Sleep Modulation to Treat Depression

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

RECRUITING

Clinical Phase

NA

Total Enrollment

60 participants

Study Classification

INTERVENTIONAL

Study Start Date

2024-07-22

Study Completion Date

2026-07-31

Brief Summary

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Current first-line treatments for major depression (antidepressants and psychotherapy) show a long latency to response, and less than half of all patients experience full remission with optimized treatment, indicating the need for new developments. The aim of this study is to extend and further develop a longstanding line of research of using sleep neurophysiology as a 'window to the brain' and treatment development in major depression. Particularly, this project is designed to test the feasibility, efficacy and mechanisms of action of a new sleep-based treatment technology.

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Detailed Description

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The planned study is a single-centre, doubled-blind, randomized, sham controlled, repeated measures within-subject (stimulation and sham) study including patients with major depression and healthy controls, across four sleep laboratory nights (adaptation, baseline, stimulation and sham in counterbalanced order). The investigators will test the primary hypothesis that auditory-closed loop suppression of slow wave sleep will improve depressive clinical symptomatology compared to sham stimulation.

Conditions

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Major Depressive Disorder Healthy

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

CROSSOVER

Primary Study Purpose

BASIC_SCIENCE

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Experimental Group

Patients with major depressive disorder according to ICD-10 criteria

Group Type EXPERIMENTAL

Auditory closed-loop stimulation

Intervention Type DEVICE

Auditory closed-loop suppression of slow wave sleep

Sham stimulation

Intervention Type DEVICE

No auditory stimulation

Healthy Group

Healthy controls

Group Type EXPERIMENTAL

Auditory closed-loop stimulation

Intervention Type DEVICE

Auditory closed-loop suppression of slow wave sleep

Sham stimulation

Intervention Type DEVICE

No auditory stimulation

Interventions

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Auditory closed-loop stimulation

Auditory closed-loop suppression of slow wave sleep

Intervention Type DEVICE

Sham stimulation

No auditory stimulation

Intervention Type DEVICE

Eligibility Criteria

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Inclusion Criteria

* Written informed consent
* MDD according to ICD-10 criteria (F32.1/2, F33.1/2; i.e. unipolar depression) for patient group

Exclusion Criteria

* Relevant psychiatric disorders (other than MDD for the patient group), such as organic psychiatric disorders, lifetime history of substance dependency or current substance abuse (smoking will be allowed for recruitment reasons), schizophrenia or other psychotic disorders, affective disorders including bipolar disorder, borderline personality disorder, autism or other severe psychiatric disorders
* Known pregnancy
* Unstable medical conditions, such as unstable cardiovascular or metabolic disorders, etc.
* Relevant neurological disorders, including epilepsy, stroke, etc.
* Organic sleep disorders including relevant sleep apnea (AHI\>15/h), periodic limb movement disorder (PLMS index\>5/h), Restless-Legs-Syndrome (RLS), narcolepsy, circadian rhythm disorder or shift work/ jet lag
* Intake of medication affecting the central nervous system (other than antidepressants and lithium in patients); patients receiving benzodiazepines or (es)ketamine will not be included
* Current brain stimulation treatment, such as electroconvulsive therapy (ECT), TMS or deep brain stimulation
* Contraindications for tDCS or TMS studies, including but not limited to metal in the head/ brain or epilepsy
* Hearing impairment or tinnitus (auditory stimulation study)
* Inability to follow the procedures of the study (for example due to language problems)
* Left-handedness

Minimum Eligible Age

30 Years

Maximum Eligible Age

60 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes