Trial reportNeuropsychopharmacology : official publication of the American College of Neuropsychopharmacology2026
Examining fronto-limbic brain and sleep mechanisms of antidepressant effects in cognitive-behavioral therapy for insomnia.
Trial report in Neuropsychopharmacology : official publication of the American College of Neuropsychopharmacology, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04424407 (A Novel Use of a Sleep Intervention to Target the Emotion Regulation Brain Network to Treat Depression and Anxiety), which is not on this map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
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A Novel Use of a Sleep Intervention to Target the Emotion Regulation Brain Network to Treat Depression and Anxiety
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Authors and funding
19 authors.
Funding
Abstract
Treating insomnia with Cognitive-Behavioral Therapy for Insomnia (CBT-I) improves depression symptoms, but the underlying mechanisms remain unknown. This single-arm mechanistic trial (ClinicalTrials.gov, NCT04424407) examined fronto-limbic and sleep mechanisms of CBT-I's antidepressant response in 48 participants (64% female; age 25-60) with insomnia and depression symptoms. Participants completed functional magnetic resonance imaging (fMRI), polysomnography (PSG), and symptom assessments before and after 6 CBT-I sessions. CBT-I resulted in reduced amygdala reactivity to fearful faces (d = 0.55, p = 0.008). Depression and sleep (objective and self-reported insomnia symptoms also improved. However, fMRI-assessed fronto-limbic changes were not associated with a reduction of depressive symptom severity. Instead, reduced depressive symptoms correlated with reduced self-reported insomnia symptoms (p = 0.001, η
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