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The purpose of this study is to evaluate the efficacy and targets of Positive Affect Treatment, a psychotherapy specifically aimed at enhancing reward sensitivity in individuals with low positive affect (a core feature of anhedonia) in the context of depression or anxiety.
Target enrollment is 68 male and female participants with low positive affect and depression or anxiety and impaired functioning, between the ages of 18 and 65 years, who will be randomized to either Positive Affect Treatment or Negative Affect Treatment (designed to reduce threat sensitivity). Participants will complete laboratory tests, psychiatric assessments, and self-report questionnaires as part of the study.
The total length of participation is around 4 months.
Full description
Low positive affect in the context of depression or anxiety has been relatively resistant to pharmacological and psychological treatments. Newer treatments that focus upon positivity or reward sensitivity have shown promising results.
As an NIMH funded R61 phase trial, the purpose of the current randomized controlled trial is to evaluate the efficacy and targets of Positive Affect Treatment (designed to augment reward sensitivity) for individuals with low positive affect in the context of depression or anxiety symptoms. Targets include behavioral, cognitive, physiological and experiential measures of three reward processes: reward anticipation, response to reward attainment, and reward learning. Specificity of target engagement is assessed by comparison with Negative Affect Treatment, designed to reduce threat sensitivity.
Clinical outcomes are assessed at baseline and either weekly or at Week 5, Week 10, and Week 15 (post). Targets are assessed at baseline, Week 5, Week 10, and Week 15. Statistical models evaluate whether change in outcomes and change in target measures are greater as a result of Positive Affect Treatment compared to Negative Affect Treatment and whether changes in target measures correlate with changes in outcome measures.
Target enrollment is 68 male and female participants with low positive affect and depression or anxiety and impaired functioning between the ages of 18 and 65 who will be randomized to Positive Affect Treatment or Negative Affect Treatment, each comprising 15 individual psychotherapy sessions.
Participants will complete laboratory tests and psychiatric assessments and self-report questionnaires as part of the study. Total length of participation is around 4 months.
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85 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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