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Showing 1–24 of 35 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Hyperemia Clear all
Completed No phase listed Observational Accepts healthy volunteers

Engorgement Study With a Double Electric Breast Pump

NCT01619371
View directory record Official record
Conditions
Engorgement
Interventions
Simplisse Double Electric Breast Pump
Device
Lead sponsor
Foundation for Maternal Infant and Lactation Knowledge
Other
Eligibility
18 Years and older · Female only
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Reno, Nevada
Source: ClinicalTrials.gov public record
Updated Jun 13, 2012 · Synced Jul 21, 2026, 11:23 AM 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 12, 2021 · Synced Jul 21, 2026, 11:23 AM EDT
Completed Phase 4 Interventional Results available

Evaluation of Hyperemia With the Use of Ocular Prostaglandin Analogues

NCT00539526
View directory record Official record
Conditions
Open Angle Glaucoma, Ocular Hypertension
Interventions
Bimatoprost 0.03%, travoprost 0.004%, latanoprost 0.005% eye drops
Drug
Lead sponsor
Allergan
Industry
Eligibility
18 Years and older
Enrollment
106 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2008
U.S. locations
1
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Apr 23, 2019 · Synced Jul 21, 2026, 11:23 AM 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 2, 2025 · Synced Jul 21, 2026, 11:23 AM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers Results available

Vascular Dysfunction in Black Individuals: Roles of Nitric Oxide and Endothelin-1

NCT04770155
View directory record Official record
Conditions
Vascular Function, Racial Disparity
Interventions
Dietary Nitrates 400 mg, L-citrulline 3 g, Sildenafil 100 mg, Bosentan 125 mg
Dietary Supplement · Drug
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years to 40 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Oct 30, 2023 · Synced Jul 21, 2026, 11:23 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

Heat Therapy, Functional Capacity, and Vascular Health in Older Adults

NCT05706181
View directory record Official record
Conditions
Aging Well, Walking, Difficulty, Hyperemia
Interventions
Home-based leg heat therapy, Home-based sham therapy
Other
Lead sponsor
University of North Texas Health Science Center
Other
Eligibility
55 Years to 80 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Jul 21, 2026, 11:23 AM 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 22, 2017 · Synced Jul 21, 2026, 11:23 AM EDT
Not listed No phase listed Observational

Renal Autotransplantation; Case Series

NCT05115812
View directory record Official record
Conditions
Renal Vascular Disease, Nutcracker Syndrome, Renal, Pelvic Trauma, Loin Pain-Hematuria Syndrome, Renal Tumor, Congestion, Venous
Interventions
Pre-Operative Information, Intra-Operative Data, Post-Operative Data (up to discharge), Short-Term Follow-Up Data
Procedure · Other
Lead sponsor
Methodist Health System
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 26, 2024 · Synced Jul 21, 2026, 11:23 AM 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 11, 2020 · Synced Jul 21, 2026, 11:23 AM EDT
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 8, 2019 · Synced Jul 21, 2026, 11:23 AM EDT
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Type 1 Diabetes Autonomic and Vascular Function

NCT06786546
View directory record Official record
Conditions
Type 1 Diabetes (Juvenile Onset), Type 1 Diabetes, Diabetes, Autoimmune
Interventions
Not listed
Lead sponsor
University of Texas at Austin
Other
Eligibility
18 Years to 70 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2029
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Sep 11, 2025 · Synced Jul 21, 2026, 11:23 AM 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 Mar 26, 2026 · Synced Jul 21, 2026, 11:23 AM EDT
Not yet 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
1
States / cities
Fort Worth, Texas
Source: ClinicalTrials.gov public record
Updated Jun 9, 2026 · Synced Jul 21, 2026, 11:23 AM 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 4, 2021 · Synced Jul 21, 2026, 11:23 AM 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 1, 2025 · Synced Jul 21, 2026, 11:23 AM 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 17, 2025 · Synced Jul 21, 2026, 11:23 AM EDT
Completed Not applicable Interventional Results available

Vitamin D Repletion in Coronary Artery Disease

NCT01570309
View directory record Official record
Conditions
Vitamin D Deficiency, Coronary Artery Disease, Endothelial Dysfunction, Inflammation
Interventions
Ergocalciferol, Sugar pill
Drug · Other
Lead sponsor
Seth I. Sokol, M.D.
Other
Eligibility
18 Years and older
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
2
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 9, 2013 · Synced Jul 21, 2026, 11:23 AM 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 27, 2017 · Synced Jul 21, 2026, 11:23 AM EDT
Completed No phase listed Observational

Perioperative Kinetics of Reactive Hyperemia Using Noninvasive Digital Thermal Monitoring

NCT00683150
View directory record Official record
Conditions
Abdominal Surgery, Thoracic Surgery
Interventions
Endothelial Function Test
Other
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
59 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jul 30, 2012 · Synced Jul 21, 2026, 11:23 AM 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 Mar 26, 2026 · Synced Jul 21, 2026, 11:23 AM EDT
Recruiting Phase 3 Interventional

SAFE Nerve Sparing Guided by Micro-ultrasound (MUS)

NCT06945315
View directory record Official record
Conditions
Prostate Cancer, Erectile Dysfunction
Interventions
RALP (Robotic-assisted radical prostatectomy), SAFE (Saline assisted fascial engorgement)
Procedure · Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
18 Years and older · Male only
Enrollment
196 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 24, 2025 · Synced Jul 21, 2026, 11:23 AM 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 22, 2019 · Synced Jul 21, 2026, 11:23 AM EDT
Completed No phase listed Observational

Diastolic Hyperemia Free Index for Assessment of Moderate Coronary Stenoses

NCT04019535
View directory record Official record
Conditions
Coronary Artery Disease
Interventions
physiological assessment with Volcano Verrata pressure wire (iFR)
Device
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years to 90 Years
Enrollment
88 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 12, 2025 · Synced Jul 21, 2026, 11:23 AM EDT