NCT Number: NCT03067311
To test the feasibility of a clinical trial implementing I-CAT, a novel therapeutic intervention combining strategies to improve stress reactivity and increase meaningful coping, as well as a range of possible proximal (e.g. autonomic, endocrine, immune indices of stress reactivity, symptom severity) and distal measures (function, relapse, quality of life) for 40 people with first episode psychosis in the context of a small randomized controlled trial.
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Notify Me15 year–35 year
All sexes
Interventional
Not applicable
UNC OASIS Carrboro, Carrboro, North Carolina, United States
Schizophrenia is one of the most devastating disorders that often results in a lack of functional recovery. Current treatments focused on remediating symptoms have shown only small successes in a return to functioning despite evidence of a dysregulated stress response. There is a fundamental gap in understanding the impact of allostatic overload in persons with schizophrenia that the investigators theorize is associated with deficits in functioning and with an increased vulnerability and relapse risk. The long-term goal is to test an intervention aimed at improving stress reactivity. The objective in this application is to develop and test the feasibility of a novel therapeutic intervention combining strategies to improve stress reactivity and increase meaningful coping. The central hypothesis is that an intervention that improves stress reactivity as measured proximally by endocrine, immune, and autonomic indices will result in improved adaptive capacity, better role functioning, reduced risk of relapse, and decreased likelihood of disability for people in the early stages of schizophrenia.
The rationale for the proposed research is that stress reactivity may be a modifiable risk factor underlying functional deficits in schizophrenia. The intervention integrates two treatment approaches. The first is based on research showing that mindfulness meditation practice is associated with alterations in the neural processing of stressful events and targets adaptive responses to stress. The second focuses on providing a buffer against stress by using the self-generation of adaptive emotions with a positive psychology intervention, which is potentially associated with building protective social resources. These complimentary interventions provide a comprehensive synergistic approach for this population that could lead to more adaptive coping responses and create a buffer against stress
Healthy volunteers accepted: No
Only the study team can determine whether someone qualifies for participation.
Inclusion criteria
Exclusion criteria
I-CAT is a novel therapeutic intervention combining mindfulness and meditation strategies to improve stress reactivity and increase meaningful coping, as well as a range of possible proximal (e.g. autonomic, endocrine, immune indices of stress reactivity, symptom severity) and distal measures (function, relapse, quality of life).
Treatment as usual defined by participant clinician at OASIS clinic.
Time frame: Baseline, 4.5, 9, and 12 months
The modified self-report Differential Emotion Scale (mDES) assessed the frequency of experiencing discrete emotions from the previous week. Items are endorsed on a five-point scale indicating frequency (0 = not at all, 4 = most of the time). Items are summed to yield positive (mDES - Positive) and negative emotion (mDES - Negative) subscales (range for both 0-40). Higher scores on the positive subscale indicate more positive emotions. Assessed at 4.5 months, 9 months, 12 months.
Time frame: Baseline, 4.5, 9, and 12 months
The modified self-report Differential Emotion Scale (mDES) assessed the frequency of experiencing discrete emotions from the previous week. Items are endorsed on a five-point scale indicating frequency (0 = not at all, 4 = most of the time). Items are summed to yield positive (mDES - Positive) and negative emotion (mDES - Negative) subscales (range for both 0-40). Higher scores on the negative subscale indicate more negative emotions. Assessed at 4.5 months, 9 months, 12 months.
Time frame: Baseline, 4.5, 9, and 12 months
The Quality of Life Scale (QLS) is a semi-structured 7-item interview with sub scales, including active acquaintances, social initiatives, occupational role functioning, degree of motivation, anhedonia, commonplace objects, and capacity for empathy. The 7-items are rated on a 7-point scale with higher ratings reflecting less impaired functioning (total range 7-49). Assessed at 4.5 months, 9 months, 12 months.
Time frame: Baseline, 4.5, 9, and 12 months
The First Episode Social Functioning Scale (FESFS) is a 42-item self-report measure assessing social functioning in early SSD. The FESFS includes a total score and eight subscales assessing: independent living skills, interacting with people in different contexts, social activities, intimacy, friendships, family relations, work, and school. Domain scores are averaged with higher scores reflecting better perceived functioning (range 0-4). Assessed at 4.5 months, 9 months, 12 months.
Time frame: Baseline, 4.5, 9, and 12 months
The Perceived Stress Scale (PSS) is a ten-item self-report measure of the degree to which daily situations from the past week are perceived as stressful, unpredictable, uncontrollable, as well as how "overloaded" individuals feel (0 = never, 4 = very often). Items are summed for a total score (range 0 - 40) with higher scores indicating more perceived stress. Assessed at 4.5 months, 9 months, 12 months.
Time frame: Baseline, 4.5, 9, and 12 months
The Daily Stress Inventory (DSI) is a 58-item self-report measure assessing the frequency and intensity of stressful events within the past 24-hours. If an event is endorsed, participants rate the amount of stress the event caused (0 = did not occur, 1 = occurred but was not stressful to 7 = occurred and caused me to panic). The DSI yields an average impact rating (AIR; average impact of ratings given items endorsed [sum/frequency]; range 1-7) with higher scores indicating more daily stress. Assessed at 4.5 months, 9 months, 12 months.
Time frame: Baseline, 9 months
Salivary cortisol levels were collected as a measure of psychological stress.
Time frame: Baseline, 4.5, 9, and 12 months
The Positive and Negative Syndrome Scale (PANSS) assessed current symptoms. PANSS items are rated on a seven-point scale with higher scores reflecting more severe symptoms (ICCs for study assessors >.90). Items are summed for a total score (range 30 - 210). Assessed at 4.5 months, 9 months, 12 months.
Time frame: Baseline, 4.5, 9, and 12 months
The Five Facet Mindfulness Questionnaire (FFMQ) is a 39-item self-report measure assessing facets of being mindful in daily life (i.e., observing, describing, acting with awareness, non-reactivity to inner experience, and non-judging of inner experience). Items are endorsed on a five-point scale (1 = never or rarely true to 5 = very often or always true) and averaged for a total score (range 1-5) with higher scores indicating greater mindfulness ability. Assessed at 4.5 months, 9 months, 12 months.
Time frame: Baseline, 4.5, 9, and 12 months
The Self-Compassion Scale Short Form (SCS) is a 12-item self-report measure of self-compassion. SCS items are endorsed on a five-point scale (1 = almost never to 5 = almost always) and are summed for a total score (range 12 - 60) with higher scores indicating higher levels of self-compassion. Assessed at 4.5 months, 9 months, 12 months.
Time frame: Baseline, 4.5, 9, and 12 months
The Psychological Well-Being Scale (PWB) is a 54-item self-report measure with items endorsed on a seven-point scale (1 = strongly disagree to 6 = strongly agree). Items are summed for a total score (range 54 - 324) with higher scores indicating better psychological well-being. Assessed at 4.5 months, 9 months, 12 months.
Time frame: 9 months
Index of heart rate variability assessed as the ratio of low-to-high frequencies in the respiratory-cardiac power spectrum. Mean level respiratory sinus arrhythmia (RSA) derived from heart rate monitor worn while participants engaged in a 5-minute mindfulness exercise.
University of North Carolina, Chapel Hill
Other
Targeting Stress Reactivity in Schizophrenia: Integrated Coping Awareness Therapy (I-CAT)
Acronym: I-CAT
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