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Recruitment was concluded early after including 75 participants, which fell short of our initial target of 120. This was mainly due to the impact of COVID-19 lockdowns and a higher than anticipated attrition rate.
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This study aims to assess the effectiveness of Mindfulness Based Stress reduction to reduce perceived stress in a highly stressed student population, while concurrently investigating neural mechanisms of the intervention. The investigators will perform a randomized, wait-list controlled trial assessing clinical and neurocognitive outcomes as well as measures of daily life stress reactivity.
Rationale: Prolonged stress exposure can put people at risk of developing stress-related symptomatology, such as burnout, sleeping disorders, depression and anxiety. Students reporting high levels of perceived stress are an at-risk population that could potentially benefit from a stress-reduction intervention. One approach to reduce stress is Mindfulness Based Stress Reduction (MBSR). Although proven effective, additional evidence is required on the effectiveness of MBSR in reducing stress-related symptoms in student sample pre-selected on high stress. Furthermore, the working mechanisms of MBSR are only marginally understood. This is problematic, because gaining better mechanistic insight on how MBSR works might lead (1) to basic scientific insights into stress and stress resilience and (2) clinically, to improve the provided interventions . In the light of preliminary psychological study results on MBSR the investigators hypothesize that MBSR will not only foster stress-reduction via cognitive control but also via experiential exposure. In accordance with this hypothesis and based on neurocognitive findings in basic stress research and previous mechanistic studies on MBSR, the investigators will assess whether MBSR indeed leads to improved stress-regulation by enhancing both cognitive and affective processing, which will be reflected in neural network configuration.
Objective: The main objective of this study is to assess the effectiveness of MBSR to reduce perceived stress in a highly stressed student population. Our main objective regarding working mechanisms of MBSR is to assess possible MBSR induced changes in large-scale neural network configuration and self-regulation of these networks. Additionally, this study aims to explore possible mediators and moderators of the treatment effect, both in terms of psychological traits, and neural patterns.
Study design: The investigators will perform a two-arm randomized, wait-list controlled trial with a randomisation ratio of 1:1. Participants will be randomised into a treatment and wait-list group after baseline Clinical Assessments (CA), Neurocognitive Assessments (NA), and Ecological Momentary Assessments (EMA). In the following two months the experimental group will participate in an MBSR training and the control group will wait for two months. Another CA and NA and EMA will take place 3 months after baseline. 6 months after baseline there will be a follow-up CA. Participants in the wait-list group will then receive an MBSR training, after which they will perform another CA.
Study population: The investigators will recruit 60 students per group ( total: 120) from Radboud University, Radboudumc, and HAN University of Applied Sciences in Arnhem and Nijmegen with high perceived stress. Participants above 18 years, able to give consent, who score ≥ 16 on the Perceived Stress Scale will be prompted to join our study. Participants will be excluded if they are receiving current specialised psychological or psychiatric treatment or medication, if they have insufficient comprehension of the Dutch language, if they have physical, cognitive, or intellectual impairments interfering with participation, such as deafness, blindness, or sensori-motor handicaps, if they were formerly or currently involved in MBCT or MBSR training, if they have a current drug or alcohol addiction, and if they have contraindications for MRI scanning (e.g., pacemaker, implanted metal parts, deep brain stimulation, claustrophobia, epilepsy, brain surgery, pregnancy).
