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ClinicalTrials.gov public records Last synced Oct 20, 2026, 6:52 PM EDT

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Showing 1–24 of 244 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Human Physiology Clear all
Completed Not applicable Interventional Accepts healthy volunteers Results available

Improving Human Cerebrovascular Function Using Acute Intermittent Hypoxia

NCT05164705
View directory record Official record
Conditions
Healthy Brain Perfusion
Interventions
Acute Intermittent Hypoxia, Sham Acute Intermittent Hypoxia
Other
Lead sponsor
Northwestern University
Other
Eligibility
21 Years to 50 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 20, 2026, 6:52 PM EDT
Terminated Not applicable Interventional

Transcutaneous and Epidural Spinal Stimulation for Enabling Motor Function in Humans With Motor Complete Paraplegia

NCT03945331
View directory record Official record
Conditions
Paraplegia, Spinal, Paraplegia, Complete, Paraplegia; Traumatic
Interventions
Transcutaneous spinal cord stimulator, Epidural spinal cord stimulation system
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
22 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 19, 2020 · Synced Oct 20, 2026, 6:52 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Effects of Caffeine and Intermittent Hypoxia on Leg Function in Human Spinal Cord Injury

NCT02323698
View directory record Official record
Conditions
Spinal Cord Injuries
Interventions
Caffeine, AIH, Placebo, SHAM
Drug · Other
Lead sponsor
Spaulding Rehabilitation Hospital
Other
Eligibility
18 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Cambridge, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 13, 2023 · Synced Oct 20, 2026, 6:52 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

The Physiology of Human Brown Adipose Tissue

NCT04352244
View directory record Official record
Conditions
Adipose Tissue, Brown, Adipose Tissue, Obesity
Interventions
Fat biopsy, Blood sampling, Blood sample for DNA analysis
Procedure · Diagnostic Test · Genetic
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
18 Years to 75 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2027
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 31, 2025 · Synced Oct 20, 2026, 6:52 PM EDT
Terminated Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Peripheral Vascular Effects of Sulfhydryl-containing Antihypertensive Pharmacotherapy on Microvessels in Humans

NCT03179163
View directory record Official record
Conditions
Hypertension,Essential
Interventions
Captopril Pill, Enalapril Pill, Hydrochlorothiazide
Drug
Lead sponsor
Penn State University
Other
Eligibility
40 Years to 65 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2022
U.S. locations
1
States / cities
University Park, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 28, 2024 · Synced Oct 20, 2026, 6:52 PM EDT
Withdrawn Phase 4 Interventional

A Single-arm Evaluation of the Effect of HCV Treatment on Cardiovascular Disease Risk

NCT03585101
View directory record Official record
Conditions
Hepatitis C
Interventions
Elbasvir/grazoprevir
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Aug 7, 2018 · Synced Oct 20, 2026, 6:52 PM EDT
Terminated Phase 2 Interventional Results available

Lenalidomide as Immune Adjuvant in Patient's With Chronic Lymphocytic Leukemia (CLL)

NCT01924169
View directory record Official record
Conditions
Hematologic Disorder
Interventions
Lenalidomide, Influenza Vaccine, Pneumovax Vaccine
Drug · Biological
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 20, 2018 · Synced Oct 20, 2026, 6:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Role of Flavanols In Cardiovascular Function in Healthy Aging

NCT01395277
View directory record Official record
Conditions
Aging
Interventions
High Flavanol first then Low Flavanol, Low Flavanol first then High Flavanol
Dietary Supplement
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 80 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 10, 2015 · Synced Oct 20, 2026, 6:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Corneal Barrier Function With Multi-Purpose Solutions

NCT00407238
View directory record Official record
Conditions
Contact Lens Care
Interventions
Multi-purpose solutions (polyquaternium-1 and PHMB)
Device
Lead sponsor
Southern California College of Optometry at Marshall B. Ketchum University
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
1
States / cities
Fullerton, California
Source: ClinicalTrials.gov public record
Updated Oct 23, 2007 · Synced Oct 20, 2026, 6:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Cranberry Enhances Human Immune Function and Reduces Illness

NCT01398150
View directory record Official record
Conditions
Healthy Humans
Interventions
Beverage made to look like the cranberry beverage, Beverage made from cranberry compounds
Dietary Supplement
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 50 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Sep 20, 2011 · Synced Oct 20, 2026, 6:52 PM EDT
Terminated Not applicable Interventional

Effects of TUDCA on Endothelial Function in Type 2 DM

NCT03462940
View directory record Official record
Conditions
Diabetes Mellitus, Type 2, Insulin Response, Endothelial Dysfunction
Interventions
Tauroursodeoxycholic acid
Dietary Supplement
Lead sponsor
Boston University
Other
Eligibility
21 Years to 75 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 24, 2021 · Synced Oct 20, 2026, 6:52 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Human Brain Natriuretic Peptide (BNP) (or Nesiritide) to Help Heart, Kidney and Humoral Function.

