Independent directory Public ClinicalTrials.gov records United States
ClinicalTrials.gov record
Not listed Not applicable Interventional Accepts healthy volunteers

The Effect of Different Low-Level Tragus Stimulation Parameters On Autonomic Nervous System Function

ClinicalTrials.gov ID: NCT04682704

Public ClinicalTrials.gov record NCT04682704. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.

ClinicalTrials.gov public records Last synced Jun 26, 2026, 5:00 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Study identification

NCT ID
NCT04682704
Recruitment status
Not listed
Study type
Interventional
Phase
Not applicable
Lead sponsor
University of Oklahoma
Other
Enrollment
90 participants

Conditions and interventions

Interventions

  • Parasym Device

Device

Eligibility (public fields only)

Age range
21 Years to 90 Years
Sex
All
Healthy volunteers
Accepts healthy volunteers

This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.

Study timeline

Start date
Nov 29, 2021
Primary completion
Sep 30, 2024
Completion
Jan 31, 2025
Last update posted
Feb 20, 2024

2021 – 2025

United States locations

U.S. sites
1
U.S. states
1
U.S. cities
1
Facility City State ZIP Site status
University of Oklahoma Health Sciences Center Oklahoma City Oklahoma 73104 Recruiting

Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.

About this trial record page

What this page shows
Public field values for ClinicalTrials.gov record NCT04682704, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
What this page does not do
No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
Where the data comes from
Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
Last refresh
Last update posted Feb 20, 2024 · Synced Jun 26, 2026

Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.

Open the official record

The complete protocol, eligibility criteria, and contact information for NCT04682704 live on ClinicalTrials.gov.

View official ClinicalTrials.gov record →