Could a home brain stimulator ease arthritis pain?

NCT ID NCT07162311

ENROLLING_BY_INVITATION Symptom relief Sponsor: Federal University of Rio Grande do Sul Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study tests whether a gentle electrical brain stimulation device, used at home, can reduce chronic pain in people with rheumatoid arthritis whose inflammation is already well-controlled. Thirty-four participants will either receive real or sham stimulation over several sessions. The goal is to see if this non-invasive approach can improve pain, function, and quality of life without extra drugs.

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 offer a safe, non-drug option to manage chronic pain in rheumatoid arthritis patients, reducing reliance on painkillers.
What could go wrong: This is a small early-stage trial with only 34 people, so results may not apply widely. The effect may be small or no better than a placebo, and home use could lead to inconsistent dosing.

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Conditions

The condition(s) this trial relates to.

Chronic Pain chronic pain syndrome rheumatic fever rheumatoid arthritis

As listed by the trial registrant

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

CHRONIC PAIN RHEUMATIC ARTHRITIS

Contacts and locations

Locations

Hospital de Clínicas de Porto Alegre

Porto Alegre, Rio Grande do Sul, 90880390, Brazil

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