Status:

RECRUITING

Home-based Transcranial Direct Current Stimulation (tDCS) Compared to Duloxetine: Non-inferiority Clinical Trial (FIBROSTIM)

Lead Sponsor:

Hospital de Clinicas de Porto Alegre

Conditions:

Fibromyalgia (FM)

tDCS

Eligibility:

FEMALE

18-75 years

Phase:

NA

Brief Summary

Fibromyalgia is characterized by widespread pain, fatigue, non-restorative sleep, and psychocognitive alterations, compromising quality of life and leading to absenteeism and early retirement. Up to 7...

Eligibility Criteria

Inclusion

  • Eligibility Criteria
  • Woman aged between 18 and 75 years
  • Right-handed
  • Literate in reading and writing
  • Clinical diagnosis of fibromyalgia based on the American College of Rheumatology (ACR) 2010-2016 criteria
  • Numeric Pain Scale (NPS) score ≥ 4 on most days in the past 30 days
  • Agree no changes in medication dosage during the treatment period (except for analgesics)
  • Able to swallow tablets
  • Able to understand instructions for using tDCS at home

Exclusion

  • Living more than 250 km from Porto Alegre
  • Pregnancy
  • Decompensated systemic diseases
  • Chronic inflammatory rheumatologic diseases
  • Untreated hypothyroidism
  • Active cancer under treatment
  • Alcohol or drug abuse in the past 6 months
  • Decompensated psychiatric disorders with suicide risk and a defined plan
  • Use of duloxetine at a dose \> 60 mg/day
  • Metal implants in the brain
  • Implanted brain medical devices
  • Cardiac pacemaker
  • Cochlear implant
  • Neurological disorders
  • History of traumatic brain injury or neurosurgery

Key Trial Info

Start Date :

September 30 2025

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

December 1 2028

Estimated Enrollment :

610 Patients enrolled

Trial Details

Trial ID

NCT07203339

Start Date

September 30 2025

End Date

December 1 2028

Last Update

January 6 2026

Active Locations (1)

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1

Hospital de Clínicas de Porto Alegre

Porto Alegre, Rio Grande do Sul, Brazil