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The current study will be a randomized controlled trial (RCT) investigating the clinical and cost-effectiveness of Mindfulness-Based Cognitive Therapy (MBCT) as an adjunct to usual care, versus usual care alone, in reducing depressive symptoms in patients with bipolar disorder. Outcome measures include depressive, (hypo)manic and anxiety symptoms, risk of relapse/recurrence, functioning and mental health/well-being. The study also aims to explore possible working mechanisms such as improvements of mindfulness and self-compassion skills. The study will have a follow-up duration of 15 months from baseline.
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Introduction:
In the Netherlands, the lifetime prevalence of bipolar disorder (BD) is about 1.2% for men and 1.4% for women (de Graaf et al 2010). BD usually manifests itself during late adolescence or early adulthood. Its course is often chronic, with patients suffering from recurrent depressive, (hypo)manic, or mixed episodes, being symptomatic about half of the time (Judd 2002). Although hospital admissions are more common during manic episodes, illness-related disability is more strongly influenced by depressive episodes (Judd 2003). It has been estimated that about 25-50% of the patients with BD attempts suicide at least once and that the risk of suicide is about 5%(Hawton 2005).
Depressive symptoms in BD are common and have been associated with negative effects on the course of bipolar disorder in terms of functional impairment and quality of life (Gutiérrez-Rojas 2008). There are limited data on how to optimize the treatment of persistent or residual depressive symptoms in BD or to improve outcomes for those patients who do not benefit sufficiently from the available treatments. In addition, there is a need for interventions that not only target symptom reduction but also help patients to cope with their illness from a wider perspective, i.e. in terms of their personal values, goals, and social roles.
Mindfulness-Based Cognitive Therapy (MBCT) is an innovative intervention that has been shown effective in reducing depressive symptoms in unipolar recurrent depression (Aalderen 2012, Kuyken 2016) and appears promising for coping with severe mental illness (Davis and Kurzban 2012). Little is known about the effectiveness of MBCT for BD, with a number of pilot studies showing reductions in depressive symptoms, and one RCT showing reduction of anxiety symptoms. Considering the need for additional psychosocial treatments that not only target symptomatic but also personal recovery, these preliminary but encouraging findings warrant a larger RCT examining the efficacy of MBCT for BD in the Netherlands.
Aims:
As there are limited data on how to improve outcomes for those patients who do not benefit sufficiently from the available treatments, this study aims to compare MBCT to TAU as an adjunctive treatment to reduce depressive symptoms in patients with bipolar disorder. Outcomes of MBCT for BD patients will be examined both on a symptom level (depression, mania, anxiety, risk of relapse/recurrence) and in terms of functioning and mental health/well-being, including its possible working mechanisms such as improvements of mindfulness and self-compassion skills.
Method:
A randomized, multicenter, prospective, evaluator-blinded clinical trial of MBCT added to treatment as usual (TAU) versus TAU alone. Assessments will be conducted at baseline and at 3, 6, 9, 12 and 15 months follow-up.
The intervention will consist of usual care, and for half of the participants MBCT will be offered in adjunct. MBCT is a manualised group skills-training program (Segal, Williams & Teasdale 2012) designed as a relapse prevention programme for patients with recurrent depression. The training consists of eight weekly sessions of 2.5 hours, plus one day of silent practice. The program includes both formal and informal meditation exercises. Cognitive techniques that are part of the program are education, monitoring and scheduling of activities, identification of negative automatic thoughts and devising a relapse prevention plan.
The MBCT treatment will based on the 8-week MBCT course developed by Segal, Williams and Teasdale (2012), but will be adapted to address the needs of patients with a bipolar disorder. A few examples of these adaptations are: (more) psychoeducation about manic symptoms in addition to the psychoeducation about depression; introducing the 3-minute breathing space earlier in the programme and more often during sessions, especially when strong emotions are present; repeatedly bringing the focus to self-care; and making use of the mindful movement (yoga) exercises more frequently. All group sessions will be conducted at the respective mental health centres, with each group comprising 8-12 participants. MBCT courses will be taught by experienced and qualified mindfulness teachers, together with a health care professional specialised in the care for BD patients. Teacher competency will be assessed with the Mindfulness-Based Interventions - Teaching Assessment Criteria (Crane et al 2013), for which all trial sessions will be videotaped.
Usual care will consist of pharmacotherapy, psycho-education and self-management interventions (usually with a psychiatric nurse).
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144 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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