- Conditions
- Functional Gastrointestinal Disorders, Hypermobile Ehlers-Danlos Syndrome, Postural Orthostatic Tachycardia Syndrome, Autonomic Nervous System Disease, Autonomic Nervous System Imbalance
- Interventions
- Percutaneous vagal nerve stimulation (pVNS) device, Acoustic vagal nerve stimulation (aVNS) treatment
- Device · Other
- Lead sponsor
- Medical College of Wisconsin
- Other
- Eligibility
- 10 Years to 18 Years
- Enrollment
- 90 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2021 – 2026
- U.S. locations
- 1
- States / cities
- Milwaukee, Wisconsin
Search Results
Search by objective public record fields.
Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results come from ClinicalTrials.gov. When the live registry is unavailable, a clearly labeled stored copy may be shown.
These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Showing 25–37
of 37
matching trials from the live ClinicalTrials.gov search.
- Conditions
- Opioid-use Disorder, Opioid Withdrawal
- Interventions
- Sparrow Ascent Therapy System, Lofexidine, Extended-release injectable naltrexone
- Device · Drug
- Lead sponsor
- Spark Biomedical, Inc.
- Industry
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 108 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2025
- U.S. locations
- 4
- States / cities
- Rancho Mirage, California • Crownsville, Maryland • Center City, Minnesota + 1 more
- Conditions
- Vagus Nerve Stimulation
- Interventions
- Transcutaneous vagal nerve stimulation
- Device
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 18 Years to 39 Years
- Enrollment
- 160 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Neonatal Opioid Withdrawal Syndrome, Neonatal Abstinence Syndrome
- Interventions
- Sparrow Fledging Therapy System, Sham Sparrow Fledging Therapy System
- Device
- Lead sponsor
- Spark Biomedical, Inc.
- Industry
- Eligibility
- 33 Weeks to 1 Year
- Enrollment
- 52 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2022 – 2027
- U.S. locations
- 3
- States / cities
- Charleston, South Carolina • Dallas, Texas • San Antonio, Texas
- Conditions
- Heavy Menstrual Bleeding
- Interventions
- Volta System
- Device
- Lead sponsor
- Spark Biomedical, Inc.
- Industry
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 40 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Dallas, Texas
- Conditions
- Opioid Withdrawal, Opioid Use Disorder (OUD)
- Interventions
- Sparrow Link (Active tAN), Sparrow Link (Sham tAN)
- Device
- Lead sponsor
- Payel Roy
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 50 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2026 – 2027
- U.S. locations
- 1
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Abdominal Pain (AP), Disorders of Gut-brain Interaction
- Interventions
- Transcutaneous auricular neurostimulation
- Device
- Lead sponsor
- Nationwide Children's Hospital
- Other
- Eligibility
- 12 Years to 18 Years
- Enrollment
- 30 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2026
- U.S. locations
- 1
- States / cities
- Columbus, Ohio
- Conditions
- Posttraumatic Stress Disorder, Opioid Use Disorder
- Interventions
- Sparrow Ascent tAN, Sparrow Ascent Active Sham
- Device
- Lead sponsor
- University of Cincinnati
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2026
- U.S. locations
- 1
- States / cities
- Cape Girardeau, Missouri
- Conditions
- Neonatal Abstinence Syndrome
- Interventions
- Spark Biomedical Roo Transcutaneous Auricular Neurostimulation (tAN) System
- Device
- Lead sponsor
- Spark Biomedical, Inc.
- Industry
- Eligibility
- 33 Weeks to 1 Year
- Enrollment
- 8 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2020
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- Conditions
- Von Willebrand Disease, Type 1, Heavy Menstrual Bleeding
- Interventions
- Volta System
- Device
- Lead sponsor
- Five Liters, Inc.
- Industry
- Eligibility
- 18 Years to 45 Years · Female only
- Enrollment
- 29 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2023 – 2025
- U.S. locations
- 1
- States / cities
- Dallas, Texas
- Conditions
- Auricular Stimulation
- Interventions
- Transcutaneous Auricular Neruostimulation (tAN)
- Device
- Lead sponsor
- Medical University of South Carolina
- Other
- Eligibility
- 18 Years to 65 Years
- Enrollment
- 96 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2023 – 2027
- U.S. locations
- 1
- States / cities
- Charleston, South Carolina
- Conditions
- Cyclic Vomiting Syndrome, Abdominal Migraine
- Interventions
- Percutaneous neurostimulation
- Device
- Lead sponsor
- Medical College of Wisconsin
- Other
- Eligibility
- 8 Years to 65 Years
- Enrollment
- 47 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2018 – 2021
- U.S. locations
- 1
- States / cities
- Milwaukee, Wisconsin
- Conditions
- Pain, Postoperative, Opioid Use, Lumbar Spine Injury
- Interventions
- Sparrow Ascent Transcutaneous Auricular Neurostimulation (tAN), Sham Control Device
- Device
- Lead sponsor
- University of Texas Southwestern Medical Center
- Other
- Eligibility
- 18 Years to 85 Years
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2024 – 2027
- U.S. locations
- 1
- States / cities
- Dallas, Texas