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ClinicalTrials.gov public records Last synced Oct 21, 2026, 2:43 AM EDT

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Showing 25–48 of 294 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Heart Rate Variability Clear all
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Strategies to Augment Ketosis: Optimization of Ketone Delivery Strategies

NCT05501366
View directory record Official record
Conditions
Ketosis
Interventions
Ketone Supplement, Beverage Tolerability Questionnaire (BTQ) and satiety visual analogue scale, Blood Draw, Breath Reading, Heart Rate Variability, CGM/CKM, DXA, Urine Analysis
Dietary Supplement · Behavioral · Biological + 2 more
Lead sponsor
Ohio State University
Other
Eligibility
20 Years to 30 Years · Male only
Enrollment
14 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 29, 2026 · Synced Oct 21, 2026, 2:43 AM EDT
Recruiting Not applicable Interventional

Self-applied taVNS for CIPN

NCT07596030
View directory record Official record
Conditions
Chemotherapy Induced Peripheral Neuropathy
Interventions
Transcutaneous Auricular Vagus Nerve Stimulation (taVNS)
Device
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 80 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Jun 26, 2026 · Synced Oct 21, 2026, 2:43 AM EDT
Completed No phase listed Observational

Effects of Brief Nature Exposure on Brain Functioning and Stress Reactivity

NCT07508800
View directory record Official record
Conditions
Stress (Psychology)
Interventions
Nature vs. Urban walks
Other
Lead sponsor
National Institutes of Health (NIH)
NIH
Eligibility
18 Years to 25 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jul 23, 2026 · Synced Oct 21, 2026, 2:43 AM EDT
Completed No phase listed Observational

Investigating Stress-related Mechanisms in the Laboratory and Real World in Individuals With Cannabis Use Disorder

NCT04116619
View directory record Official record
Conditions
Cannabis Use Disorder
Interventions
Guided Imagery Laboratory Session
Other
Lead sponsor
Yale University
Other
Eligibility
18 Years to 50 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 21, 2023 · Synced Oct 21, 2026, 2:43 AM EDT
Enrolling by invitation Not applicable Interventional

Continuous Temperature Monitoring (CTM) for Cytokine Release Syndrome (CRS), an Immune-Related Adverse Event

NCT07499128
View directory record Official record
Conditions
Cytokine Release Syndrome, Neoplasms, Lymphoma, Precursor Cell Lymphoblastic Leukemia-Lymphoma, Multiple Myeloma, Lymphoma Mantle-cell, Immunotherapy, Cell and Tissue-Based Therapy, Cytokines, Monitoring Physiologic, Immune Monitoring, Wearable Electronic Devices, Thermometry, Body Temperature, Antibodies Bispecific, Receptors Chimeric Antigen
Interventions
TempTraq, VitalTraq
Device
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 120 Years
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 25, 2026 · Synced Oct 21, 2026, 2:43 AM EDT
Recruiting Not applicable Interventional

Non-invasive Treatment for Long COVID (Post COVID-19 Condition) Brain Fog

NCT06614309
View directory record Official record
Conditions
Long COVID
Interventions
Acute Placebo Visit, Acute Progressive Carbon Dioxide, Acute Intermittent Hypoxia, Training: Progressive Carbon Dioxide Ramping, Training: Intermittent Hypoxic Exposure, Training: Placebo Control
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Scottsdale, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 21, 2026, 2:43 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

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

NCT04682704
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 21, 2024 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional

A One Visit Follow Up of Adults With Fabry Disease Who Started Long-term Enzyme Replacement Therapy As Children

NCT04002531
View directory record Official record
Conditions
Quality of Life, Renal Insufficiency, Cardiac Event
Interventions
General and Neurological examination, Vital signs, 12 lead electrocardiogram, Echocardiogram, Blood draw, Urine collection, 2-hour Holter Monitor, Brief Pain Inventory questionnaire, Quality of Life questionnaire
Other · Procedure
Lead sponsor
Baylor Research Institute
Other
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 4, 2026 · Synced Oct 21, 2026, 2:43 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Pediatric Hypertension and the Renin-Angiotensin SystEm (PHRASE)

NCT04752293
View directory record Official record
Conditions
Hypertension, Left Ventricular Hypertrophy, Left Ventricular Dysfunction, Left Atrial Dilatation, Left Ventricular Diastolic Dysfunction, Kidney Diseases, Kidney Injury, Kidney Dysfunction, Sodium Urine High, Blood Pressure Disorders, Uric Acid Retention, Angiotensin Hypertension, Autonomic Dysfunction, Autonomic Imbalance, Pediatric Kidney Disease, Pediatric Obesity, Proteinuria, Albuminuria
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
7 Years to 18 Years
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Winston-Salem, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 11, 2025 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Osteopathic Manipulative Medicine in Pregnancy: Physiologic and Clinical Effects

NCT00426244
View directory record Official record
Conditions
Low Back Pain, Pregnancy
Interventions
Osteopathic Manipulative Treatment, Placebo Ultrasound
Other
Lead sponsor
University of North Texas Health Science Center
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2011
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Aug 21, 2018 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Move Well Study