Intervention: Participants in the treatment group will follow an MBSR training which consists of 8 weekly sessions lasting 2,5 hours; a silent day of approximately 6 hours; and daily home practice assignments of about 45 minutes. The control group will follow the training at the end of the study (7 months after baseline), therefore acting as a wait-list control group during the measurements.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| MBSR group | Experimental | The MBSR group participants will receive an Mindfulness Based Stress Reduction training programme over 2 months. |
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| Wait-list group | No Intervention | The wait-list control group participants will wait while the experimental group is participating in the Mindfulness Based Stress Reduction training. This group will follow the training at the end of the study (7 months after baseline), after all relevant measurements are concluded. |
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Mindfulness Based Stress Reduction | Behavioral | The intervention used is an MBSR training which is based on the Mindfulness-Based Stress Reduction programme as developed by Kabat-Zinn (1982). The training consists of 8 weekly sessions lasting 2,5 hours. A silent day of approximately 6 hours is also included, as well as daily home practice assignments of about 45 minutes. During the training participants will learn to focus their attention in the present moment in an accepting and non-judgemental way, rather than ruminating about past and future experiences. The training includes formal exercises during which participants will practice the body scan, sitting meditation, walking meditation and mindful movement. Informal exercises are also included, such as performing a daily activity with full attention to the present experience. The training is led by qualified teachers meeting the advanced criteria of the Association of Mindfulness Based Teachers in the Netherlands and Flanders (www.vmbn.nl) |
| Measure | Description | Time Frame |
|---|---|---|
| Difference in perceived stress between experimental and control group | This is measured by the total score of the Perceived Stress Scale (PSS) 10-item questionnaire (range 0-40), which evaluates the degree to which an individual perceives their life as unpredictable, uncontrollable and overloading. | Change between baseline and 3 months |
| Measure | Description | Time Frame |
|---|---|---|
| Depressive symptoms | Assessed with the IDS-SR: Inventory of Depressive Symptomatology Self-Report, which is a self-reported 30-item measure of depressive symptom severity (range 0-93). | At baseline, 3 months, 6 months |
| Anxiety |
| Measure | Description | Time Frame |
|---|---|---|
| Daily life stress reactivity | Assessed using 6 surveys per day with mood- and stress-related questions (i.e. ecological momentary assessments) for 6 continuous days, coupled with physiological measures (heart rate, skin conductance, skin temperature, and movement), to assess stress reactivity in daily life. | At baseline, 3 months |
Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Prof. Dr. Erno Hermans | Radboud University Medical Center | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Radboud University Medical Center | Nijmegen | Gelderland | 6500HB | Netherlands |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 28501707 | Background | Alsubaie M, Abbott R, Dunn B, Dickens C, Keil TF, Henley W, Kuyken W. Mechanisms of action in mindfulness-based cognitive therapy (MBCT) and mindfulness-based stress reduction (MBSR) in people with physical and/or psychological conditions: A systematic review. Clin Psychol Rev. 2017 Jul;55:74-91. doi: 10.1016/j.cpr.2017.04.008. Epub 2017 Apr 23. | |
| 24766931 |
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Data can be shared upon request using the Donders Institute research data repository (http://data.donders.ru.nl) in accordance to institutional and EU guidelines.
The data will be stored and archived through the data management infrastructure of the Donders Institute, and will be kept for at least 15 years.
Access to data is managed by the researchers responsible for the data and they can decide to give access rights to other individuals when necessary or requested.
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| ID | Term |
|---|---|
| D000099024 | Mindfulness-Based Stress Reduction |
| ID | Term |
|---|---|
| D064866 | Mindfulness |
| D015928 | Cognitive Behavioral Therapy |
| D001521 | Behavior Therapy |
| D011613 | Psychotherapy |
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We will perform a randomized, wait-list controlled trial with a Mindfulness-Based Stress Reduction (MBSR) intervention, based on the programme developed by Kabat-Zinn (1982).
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Baseline Measurements will occur before group assignments and therefore both participants and researchers are blinded to these measurements. Post-treatment measurements are de-blinded.
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Assessed with the STAI: State and Trait Anxiety Inventory, which is a self-reported 20-item measure of trait (range 20-80) and a self-reported 20-item measure (range 20-80) state anxiety.
| At baseline, 3 months, 6 months |
| Alcohol use | Assessed with the AUDIT: Alcohol Use Disorders Identification Test, which is a 10-item screening tool developed by the World Health Organization (WHO) to assess alcohol consumption, drinking behaviours, and alcohol-related problems (range 0-40). | At baseline, 3 months, 6 months |
