Cognitive behavioral therapy for insomnia vs. standard cognitive behavioral therapy for sleep and circadian disturbances in treatment-resistant schizophrenia: study protocol for the randomized controlled trial (COSTS)

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This study protocol outlines a randomized controlled trial comparing cognitive behavioral therapy for insomnia (CBT-I) against standard cognitive behavioral therapy in sixty patients with treatment-resistant schizophrenia and comorbid sleep disturbances. The research aims to assess the efficacy of CBT-I on sleep architecture and psychiatric symptoms through clinical interviews, self-reports, and polysomnography at baseline and follow-up intervals. The resource is intended for researchers and clinicians interested in non-pharmacological interventions for this specific patient population.

ID
ac0c210819e449bc
Source org
PubMed Central
Author
Jeppe Feigenberg Johansen (University of Copenhagen), Mette Ødegaard Nielsen (University of Copenhagen), Mette Kragh (Aarhus University), Jimmi Nielsen (University of Copenhagen)
Published
2026-04-17
OA status
gold
DOI
10.1186/s13063-026-09482-0
PMID
Not recorded
PMCID
Not recorded
Citations
0

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BibTeX

@article{allodium:ac0c210819e449bc,
  title = {Cognitive behavioral therapy for insomnia vs. standard cognitive behavioral therapy for sleep and circadian disturbances in treatment-resistant schizophrenia: study protocol for the randomized controlled trial (COSTS)},
  author = {Jeppe Feigenberg Johansen and Mette Ødegaard Nielsen and Mette Kragh and Jimmi Nielsen},
  year = {2026},
  journal = {PubMed Central},
  doi = {10.1186/s13063-026-09482-0},
  url = {https://doi.org/10.1186/s13063-026-09482-0}
}

RIS

TY  - JOUR
TI  - Cognitive behavioral therapy for insomnia vs. standard cognitive behavioral therapy for sleep and circadian disturbances in treatment-resistant schizophrenia: study protocol for the randomized controlled trial (COSTS)
AU  - Johansen, Jeppe Feigenberg
AU  - Nielsen, Mette Ødegaard
AU  - Kragh, Mette
AU  - Nielsen, Jimmi
PY  - 2026
PB  - PubMed Central
DO  - 10.1186/s13063-026-09482-0
UR  - https://doi.org/10.1186/s13063-026-09482-0
ER  -

APA

Johansen, J. F., Nielsen, M. Ø., Kragh, M., & Nielsen, J. (2026). Cognitive behavioral therapy for insomnia vs. standard cognitive behavioral therapy for sleep and circadian disturbances in treatment-resistant schizophrenia: study protocol for the randomized controlled trial (COSTS). PubMed Central. https://doi.org/10.1186/s13063-026-09482-0

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