Observational studyPharmacological reports : PR2024
Sleep alterations in treatment-resistant depression patients undergoing ketamine treatment.
Observational study in Pharmacological reports : PR, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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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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Who cites it
1 citing paper in PubMed.
- Treatment-emergent psychiatric adverse events in patient-reported outcomes during ketamine use for major depressive disorder: a retrospective analysis.Pharmacological reports : PR · 2026Observational
Corrections and comments
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Authors and funding
4 authors.
Funding
Abstract
backgroundThis study examines self-reported sleep alterations in treatment-resistant depression (TRD) inpatients following intravenous ketamine administration.
methodsThis is a post-hoc analysis of a naturalistic observational study, which enrolled 28 inpatients with treatment-resistant major depressive disorder and analyzed self-reported sleep changes (items 1-4; 'insomnia', 'nighttime restlessness', 'early morning waking', 'hypersomnia') in Inventory of Depressive Symptomatology 30-item (IDS SR-30) in responders and non-responders stratified per Montgomery-Åsberg Depression Rating Scale (MADRS) during short-term ketamine treatment.
resultsResponders, as well as non-responders, did not experience significant changes in IDS SR-30 sleep items ('insomnia', 'nighttime restlessness', 'early morning waking', 'hypersomnia') (p's > 0.05) at 7-day follow-up after eight intravenous ketamine infusions as compared to baseline.
conclusionNeither responders, nor non-responders reported any significant alterations in sleep patterns during ketamine infusions. These findings are not in line with current literature, as so far modest improvements in sleep during ketamine treatment have been reported. Results should be interpreted with caution, primarily due to the small sample size.
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Registered trials
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