Using brain stimulation to treat muscle weakness in autoimmune myopathy patients

Acute Transcranial Direct Current Stimulation in Patients With Systemic Autoimmune Myopathies

Not applicable Interventional University of Sao Paulo · NCT03749538

This study is testing if a new type of brain stimulation can help people with autoimmune myopathy improve their muscle strength and overall health.

Quick facts

PhaseNot applicable
Study typeInterventional
Enrollment40 (estimated)
Ages18 Years to 80 Years
SexAll
SponsorUniversity of Sao Paulo Academic / other
Locations1 site (São Paulo)
Trial IDNCT03749538 on ClinicalTrials.gov

What this trial studies

This study evaluates the safety and efficacy of acute transcranial direct current stimulation in patients diagnosed with systemic autoimmune myopathies, a group of diseases that primarily affect skeletal muscles. It employs a prospective, randomized, double-blind, placebo-controlled design to ensure robust results. The goal is to determine whether this non-invasive brain stimulation technique can improve muscle function and overall patient outcomes. Currently, there are no existing studies that have explored this approach in the context of autoimmune myopathies.

Who should consider this trial

Good fit: Ideal candidates for this study are individuals diagnosed with systemic autoimmune myopathies who exhibit objective muscle limb weakness.

Not a fit: Patients with neoplasia, heart pacemakers, visceral metallic clips, infections, pregnancy, or a history of convulsions or epilepsies may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could provide a novel therapeutic option for improving muscle strength and function in patients with systemic autoimmune myopathies.

How similar studies have performed: While transcranial direct current stimulation has been studied in other contexts, such as stroke recovery and athletic performance, this specific application in systemic autoimmune myopathies is novel and untested.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Classification criteria - EULAR/ACR 2017
* Classification critera - Connors et al.
* Objective muscle limb weakness

Exclusion Criteria:

* Neoplasia
* Using heart pacemarker
* Using visceral metalic clips
* Infections (HIV, HTLV-1, Hepatitis, etc)
* Pregnance
* Previous historical of convulsions or epilepsies

Where this trial is running

São Paulo

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 MyopathyNeurologic ManifestationsElectroPhys: Myopathy
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.