Using tDCS to reduce loneliness in older adults with depression

Effects of Transcranial Direct Current Stimulation on Loneliness in Older Adults With Depression: A Randomized Controlled Trial

Not applicable Interventional Guangzhou Psychiatric Hospital · NCT06658795

This study is testing if a brain stimulation technique can help reduce feelings of loneliness in older adults who are dealing with depression.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment180 (estimated)
Ages60 Years to 80 Years
SexAll
SponsorGuangzhou Psychiatric Hospital Government
Locations1 site (Guangzhou, Guangdong)
Trial IDNCT06658795 on ClinicalTrials.gov

What this trial studies

This trial investigates the effects of transcranial direct current stimulation (tDCS) on loneliness levels in older adults diagnosed with major depressive disorder. It aims to evaluate how repeated sessions of tDCS can influence feelings of loneliness, which are prevalent in this population and linked to poor recovery rates from depression. The study compares the effects of tDCS applied to different brain regions against a sham stimulation group to understand its potential benefits. By targeting specific neural networks associated with loneliness, the trial seeks to enhance emotional regulation and social connectivity among participants.

Who should consider this trial

Good fit: Ideal candidates are older adults with major depressive disorder who experience high levels of loneliness.

Not a fit: Patients with severe neurological diseases, bipolar disorder, schizophrenia, or those with suicidal ideation may not benefit from this study.

Why it matters

Potential benefit: If successful, this intervention could significantly improve emotional well-being and social connections in older adults suffering from depression and loneliness.

How similar studies have performed: Previous studies have shown promise in using tDCS for emotional regulation, suggesting potential success for this approach in alleviating loneliness.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* High loneliness (UCLA Loneliness Scale \> 43).
* Diagnosis of major depressive disorder confirmed by the Structured Clinical Interview for DSM-5 Disorders.
* absence of suicidal ideation (Hamilton Depression Scale item 3 score ≤ 1).

Exclusion Criteria:

* Severe neurological diseases.
* Bipolar disorder, schizophrenia, addiction, or impulse control disorders.
* Contraindications for tDCS or MRI (e.g., metal implants).
* Presence of suicidal ideation.

Where this trial is running

Guangzhou, Guangdong

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Major Depressive DisorderLonelinessRandomization Controlled TrialTranscranial Direct Current StimulationDepressionloneliness
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.