NCT00405548
View directory record Official record
Conditions
Left Ventricular Diastolic Dysfunction
Interventions
BNP (nesiritide), Placebo
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 1, 2015 · Synced Oct 20, 2026, 6:52 PM EDT
Terminated Phase 1 Interventional

Anakinra, A Recombinant Human IL-1 Receptor Antagonist for Neuroinflammation in HIV-1 Infection

NCT02527460
View directory record Official record
Conditions
HIV Infections, Neurologic Disorders
Interventions
Anakinra
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 61 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
2
States / cities
Baltimore, Maryland • Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 29, 2019 · Synced Oct 20, 2026, 6:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Use of a Novel Synbiotic to Change Human Gut Bacteria and Improve Health in Obese Adults

NCT02355210
View directory record Official record
Conditions
Intestinal Microbiota and Barrier Function
Interventions
Bifidobacteria adolescentis BD1, Bifidobacteria animalis subsp. lactis BB-12, Bifidobacteria adolescentis BD1 and galactooligosaccharide, Bifidobacteria animalis subsp. lactis BB-12 and galactooligosaccharide, galactooligosaccharide, Placebo
Dietary Supplement
Lead sponsor
Rush University Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
151 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Nov 23, 2021 · Synced Oct 20, 2026, 6:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study to Evaluate the Influence of Diet on GI Health

NCT04783142
View directory record Official record
Conditions
Healthy
Interventions
High-fiber, low-protein diet, Low-fiber, high-protein diet
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
2
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 15, 2023 · Synced Oct 20, 2026, 6:52 PM EDT
Completed Not applicable Interventional

Exclusive Human Milk Feeding in Infants With Single Ventricle Physiology

NCT02860702
View directory record Official record
Conditions
Congenital Heart Defect
Interventions
Human Milk Derived Fortifier, Human/Bovine Milk
Other
Lead sponsor
The University of Texas Health Science Center at San Antonio
Other
Eligibility
1 Day to 7 Days
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
12
States / cities
Loma Linda, California • Los Angeles, California • Orange, California + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 26, 2023 · Synced Oct 20, 2026, 6:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Acute Nerve Stimulation For Enhancing Human and Cognitive Performance

NCT05675956
View directory record Official record
Conditions
Concussion, Mild, Autonomic Nervous System, Cognitive
Interventions
Experimental group with 100% intensity setting on Apollo Neuro device, Active Comparator group with 10% intensity setting on the Apollo Neuro device
Device
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 35 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Mar 28, 2024 · Synced Oct 20, 2026, 6:52 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Effect of Type 1 Diabetes on Pan-Arterial Vascular Function and Insulin Sensitivity in Humans

NCT02490124
View directory record Official record
Conditions
Diabetes Type 1
Interventions
Not listed
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 40 Years
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Jan 13, 2016 · Synced Oct 20, 2026, 6:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetic Study of Single-Dose Modified Release Glipizide in Healthy Volunteers

NCT05159427
View directory record Official record
Conditions
Human Gastrointestinal Physiology Data
Interventions
Glucotrol XL 5Mg Extended-Release Tablet, Glipizide ER 5 MG 24 HR Extended Release Oral Tablet, Rifaximin 200Mg Tab, 13C6-Glipizide
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 20, 2026, 6:52 PM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Sodium Nitrite to Treat Arterial Aging

NCT02022670
View directory record Official record
Conditions
Vascular Aging
Interventions
Placebo, Sodium Nitrite
Drug
Lead sponsor
University of Colorado, Boulder
Other
Eligibility
50 Years to 79 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Boulder, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 15, 2015 · Synced Oct 20, 2026, 6:52 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

To Assess the Effect of Renal Impairment on the Blood Levels of Daclatasvir (DCV), Asunaprevir (ASV) and BMS-791325 After Multiple Doses of a Fixed Dose Combination Tablet

NCT02108639
View directory record Official record
Conditions
Hepatitis C
Interventions
DCV 3DAA FDC, BMS-791325
Drug
Lead sponsor
Bristol-Myers Squibb
Industry
Eligibility
18 Years and older
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
4
States / cities
Miami, Florida • Orlando, Florida • Minneapolis, Minnesota + 1 more
Source: ClinicalTrials.gov public record
Updated Jul 10, 2014 · Synced Oct 20, 2026, 6:52 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Role of Immune Activation in Response of Head and Neck Squamous Cell Carcinoma to Therapy

NCT01358097
View directory record Official record
Conditions
Head and Neck Cancer, Oropharyngeal Cancer, Human Papillomavirus, Squamous Cell Cancer
Interventions
Not listed
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 10, 2014 · Synced Oct 20, 2026, 6:52 PM EDT
Withdrawn Phase 4 Interventional

Corticosteroids Therapy and Pneumocystis Jirovecii Pneumonia (PCP)

NCT00636935
View directory record Official record
Conditions
Pneumocystis Carinii Pneumonia
Interventions
Antibiotics only, Antibiotics + Corticosteroids, Corticosteroids + antibiotics
Drug
Lead sponsor
George Washington University
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 27, 2017 · Synced Oct 20, 2026, 6:52 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Neural Correlates of Working Memory Training for HIV Patients

NCT02602418
View directory record Official record
Conditions
HIV Infection
Interventions
Adaptive WM CogMed Training, Nonadaptive WM CogMed Training
Other
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years to 85 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 2, 2019 · Synced Oct 20, 2026, 6:52 PM EDT