences of depression are high, mostly due to its recurrent nature. Due to current budget and time restraints, a preventive, low- cost, accessible minimal intervention is much needed. In this study, we evaluated the effectiveness of a supported self-help preventive cognitive therapy (S-PCT) added to treatment as usual (TAU) in primary care, compared to TAU alone.

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Background: Internet-based Cognitive Behavioural Therapy (iCBT) for the treatment of depressive disorders is innovative and promising. Various studies have demonstrated large effect sizes up to 2.27, but implementation in routine practice lags behind.

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Background: Mindfulness-based cognitive therapy (MBCT) and maintenance antidepressant medication (mADM) both reduce the risk of relapse in recurrent depression, but their combination has not been studied.

Aims: To investigate whether MBCT with discontinuation of mADM is non-inferior to MBCT+mADM.

Method: A multicentre randomised controlled non-inferiority trial (ClinicalTrials.

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Background: Previous studies have suggested that patients' treatment preferences may influence treatment outcome. The current study investigated whether preference for either mindfulness-based cognitive therapy (MBCT) or maintenance antidepressant medication (mADM) to prevent relapse in recurrent depression was associated with patients' characteristics, treatment adherence, or treatment outcome of MBCT.

Methods: The data originated from two parallel randomised controlled trials, the first comparing the combination of MBCT and mADM to MBCT in patients preferring MBCT (n=249), the second comparing the combination to mADM alone in patients preferring mADM (n=68).

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Background: Mindfulness-based cognitive therapy (MBCT) and maintenance antidepressant medication (mADM) both reduce the risk of relapse in recurrent depression, but their combination has not been studied. Our aim was to investigate whether the addition of MBCT to mADM is a more effective prevention strategy than mADM alone.

Methods: This study is one of two multicenter randomised trials comparing the combination of MBCT and mADM to either intervention on its own.

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Background: The level of acculturation of migrants varies and is associated with variations in mental health. However, this association is complex and may differ among migrant groups.

Aim: The aim of this study is to explore the association between acculturation, mental health and treatment effect.

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Objective: Depression and anxiety are considered etiological factors in cardiovascular disease (CVD), though their relative contribution and differentiation by clinical characteristics have not been studied intensively. We examined 6-year associations between depressive and anxiety disorders, clinical characteristics and newly-developed CVD.

Methods: DSM-IV diagnoses were established in 2510 CVD-free participants of the Netherlands Study of Depression and Anxiety.

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Background: Military deployment to combat zones puts military personnel to a number of physical and mental challenges that may adversely affect mental health. Until now, few studies have been performed in Europe on mental health utilization after military deployment.

Objective: We compared the incidence of mental health consultations with the Military Mental Health Service (MMHS) of military deployed to Afghanistan to that of non-deployed military personnel.

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Background: It is widely agreed that chronic depression is difficult to treat, knowledge about optimal treatment approaches is emerging.

Method: A multisite randomized controlled trial was conducted comparing the cognitive behavioral analysis system of psychotherapy (CBASP), a psychotherapy model developed specifically to treat chronic depression (n = 67) with care as usual (CAU; evidence-based treatments, n = 72) over a period of 52 weeks, with 23 sessions on average, in 3 outpatient clinics in the Netherlands. In both arms algorithm-based pharmacotherapy was provided.

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Background: Depression and anxiety are common in residents of elderly homes. Both disorders have negative effects on functioning, well-being and health-care utilisation. Besides treatment, prevention can be an option to reduce the burden of mental disorders.

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Objectives: The objective of this study was to evaluate the 2-year effects of a stepped-care programme to prevent the onset of a major depressive disorder (MDD) in older people living in residential homes.

Methods: A 2-year follow-up study of a pragmatic randomised controlled trial was conducted in 14 residential homes in the Netherlands. A total of 185 residents (Center for Epidemiologic Studies Depression Scale score >7), who did not meet the diagnostic criteria for MDD, were randomised to a stepped-care programme (n = 93) or to usual care (n = 92).

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