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ClinicalTrials.gov public records Last synced Oct 20, 2026, 7:45 PM EDT

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Showing 1–24 of 36 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Hyperemia Clear all
Completed Not applicable Interventional Accepts healthy volunteers

Nitrate Supplementation and Muscle Blood Flow

NCT03459027
View directory record Official record
Conditions
Vasodilation, Blood Pressure, Active Hyperemia, Aging
Interventions
Super Beets, Beetroot powder
Dietary Supplement
Lead sponsor
University of Iowa
Other
Eligibility
60 Years to 80 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jan 9, 2019 · Synced Oct 20, 2026, 7:45 PM EDT
Completed Phase 2 Interventional Results available

Safety and Efficacy of KPI-121 in Subjects With Dry Eye Disease

NCT02188160
View directory record Official record
Conditions
Dry Eye Syndromes, Keratoconjunctivitis Sicca
Interventions
KPI-121, Placebo
Drug
Lead sponsor
Kala Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
11
States / cities
Artesia, California • Mission Hills, California • Rancho Cordova, California + 8 more
Source: ClinicalTrials.gov public record
Updated Jan 6, 2021 · Synced Oct 20, 2026, 7:45 PM EDT
Completed Phase 1 Interventional

Stereotactic Body Radiation Therapy and Transarterial Chemoembolization in Treating Patients With Liver Cancer That Cannot Be Removed by Surgery

NCT02507765
View directory record Official record
Conditions
Child-Pugh Class A, Child-Pugh Class B, Stage IIIA Hepatocellular Carcinoma, Stage IIIB Hepatocellular Carcinoma, Stage IIIC Hepatocellular Carcinoma, Stage IVA Hepatocellular Carcinoma, Stage IVB Hepatocellular Carcinoma
Interventions
Laboratory Biomarker Analysis, Stereotactic Body Radiation Therapy, Transarterial Chemoembolization
Other · Radiation · Procedure
Lead sponsor
Ohio State University Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 13, 2021 · Synced Oct 20, 2026, 7:45 PM EDT
Recruiting Phase 3 Interventional

An Investigation of FID 123472 Ophthalmic Solution to Vehicle for the Reduction of Ocular Redness in Adults

NCT07578363
View directory record Official record
Conditions
Ocular Hyperemia
Interventions
Apraclonidine Ophthalmic Solution, 0.125% Unit Dose Preservative Free, Vehicle
Drug
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
5
States / cities
Northbrook, Illinois • Garner, North Carolina • Shelby, North Carolina + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 20, 2026, 7:45 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Instrument Assisted Soft Tissue Mobilization Effect on Blood Flow

NCT04785079
View directory record Official record
Conditions
Asymptomatic Condition
Interventions
Graston Instrument assisted Soft tissue Mobilization
Procedure
Lead sponsor
Florida Gulf Coast University
Other
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Fort Myers, Florida
Source: ClinicalTrials.gov public record
Updated Jul 27, 2022 · Synced Oct 20, 2026, 7:45 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pharmacokinetics and Safety of Topical Administration of Brimonidine Tartrate Ophthalmic Solution 0.025%.

NCT02039765
View directory record Official record
Conditions
Hyperemia
Interventions
Brimonidine tartrate
Drug
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Apr 28, 2017 · Synced Oct 20, 2026, 7:45 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Blood Flow and Pain Crises in People With Sickle Cell Disease

NCT01568710
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years to 99 Years
Enrollment
94 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 9, 2018 · Synced Oct 20, 2026, 7:45 PM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy of KPI-121 Compared to Placebo in Subjects With Dry Eye Disease

NCT02819284
View directory record Official record
Conditions
Dry Eye Syndromes, Keratoconjunctivitis Sicca
Interventions
KPI-121 0.25% Ophthalmic Suspension, Vehicle of KPI-121 0.25% Ophthalmic Suspension
Drug
Lead sponsor
Kala Pharmaceuticals, Inc.
Industry
Eligibility
18 Years and older
Enrollment
909 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
62
States / cities
Birmingham, Alabama • Chandler, Arizona • Jonesboro, Arkansas + 54 more
Source: ClinicalTrials.gov public record
Updated Jan 5, 2021 · Synced Oct 20, 2026, 7:45 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Exploratory Study Comparing Signs and Symptoms in Patients With Ocular Hypertension or Glaucoma Using Xalatan R® or Travatan Z®

