Effects of tDCS on Cognitive Function in Older Adults With Subjective Cognitive Decline: Randomized Sham-Controlled Trial

This randomized, double-blind, sham-controlled clinical trial evaluates the effects of transcranial direct current stimulation (tDCS) using the Sooma Oy device on cognitive function in older adults with Subjective Cognitive Decline (SCD). The study investigates changes in memory, executive function, attention, and global cognition after a structured intervention consisting of 22 intensive sessions and 8 maintenance sessions. Assessments occur at baseline, Week 4, Week 8, and Week 12.

NCT Number	NCT07531888
Lead Sponsor	Universidad Autónoma del Estado de Hidalgo
Conditions	Cognitive Dysfunction ( MMSE < 24 )
Enrollment	20 participants
Start Date	2026-04-17
Primary Completion	2026-11 (estimated)
Study Completion	2026-12-30 (estimated)
Updated on ClinicalTrials.gov	2026-04-15