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Clinical Trial Summary

Evidence-based treatments for depression, such as antidepressive medication, usually have a latency of 4 to 6 weeks before they achieve a therapeutic effect. Chronotherapy is a group of non-pharmacological interventions that presumably act on the circadian system to achieve a rapid-onset clinical effect and better long-term effects and has been shown efficient to improve depressive symptoms. Interventions include sleep deprivation, sleep-phase advancement and stabilization, and light therapy. There are few studies testing the effectiveness of combining these three chronotherapeutic techniques in the initial phase of treatment of depression in a secondary mental health care outpatient clinic. The investigators aim to test the effects and safety of chronotherapy in addition to TAU compared to TAU alone, with the primary outcome being self-reported depressive symptoms at 1 week following randomization. The study is a randomized controlled trial with 76 patients with a depressive episode who initiate outpatient treatment at Nidaros DPS, St. Olavs University Hospital. Participants will be allocated 1:1 to either chronotherapy + treatment as usual (TAU) or to TAU alone.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms


NCT number NCT05691647
Study type Interventional
Source St. Olavs Hospital
Contact Knut Langsrud, PhD, MD
Phone +47 92647191
Email knut.langsrud@stolav.no
Status Not yet recruiting
Phase N/A
Start date January 2023
Completion date January 2040

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