About this trial
A randomized, controlled three-arm study is planned to investigate the effectiveness and feasibility of an accelerated home-based tDCS application (3 weeks of transcranial direct current stimulation at home, twice daily). A total of 30 patients with depression (10 per group), who are currently not taking and have no history of taking antidepressant medication, will be randomly assigned to either an active tDCS condition, a sham (placebo) tDCS condition, or a waitlist control group. The latter two groups will receive active tDCS treatment after completion of the control phase.
This study represents a continuation of the pilot study GSUND DAHOAM (Ethics approval: 20-2091-101; Dragon et al., 2024).
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Sex: female, male, non-binary
Age: 18-70 years
Diagnosis of depression: no current or past psychiatric medication (current episode and history)
Provision of informed consent to participate
Disqualifiers
Presence of contraindications for tDCS (e.g., electrical implants or metallic objects in the body such as a cardiac pacemaker or insulin pump, dermatological conditions affecting the scalp)
Neurological disorders (e.g., cerebrovascular events, neurodegenerative diseases, epilepsy, brain malformations, or a history of severe head injury)
Participation in another clinical trial on depression within the 3 months prior to treatment initiation
Pregnancy or breastfeeding
Trial design
Parallel
Treatments tested in this trial
Transcranial direct current stimulation
DeviceNon-invasive brain stimulation techniques, such as transcranial direct current stimulation (tDCS), have gained increasing attention in recent years in both research and the treatment of various psychiatric disorders (Alonzo et al., 2019; Lefaucher et al., 2017). Compared to other neuromodulation methods, such as transcranial magnetic stimulation (TMS), tDCS offers the advantage of mobile or outpatient use, including home-based application. tDCS devices are small, portable, and cost-effective, and they are associated with a favorable side-effect profile (Alonzo et al., 2019).
Treatment groups
Trial outcomes
Primary outcomes
Course of the scores of the Hamilton Depression rating scale (21 Items)
Depression rating scale (0-65, the lower the better)
Course of the scores of the Major Depression Inventory
Depression rating scale (0-50, the lower the better)
Compliance
Number of treatments administered (0-30 sessions, the more the better)
Sponsors and contacts
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