NCT00799682
View directory record Official record
Conditions
Dry Eye Disease
Interventions
Xalatan, Travatan Z
Drug
Lead sponsor
Ophthalmic Consultants of Long Island
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
5
States / cities
East Meadow, New York • Lynbrook, New York • Rockville Centre, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 21, 2011 · Synced Oct 20, 2026, 7:45 PM EDT
Completed Phase 2 Interventional Results available

Cabergoline for Lactation Inhibition After Early Second-Trimester Abortion or Pregnancy Loss

NCT06029673
View directory record Official record
Conditions
Lactation Suppressed
Interventions
Cabergoline 1 MG, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
2
States / cities
San Jose, California • Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 3, 2025 · Synced Oct 20, 2026, 7:45 PM EDT
Withdrawn Phase 2 Interventional

Effects of Nitric Oxide on the Endothelium During Hemolysis.

NCT03748082
View directory record Official record
Conditions
Endothelial Dysfunction, Hemolysis Intravascular, Cardiovascular Diseases, Cardiovascular Risk Factor
Interventions
Nitric Oxide, Reactive Hyperemia Index, Endothelial Cells Collection
Drug · Diagnostic Test · Procedure
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Oct 20, 2026, 7:45 PM EDT
Recruiting Phase 3 Interventional

Efficacy and Safety of FID 123472 Ophthalmic Solution for Ocular Redness in Adults

NCT07531043
View directory record Official record
Conditions
Ocular Hyperemia
Interventions
Apraclonidine Ophthalmic Solution, 0.125% Unit Dose Preservative Free, Vehicle
Drug
Lead sponsor
Alcon Research
Industry
Eligibility
18 Years and older
Enrollment
230 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
9
States / cities
Los Angeles, California • Newport Beach, California • Pittsburg, Kansas + 6 more
Source: ClinicalTrials.gov public record
Updated Oct 16, 2026 · Synced Oct 20, 2026, 7:45 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety of Brimonidine Tartrate Ophthalmic Solution in a Population of Pediatric, Adult, and Geriatric Participants

NCT01959243
View directory record Official record
Conditions
Hyperemia
Interventions
Brimonidine Tartrate, Vehicle, Sodium Fluorescein, Fluorescein Sodium and Benoximate Hydrocholoride Ophthalmic Solution USP
Drug
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
5 Years and older
Enrollment
507 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014
U.S. locations
4
States / cities
Phoenix, Arizona • Havre de Grace, Maryland • Andover, Massachusetts + 1 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2019 · Synced Oct 20, 2026, 7:45 PM EDT
Recruiting Phase 4 Interventional Accepts healthy volunteers

Evaluating Injection With the Use of Brimonidine Tartrate Ophthalmic 0.025% on Patients Using Netarsudil 0.02%/Latanoprost 0.005% to Treat Glaucoma

NCT07209410
View directory record Official record
Conditions
Glaucoma
Interventions
Brimonidine Tartrate Ophthalmic 0.025%
Drug
Lead sponsor
Insight Eyecare Specialties, Inc. dba Vision Source Eyecare,
Other
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 18, 2025 · Synced Oct 20, 2026, 7:45 PM EDT
Completed Phase 1 Interventional Results available

Comparison of Intravenous Adenosine Infusion With Regadenoson Bolus for Inducing Maximal Coronary Hyperemia

NCT01161121
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
adenosine, regadenoson
Drug
Lead sponsor
St. Louis University
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2013
U.S. locations
2
States / cities
Jacksonville, Florida • St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 23, 2017 · Synced Oct 20, 2026, 7:45 PM EDT
Recruiting Not applicable Interventional

Wild Blueberries for Gut, Brain, and Heart Health in Adults With High Blood Pressure

NCT06735599
View directory record Official record
Conditions
Hypertension (Without Type 2 Diabetes Mellitus), High Blood Pressure, Male, Female, Adult, Cognition, Endothelial Function (Reactive Hyperemia), Oxidative Stress, Diet, Overweight, Body Composition Measurement, Gut Microbiome, Arterial Stiffness, Caucasian Whites, Inflammation, Microvascular Function
Interventions
Wild Blueberry, Placebo
Dietary Supplement
Lead sponsor
Georgia State University
Other
Eligibility
45 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 20, 2026, 7:45 PM EDT
Completed Phase 2 Interventional Results available