| Childhood trauma | Assessed with the MACE-X: Maltreatment and Abuse Chronology of Exposure Scale, which is a self-reported questionnaire which used to assess the extent as well as the severity of traumatic experiences of participants in their childhood. | At baseline |
| Personality traits | Assessed with the NEO-FFI: NEO Five Factor Inventory, which is a 60-item self-reported questionnaire and covers a set of five broad personality trait dimensions or domains: Extraversion, Agreeableness, Conscientiousness, Neuroticism, and Openness to Experience. | At baseline, 3 months, 6 months |
| Repetitive negative thinking | Assessed with the PTQ: Perseverative Thinking Questionnaire, which is a 15-item self-reported questionnaire and is used to assess repetitive negative thinking in a content-free manner (range 0-60). | At baseline, 3 months, 6 months |
| Cognitive reactivity | Assessed with the LEIDS-R: Leiden Index of Depression Sensitivity - Revised, which is a 34-item self-reported questionnaire measuring cognitive reactivity to sadness (range 0-136). | At baseline, 3 months, 6 months |
| Allowing of emotions | Assessed with the AAQ: Acceptance and Action Questionnaire, which is a 10-item self-reported questionnaire measuring psychological flexibility and experiential acceptance (range 10-70). | At baseline, 3 months, 6 months |
| Mindfulness skills | Assessed with the FFMQ-SF: short version of the Five-Facet Mindfulness Questionnaire, which is a 24-item self-reported questionnaire measuring five aspects of mindfulness, namely observation, description, aware actions, non-judgemental inner experience, and non-reactivity. | Time Frame: At baseline, 3 months, 6 months |
| Self-compassion | Assessed with the SCS-S: short version of the Self-Compassion Scale, which is a 12-item self-reported questionnaire measuring consisting of six components, including self-kindness, self-judgment, common humanity, isolation, mindfulness and over-identification. | At baseline, 3 months, 6 months |
| Stress Resilience | Assessed with the CD-RISC: Connor-Davidson Resilience Scale, which is a 25-item self-reported measure of stress resilience (range 0-100) | At baseline, 3 months, 6 months |
| Positive mental health | Assessed with the MHC-SF: short form of the Mental Health Continuum, which is a 14-item self-report questionnaire that assesses emotional, psychological and social well-being (range 0-70). | At baseline, 3 months, 6 months |
| Blood Oxygen Level Dependent (BOLD) signal | Assessed using Functional Magnetic Resonance Imaging (fMRI) during four tasks (Resting State, Fear conditioning paradigm, Emotional Stroop task, and Self-regulation using neurofeedback). This will be used to determine activity, connectivity and cohesion patterns of largescale brain networks during these stress regulation tasks. | At baseline, 3 months |
| Automatic exogenous stress regulation | Assessed using a differential fear conditioning and extinction paradigm. This task will be used to measure the retention of safety learning in an experimental model of exposure therapy. This measure is operationalized as the reduction of spontaneous recovery of autonomic nervous system reactivity (skin conductance, heart rate, and pupil dilation responses) to fear-conditioned stimuli one day after extinction of fearful memories (i.e., safety learning). | At baseline, 3 months |
| Controlled exogenous stress regulation | Assessed during a Stroop-like emotional conflict resolution task. We will measure cognitive control processes in the context of conflicting emotional information by measuring reaction times and accuracy scores during the task. | At baseline, 3 months |
| Automatic endogenous stress regulation | Assessed using during a resting state Functional Magnetic Resonance Imaging (fMRI) scan following a laboratory stress-induction procedure. Stress responses will be assessed through repeated measurement of salivary cortisol levels, pupillary responses and heart rate. | At baseline, 3 months |
| Controlled endogenous stress regulation | Assessed using a Real-time Functional Magnetic Resonance Imaging (fMRI) Neurofeedback task based on largescale brain network balance. This task will test individuals' ability to dynamically self-regulate their configuration of largescale brain networks. | At baseline, 3 months |
| Hermans EJ, Henckens MJ, Joels M, Fernandez G. Dynamic adaptation of large-scale brain networks in response to acute stressors. Trends Neurosci. 2014 Jun;37(6):304-14. doi: 10.1016/j.tins.2014.03.006. Epub 2014 Apr 21. |
| 25428333 | Background | Lyndon MP, Strom JM, Alyami HM, Yu TC, Wilson NC, Singh PP, Lemanu DP, Yielder J, Hill AG. The relationship between academic assessment and psychological distress among medical students: a systematic review. Perspect Med Educ. 2014 Dec;3(6):405-418. doi: 10.1007/s40037-014-0148-6. |
| 25818837 | Background | Khoury B, Sharma M, Rush SE, Fournier C. Mindfulness-based stress reduction for healthy individuals: A meta-analysis. J Psychosom Res. 2015 Jun;78(6):519-28. doi: 10.1016/j.jpsychores.2015.03.009. Epub 2015 Mar 20. |
| 1609875 | Background | Kabat-Zinn J, Massion AO, Kristeller J, Peterson LG, Fletcher KE, Pbert L, Lenderking WR, Santorelli SF. Effectiveness of a meditation-based stress reduction program in the treatment of anxiety disorders. Am J Psychiatry. 1992 Jul;149(7):936-43. doi: 10.1176/ajp.149.7.936. |
| 37393359 | Derived | Kogias N, Geurts DEM, Krause F, Speckens AEM, Hermans EJ. Study protocol for a randomised controlled trial investigating the effects of Mindfulness Based Stress Reduction on stress regulation and associated neurocognitive mechanisms in stressed university students: the MindRest study. BMC Psychol. 2023 Jul 1;11(1):194. doi: 10.1186/s40359-023-01220-4. |
| D004191 |
| Behavioral Disciplines and Activities |