NCT04072133
View directory record Official record
Conditions
Effects of Meditative Movement on Body Composition
Interventions
Meditative Movement
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
45 Years to 75 Years · Female only
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Jun 8, 2021 · Synced Oct 21, 2026, 2:43 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Teaching Caregivers of Hospice Patients to Administer Reiki

NCT04086017
View directory record Official record
Conditions
Hospice, Pain, Anxiety, Stress
Interventions
Reiki therapy
Other
Lead sponsor
Ohio State University
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 17, 2024 · Synced Oct 21, 2026, 2:43 AM EDT
Recruiting Not applicable Interventional

Exploring the Effects of Brief Mindfulness Training With Vagal Nerve Stimulation on Alcohol Cue Reactivity Among Young Adult Heavy Drinkers

NCT07516873
View directory record Official record
Conditions
Heavy Drinking
Interventions
Active RAVANS, Brief Mindfulness-Based Intervention
Device · Behavioral
Lead sponsor
Cambridge Health Alliance
Other
Eligibility
21 Years to 29 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Malden, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Oct 21, 2026, 2:43 AM EDT
Enrolling by invitation Not applicable Interventional

PET-MRI in Chronic Traumatic Brain Injury (CTBI)

NCT03241732
View directory record Official record
Conditions
Chronic Traumatic Brain Injury
Interventions
Anti-inflammatory Diet, N-acetyl Cysteine, Neuro Emotive Technique
Other · Dietary Supplement · Behavioral
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Villanova, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 29, 2025 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Caring Relationships Expression Study

NCT05627687
View directory record Official record
Conditions
Caregiver Burden, Anxiety, Stress
Interventions
Heart Rate Variability Biofeedback, Music Listening Control
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Feb 12, 2024 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Results available

Transcranial Alternating Current Stimulation in Back Pain- Pilot Sudy

NCT03243084
View directory record Official record
Conditions
Chronic Low Back Pain
Interventions
XCSITE100 Stimulator Sham, XCSITE100 Stimulator tACS
Device
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 65 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 12, 2018 · Synced Oct 21, 2026, 2:43 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

UCLA Magnesium Formulation Athlete Study

NCT07640685
View directory record Official record
Conditions
Athletic Performance, Recovery, Sleep
Interventions
Magnesium glycinate, Magnesium L-threonate, Placebo
Dietary Supplement · Other
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years to 35 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Oct 15, 2026 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Results available

Bedside Resources to Gauge Intravascular Volume Status

NCT03915587
View directory record Official record
Conditions
Hypovolemia, Craniosynostoses
Interventions
CardioQ-EDM and CipherOx-CRI
Device
Lead sponsor
University of Colorado, Denver
Other
Eligibility
3 Months to 2 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 29, 2023 · Synced Oct 21, 2026, 2:43 AM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Hypoxia and Heart Rate Variability

NCT05606406
View directory record Official record
Conditions
Pulmonary Disease, Chronic Obstructive, Hypoxia
Interventions
Nocturnal Oxygen
Other
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 70 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 3, 2026 · Synced Oct 21, 2026, 2:43 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Restorative Neurophysiology: Backing up and Restoring the Brain (BandR)

NCT07252011
View directory record Official record
Conditions
Adults With Variability in Their Mood
Interventions
Transcranial alternating current stimulation (tACS), Neuro/biofeedback, Recall, Physiological stimulation
Device · Behavioral
Lead sponsor
University of Pittsburgh
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Project Hypnos: The Impact of a Brief Hypnosis Intervention on Single-limb Dynamic Balance in People With Chronic Ankle Instability

NCT06390072
View directory record Official record
Conditions
Ankle Sprains, Motor Coordination or Function; Developmental Disorder
Interventions
Self-Hypnosis, Ankle Education
Behavioral
Lead sponsor
Ohio University
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Athens, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 29, 2024 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

A PPG Sensor-Based Feedback Intervention for Heavy Drinking Young Adults

NCT05090995
View directory record Official record
Conditions
Heavy Drinking, Harmful; Use, Alcohol
Interventions
Behavioral Self-Management and Feedback, Behavioral Self-Management
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 25 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Dec 13, 2024 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Phase 2 Interventional Results available

Heart Rate Variability in Response to Metformin Challenge

NCT02500628
View directory record Official record
Conditions
Fibromyalgia, Mitochondrial Diseases, Movement Disorders, Diabetes Mellitus, Type 2
Interventions
Metformin
Drug
Lead sponsor
Woodinville Psychiatric Associates
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Woodinville, Washington
Source: ClinicalTrials.gov public record
Updated Jan 3, 2018 · Synced Oct 21, 2026, 2:43 AM EDT
Completed Not applicable Interventional Results available

Trauma-Sensitive Yoga for Female Veterans With PTSD Who Experienced Military Sexual Trauma

NCT02640690
View directory record Official record
Conditions
Stress Disorders, Post-traumatic
Interventions
Trauma Center Trauma Sensitive Yoga Intervention (TCTSY), Cognitive Processing Therapy
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
18 Years and older · Female only
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2021
U.S. locations
2
States / cities
Decatur, Georgia • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 8, 2024 · Synced Oct 21, 2026, 2:43 AM EDT