Cabergoline for Lactation Inhibition After Second-Trimester Abortion or Loss

NCT04701333
View directory record Official record
Conditions
Lactation Suppressed
Interventions
Cabergoline 1 MG, Placebo
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Enrollment
73 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Feb 13, 2024 · Synced Oct 20, 2026, 7:45 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Ultrasound Measurement of Reactive Hyperemia in Critical Care

NCT01726595
View directory record Official record
Conditions
Severe Sepsis, Critical Illness
Interventions
Not listed
Lead sponsor
University of Rochester
Other
Eligibility
18 Years and older
Enrollment
250 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
1
States / cities
Rochester, New York
Source: ClinicalTrials.gov public record
Updated Feb 12, 2020 · Synced Oct 20, 2026, 7:45 PM EDT
Completed Phase 3 Interventional Results available

Efficacy and Safety of Brimonidine Tartrate Ophthalmic Solution in Adult and Geriatric Participants With Ocular Redness

NCT01959230
View directory record Official record
Conditions
Hyperemia
Interventions
Brimonidine Tartrate, Vehicle, Sodium Fluorescein, Fluorescein Sodium and Benoximate Hydrocholoride Ophthalmic Solution USP
Drug
Lead sponsor
Bausch & Lomb Incorporated
Industry
Eligibility
18 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Oct 23, 2019 · Synced Oct 20, 2026, 7:45 PM EDT
Recruiting Not applicable Interventional

Peanuts for Cardiometabolic, Brain, and Intestinal Health

NCT06867198
View directory record Official record
Conditions
Prediabetes, Prediabetes (Insulin Resistance, Impaired Glucose Tolerance), Cognition, Microvascular Function, Gut Microbiota, Endothelial Function (Reactive Hyperemia), Arterial Stiffness, Blood Pressure, Adult
Interventions
Peanuts
Dietary Supplement
Lead sponsor
Georgia State University
Other
Eligibility
20 Years to 59 Years
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 20, 2026, 7:45 PM EDT
Not yet recruiting Early Phase 1 Interventional Accepts healthy volunteers

Therapeutic Strategies to Reduce Endothelial Ischemia-reperfusion Injury

NCT06825143
View directory record Official record
Conditions
Metabolic Syndrome, Vascular Injury, Ischemic Preconditioning, Endothelial Function (reactive Hyperemia), Endothelial Dysfunction
Interventions
Ischemic preconditioning, Intravenous lactate infusion, No ischemic preconditioning (control), Normal Saline Infusion (Placebo), Ischemic preconditioning and intravenous lactate
Procedure · Drug · Combination Product
Lead sponsor
Gary Van Guilder
Other
Eligibility
18 Years to 65 Years
Enrollment
68 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Gunnison, Colorado
Source: ClinicalTrials.gov public record
Updated Feb 13, 2025 · Synced Oct 20, 2026, 7:45 PM EDT
Completed Phase 2 Interventional

Study to Investigate Effect of Sildenafil on Clitoral Engorgement as Measured by Magnetic Resonance Imaging (MRI) in Pre-menopausal Women With Female Sexual Arousal Disorder

NCT00640458
View directory record Official record
Conditions
Female Sexual Arousal Disorder
Interventions
Sildenafil 100 mg, Placebo
Drug
Lead sponsor
Pfizer's Upjohn has merged with Mylan to form Viatris Inc.
Industry
Eligibility
18 Years to 45 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2007
U.S. locations
2
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Feb 1, 2021 · Synced Oct 20, 2026, 7:45 PM EDT
Recruiting Not applicable Interventional

Wild Blueberries for Gut, Brain, and Cardiometabolic Health in Prediabetes

NCT06735651
View directory record Official record
Conditions
Prediabetes (Insulin Resistance, Impaired Glucose Tolerance), Female, Adult, Endothelial Function (Reactive Hyperemia), Arterial Stiffness, Cognition, Oxidative Stress, Gut Microbiota, Overweight, Inflammation, Microvascular Function, Body Composition
Interventions
Wild Blueberry, Placebo
Dietary Supplement
Lead sponsor
Georgia State University
Other
Eligibility
20 Years to 65 Years · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 2, 2026 · Synced Oct 20, 2026, 7:45 PM EDT