- Conditions
- Postural Orthostatic Tachycardia Syndrome
- Interventions
- Parasym (TM) Transcutaneous Electrical Nerve Stimulation (TENS) Device
- Device
- Lead sponsor
- University of Oklahoma
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 5 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2021
- U.S. locations
- 1
- States / cities
- Oklahoma City, Oklahoma
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–20
of 20
matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
- Conditions
- Atrial Fibrillation, Inflammation
- Interventions
- Parasym device
- Device
- Lead sponsor
- University of Oklahoma
- Other
- Eligibility
- 21 Years to 90 Years
- Enrollment
- 53 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2020
- U.S. locations
- 1
- States / cities
- Oklahoma City, Oklahoma
- Conditions
- Chronic Dizziness, Persistent Postural Perceptual Dizziness
- Interventions
- Sham Device, Auricular transcutaneous vagus nerve stimulation
- Other
- Lead sponsor
- Mayo Clinic
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Jacksonville, Florida
- Conditions
- Atrial Fibrillation
- Interventions
- Parasym, Sham stimulation
- Device
- Lead sponsor
- University of Oklahoma
- Other
- Eligibility
- 21 Years to 90 Years
- Enrollment
- 90 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2024
- U.S. locations
- 1
- States / cities
- Oklahoma City, Oklahoma
- Conditions
- Atrial Fibrillation
- Interventions
- Parasym
- Device
- Lead sponsor
- University of Chicago
- Other
- Eligibility
- 18 Years to 89 Years
- Enrollment
- 81 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2021
- U.S. locations
- 1
- States / cities
- Chicago, Illinois
- Conditions
- Premature Ventricular Complexes, PVC - Premature Ventricular Contraction, Auricular Vagus Nerve Stimulation
- Interventions
- Extended nocturnal use of auricular vagus nerve stimulator device
- Device
- Lead sponsor
- University of California, San Diego
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 16 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- La Jolla, California
- Conditions
- Neuromodulation
- Interventions
- Auricular Vagal Nerve Stimulation
- Device
- Lead sponsor
- Northwell Health
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 10 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2026
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Septic Shock
- Interventions
- Low Level Transcutaneous Vagus Nerve Stimulation
- Device
- Lead sponsor
- University of Oklahoma
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 34 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2027
- U.S. locations
- 1
- States / cities
- Oklahoma City, Oklahoma
- Conditions
- Post COVID-19, Cognitive Dysfunction
- Interventions
- Parasym Device (of Parasym Ltd, UK) using Transcutaneous Vagus Nerve Stimulation (t-VNS)
- Device
- Lead sponsor
- Casa Colina Hospital and Centers for Healthcare
- Other
- Eligibility
- 18 Years to 85 Years · Female only
- Enrollment
- 25 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2023
- U.S. locations
- 1
- States / cities
- Pomona, California
- Conditions
- Irritable Bowel Syndrome (IBS-C)
- Interventions
- Transcutaneous Auricular Vagus Nerve Stimulation (ta-VNS), Sham Transcutaneous Auricular Vagus Nerve Stimulation
- Device
- Lead sponsor
- West Virginia University
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Morgantown, West Virginia
- Conditions
- Acute Decompensated Heart Failure
- Interventions
- Neuromodulation
- Device
- Lead sponsor
- University of Oklahoma
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 100 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2026
- U.S. locations
- 1
- States / cities
- Oklahoma City, Oklahoma
- Conditions
- Myocardial Infarction, Tachyarrhythmia
- Interventions
- Parasym device (active, current (mA) < discomfort threshold), Parasym device (sham, current (mA) = 0)
- Device
- Lead sponsor
- Hippocration General Hospital
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2024
- U.S. locations
- 1
- States / cities
- Oklahoma City, Oklahoma
- Conditions
- Atrial Fibrillation, Heart Failure, Diastolic
- Interventions
- Parasym
- Device
- Lead sponsor
- University of Oklahoma
- Other
- Eligibility
- 21 Years to 90 Years
- Enrollment
- 90 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2025
- U.S. locations
- 1
- States / cities
- Oklahoma City, Oklahoma
- Conditions
- Long COVID, Chronic Fatigue Syndrome
- Interventions
- Transcutaneous Non-Invasive Vagus Nerve Stimulation
- Device
- Lead sponsor
- Icahn School of Medicine at Mount Sinai
- Other
- Eligibility
- Up to 70 Years
- Enrollment
- 17 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022
- U.S. locations
- 1
- States / cities
- New York, New York
- Conditions
- Premature Ventricular Contraction
- Interventions
- Parasym device, Sham device
- Device
- Lead sponsor
- Northwell Health
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 60 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2026
- U.S. locations
- 2
- States / cities
- New York, New York • Oklahoma City, Oklahoma
- Conditions
- Atrial Fibrillation
- Interventions
- active tVNS, sham tVNS
- Device
- Lead sponsor
- University of California, Los Angeles
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 77 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2024
- U.S. locations
- 2
- States / cities
- Los Angeles, California • Oklahoma City, Oklahoma
- Conditions
- Stroke
- Interventions
- Transcutaneous vagus nerve stimulation
- Device
- Lead sponsor
- Casa Colina Hospital and Centers for Healthcare
- Other
- Eligibility
- 18 Years to 80 Years
- Enrollment
- 44 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2027
- U.S. locations
- 1
- States / cities
- Pomona, California
- Conditions
- Pain, Chronic, Irritable Bowel Syndrome, Symptom Cluster
- Interventions
- Home-based taVNS intervention
- Device
- Lead sponsor
- Yale University
- Other
- Eligibility
- 18 Years to 29 Years
- Enrollment
- 80 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2028
- U.S. locations
- 1
- States / cities
- New Haven, Connecticut
- Conditions
- Atrial Fibrillation
- Interventions
- Ganglionated Plexi mapping and ablation using Natus Cortical Stimulator and standard ablation catheters
- Device
- Lead sponsor
- University of Pennsylvania
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2024
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Breast Cancer, Lymphoma
- Interventions
- PARASYM neuromodulation device
- Device
- Lead sponsor
- University of Oklahoma
- Other
- Eligibility
- 18 Years to 99 Years
- Enrollment
- 104 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2027
- U.S. locations
- 2
- States / cities
- Oklahoma City, Oklahoma • Tulsa, Oklahoma