Could a gentle brain zap boost stroke arm recovery?

NCT ID NCT07458503

Recruiting now Symptom relief Sponsor: Universidade do Estado do Pará Source: ClinicalTrials.gov ↗

First seen Jun 25, 2026 · Last updated Aug 12, 2026 · Updated 3 times

Summary

This study tests whether adding a mild brain stimulation technique (tDCS) to a standard arm therapy (constraint-induced therapy) helps people who had a stroke more than therapy alone. Forty adults with chronic stroke and mild-to-moderate arm weakness will be randomly assigned to one of two groups. Over six weeks, both groups will do arm exercises, but one group will also receive tDCS during sessions. Researchers will measure changes in arm movement, muscle health, and electrical activity.

What this could mean

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

Active substance: transcranial direct current stimulation (tDCS) device
What this could lead to: If it works, this could point toward a better rehabilitation method for arm weakness after stroke.
What could go wrong: This is a small, early-stage trial with only 40 people. The added benefit of tDCS over therapy alone may be small or absent.

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Conditions

The condition(s) this trial relates to.

hemiplegia stroke disorder

As listed by the trial registrant

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

POST-STROKE HEMIPARESIS STROKE UPPER LIMB MOTOR IMPAIRMENT

Contacts and locations

Locations

State University of Pará - Center for Biological and Health Sciences (UEPA)
RECRUITING

Belém, Pará, 66087-662, Brazil
UEAFTO - Unidade de Fisioterapia e Terapia Ocupacional
RECRUITING

Belém, Pará, 66093-605, Brazil

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