# Effects of tDCS on Heart Rate Variability in Chronic Low Back Pain

> **NCT04077632** · PHASE2,PHASE3 · COMPLETED · sponsor: **Universidade Federal do Piauí** · enrollment: 60 (actual)

## Conditions studied

- Chronic Low-back Pain

## Interventions

- **DEVICE:** Transcranial direct current stimulation

## Key facts

- **NCT ID:** NCT04077632
- **Lead sponsor:** Universidade Federal do Piauí
- **Sponsor class:** OTHER
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-10-01
- **Primary completion:** 2021-06-30
- **Final completion:** 2023-11-27
- **Target enrollment:** 60 (ACTUAL)
- **Last updated:** 2023-11-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04077632

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04077632, "Effects of tDCS on Heart Rate Variability in Chronic Low Back Pain". Retrieved via AI Analytics 2026-05-26 from https://api.ai-analytics.org/clinical/NCT04077632. Licensed CC0.

---

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