This study will examine whether actively serving and veteran members of the Canadian Armed Forces (CAF) and Royal Canadian Mounted Police (RCMP) who complete a treatment targeting anhedonia symptoms and amplifying positive emotional processing: 1) experience significant symptom reductions in anxiety, trauma, and depressive symptoms; 2) report increased experience of positive emotions; 3) report improvements to broad functioning and quality of life; and 4) find the treatment to be highly tolerable.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
65
6, one-hour sessions of individual therapy, consisting of Positive Valence System Enhancement Treatment for Anxiety and Depression (PVSET), which will consist of psychoeducation and positive activity interventions designed to increase positive emotions, cognitions, and behaviors.
Deer Lodge Centre
Winnipeg, Manitoba, Canada
Change in depression symptoms
Change in depression symptoms based on the Patient Health Questionnaire-9 (PHQ-9). Scores on this scale range from 0-27, with higher scores indication more severe depression.
Time frame: 6 weeks
Change in anxiety symptoms
Change in anxiety symptoms based on the Overall Anxiety Severity and Impairment Scale (OASIS). Scores on this scale range from 0-20, with higher scores indication more severe anxiety.
Time frame: 6 weeks
Change in PTSD symptoms
Change in PTSD symptom severity based on the Posttraumatic Stress Disorder Checklist for DSM-5 (PCL-5). Scores on this scale range from 0-80 with higher scores indicating greater symptom severity.
Time frame: 6 weeks
Change in positive and negative affect
Change in positive and negative affect based on the Positive and Negative Affect Schedule (PANAS). Scores on the two subscales of this assessment range from 0-50, with higher scores on the positive affect subscale representing higher levels of positive affect, and lower scores on the negative affect subscale representing lower levels of negative affect.
Time frame: 6 weeks
Change in quality of life
Change in quality of life as measure by the Quality of Life Enjoyment and Satisfaction Questionnaire (Q-LES-Q-SF). Scores on this scale range from 0-70, and are converted to a percentage, with higher scores indicating greater life enjoyment and satisfaction.
Time frame: 6 weeks
Psychotherapy progress
Psychotherapy progress as measured by the Outcome Questionnaire 45 (OQ-45). A total score of all subscales ranges from 0 to 180, with higher scores indicating more severe distress and functional impairment.
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Time frame: 6 weeks
Treatment acceptability
Acceptability of the treatment program based on responses to a Treatment Acceptability Questionnaire. Scores on this questionnaire range from 5-30 with higher scores indicating greater acceptability.
Time frame: 6 weeks