Zapping the brain to rewire stroke-damaged hands?

NCT ID NCT06809959

Completed Knowledge-focused Sponsor: Universitätsklinikum Hamburg-Eppendorf Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time

Summary

This study tested whether a gentle, non-invasive brain stimulation technique called tACS could improve hand function in 20 stroke survivors. The stimulation targeted two key brain areas involved in movement planning. Researchers measured brain connectivity and hand movement patterns to see if the stimulation helped. The study was small and focused on measuring brain changes, not yet on proving a treatment works.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance: transcranial alternating current stimulation (tACS) device
What this could lead to: If it works, this could point toward a non-invasive way to improve hand and arm recovery after stroke.
What could go wrong: This was a very small, early study (20 people) that looked at brain signals, not actual function. Results may not lead to a proven treatment.

This is an AI summary of the original study and may miss details. Read our disclaimer.

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Conditions

The condition(s) this trial relates to.

brain disorder cerebrovascular disorder stroke disorder

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

BRAIN DISEASES CEREBROVASCULAR DISEASE HAND FUNCTIONS STROKE

Contacts and locations

Locations

Department of Neurology, University Medical Center Hamburg-Eppendorf

Hamburg, 20246, Germany

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