# Impact of Susceptibility to Placebo on the Effect of Transcranial Direct Current Stimulation (tDCS) in Fibromyalgia

> **NCT05845528** · NA · COMPLETED · sponsor: **Hospital de Clinicas de Porto Alegre** · enrollment: 100 (actual)

## Conditions studied

- Fibromyalgia

## Interventions

- **DEVICE:** s-tDCS
- **DEVICE:** a- tDCS

## Key facts

- **NCT ID:** NCT05845528
- **Lead sponsor:** Hospital de Clinicas de Porto Alegre
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-09-16
- **Primary completion:** 2023-04-25
- **Final completion:** 2024-06-20
- **Target enrollment:** 100 (ACTUAL)
- **Last updated:** 2026-01-08


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05845528

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05845528, "Impact of Susceptibility to Placebo on the Effect of Transcranial Direct Current Stimulation (tDCS) in Fibromyalgia". Retrieved via AI Analytics 2026-06-24 from https://api.ai-analytics.org/clinical/NCT05845528. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*