# Investigating the Transcutaneous vs. Transcranial Mechanisms of Trigeminal Nerve Stimulation (eTNS) Using fMRI

> **NCT07657260** · NA · RECRUITING · sponsor: **Xidian University** · enrollment: 25 (estimated)

## Conditions studied

- Healthy Volunteers
- Neurophysiology
- fMRI Research

## Interventions

- **DRUG:** Topical Lidocaine
- **DEVICE:** Direct Current eTNS (DC-eTNS)
- **DEVICE:** Sham DC-eTNS

## Key facts

- **NCT ID:** NCT07657260
- **Lead sponsor:** Xidian University
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2026-06-21
- **Primary completion:** 2026-07-05
- **Final completion:** 2026-07-05
- **Target enrollment:** 25 (ESTIMATED)
- **Last updated:** 2026-06-18


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07657260

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07657260, "Investigating the Transcutaneous vs. Transcranial Mechanisms of Trigeminal Nerve Stimulation (eTNS) Using fMRI". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07657260. Licensed CC0.

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