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Showing 1–24 of 68 matching trials from the live ClinicalTrials.gov search.
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Endothelin Receptor Function and Acute Stress

NCT02116335
Conditions
Hypertension
Interventions
Bosentan, Placebo
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years to 50 Years
Enrollment
320 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2026
U.S. locations
1
States / cities
Augusta, Georgia
Not yet recruiting Phase 4 Interventional Accepts healthy volunteers

SPARK Study - Sympathetic Periarterial Radial Block in Healthy Volunteers

NCT07429292
Conditions
Healthy Volunteers, Sympathetic Activity
Interventions
Lidocaine 2%
Drug
Lead sponsor
Duke University
Other
Eligibility
18 Years to 50 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Durham, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers

Stationary Bike Use During Ice Bath and Virtual Reality

NCT05297838
Conditions
Pain
Interventions
Stationary Bike, Virtual Reality (VR) Headset, Ice Bath
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Palo Alto, California
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Beta3-adrenergic Receptors and Cardiovascular Function in Aging Women

NCT07674680
Conditions
Women, Aging, Menopause
Interventions
Placebo, Gemtesa
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2029
U.S. locations
1
States / cities
Columbia, Missouri
Conditions
Diagnosis of Melanoma
Interventions
Autonomic Function Tests, supine and standing catecholamines
Behavioral · Other
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Down Syndrome, Autonomic Dysfunction
Interventions
Cold Stress, Maximal Dynamic Exercise, Isometric Handgrip Exercise with Post-Exercise Muscle Ischemia, Head-up Tilt Table Test
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 50 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Prehypertension
Interventions
Grape Seed Extract, Placebo
Dietary Supplement
Lead sponsor
California Baptist University
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Riverside, California
Completed Early Phase 1 Interventional Accepts healthy volunteers

Sex Disparities in Hypoxic Sympatholysis and Impact of Obesity

NCT04436731
Conditions
Obesity, Healthy, Vasoconstriction, Vasodilation
Interventions
Cold Pressor Test
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 45 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
1
States / cities
Columbia, Missouri
Completed No phase listed Observational Accepts healthy volunteers Results available

Challenging the Inflammatory Response System in Insomnia Disorder

NCT02261597
Conditions
Insomnia
Interventions
Cold Pressor Test
Behavioral
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Boston, Massachusetts
Completed Not applicable Interventional Accepts healthy volunteers Results available

Variability in Adrenergic Response

NCT00838695
Conditions
Vascular Reaction to Medications
Interventions
Phenylephrine
Drug
Lead sponsor
Vanderbilt University
Other
Eligibility
18 Years to 40 Years
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Analgesic Response
Interventions
morphine sulfate, hydrocodone, hydromorphone HCI, oxycodone, buprenorphine, oral tablet placebo, sublingual tablet placebo
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
20 Years to 50 Years · Male only
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Spontaneous Coronary Artery Dissection, Healthy
Interventions
Arterial Tonometry, Echocardiogram, Carotid Ultrasounds, Elastography, Ankle-Brachial Index, Microneurography with sympathoexcitatory maneuvers
Other · Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
No Condition, Study Mental State in Healthy Populations and Drug-resistant Epilepsy Patients With Existing iEEG
Interventions
Virtual human social interaction, Cold pressor test
Behavioral
Lead sponsor
University of Southern California
Other
Eligibility
18 Years and older
Enrollment
90 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
2
States / cities
Downey, California • Los Angeles, California
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Impact of Early Aging and Menopause on the Vascular Responses to Hypoxia

NCT06417177
Conditions
Aging, Menopause, Hypoxia, Vasodilation
Interventions
Placebo, Propranolol, Gemtesa
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 70 Years · Female only
Enrollment
75 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Columbia, Missouri
Conditions
Spatial Neglect, Dysphagia
Interventions
Modafinil, Placebo, Baseline, CPS, Post CPS, Follow up
Drug · Behavioral
Lead sponsor
University of Arkansas
Other
Eligibility
19 Years to 85 Years
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
2
States / cities
Conway, Arkansas • Little Rock, Arkansas
Recruiting Phase 2 Interventional Accepts healthy volunteers

Role of Sympathetic Overactivity and Angiotensin II in PTSD and CV

NCT02560805
Conditions
Stress Disorders, Post-Traumatic
Interventions
Microneurography, Combat virtual reality video clip, Handgrip Exercise, Cold Pressor Test (CPT), Sodium Nitroprusside (SNP), Phenylephrine, Losartan, Atenolol, Transcutaneous Vagal Nerve Stimulation (tVNS), Sham Transcutaneous Vagal Nerve Stimulation (tVNS)
Procedure · Behavioral · Drug + 1 more
Lead sponsor
Emory University
Other
Eligibility
18 Years to 65 Years
Enrollment
134 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2027
U.S. locations
1
States / cities
Decatur, Georgia
Conditions
Premature Endothelial Dysfunction, Rheumatoid Arthritis, Healthy
Interventions
Not listed
Lead sponsor
Orrin M Troum, M.D. and Medical Associates
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Santa Monica, California
Terminated Not applicable Interventional Accepts healthy volunteers

Migraine and CVD Risk in Women

NCT03081390
Conditions
Migraine
Interventions
Mixed meal tolerance testing, Skin conductance & cold pressor test, Flow-mediated dilation testing
Other
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 35 Years · Female only
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Conditions
Opioid-use Disorder, Pain, Acute
Interventions
HYDROmorphone Injectable Solution, Ketamine, Placebos
Drug
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 60 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
San Francisco, California
Completed Not applicable Interventional Accepts healthy volunteers

Evaluating VR Therapy Using Cold Pressor Test

NCT03268863
Conditions
Pain
Interventions
Virtual Reality, Cold Pressor
Device · Other
Lead sponsor
Janet Vittone
Other
Eligibility
18 Years to 65 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
2
States / cities
Scottsdale, Arizona • Rochester, Minnesota
Conditions
Spinal Cord Injuries
Interventions
Tests of sympathetic inhibition, Tests of above level sympathetic activation, Testing of below level sympathetic activation
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 75 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Not applicable Interventional Accepts healthy volunteers Results available

Influence of Stress on Encoding and Prediction

NCT05920161
Conditions
Stress, Learning, Spatial
Interventions
Socially Evaluated Cold Pressor Test, Control
Behavioral
Lead sponsor
Yale University
Other
Eligibility
18 Years to 45 Years
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
New Haven, Connecticut
Completed Not applicable Interventional Accepts healthy volunteers

Study of Affect Induction for Lab Induced Pain in Healthy Undergraduates

NCT05619419
Conditions
Meditation, Pain, Mindfulness, Affect, Emotion Regulation
Interventions
Mindfulness-enhanced positive affect induction, Breathing Meditation
Behavioral
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 65 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Denver, Colorado
Conditions
Acute Pain, Pain Perception, Healthy Adult Participants
Interventions
Active transcutaneous vagus nerve stimulation, Sham transcutaneous vagus nerve stimulation, Cold pressor test
Device · Other
Lead sponsor
David A. Purger
Other
Eligibility
18 Years to 70 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Indianapolis, Indiana