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Showing 1–13 of 13 matching trials from the live ClinicalTrials.gov search.
Withdrawn No phase listed Observational Accepts healthy volunteers

Cardiometabolic and Mental Health in the RGV

NCT03436875
Conditions
Microvessels, Carbohydrate Metabolism, Diabetes Mellitus, Type 2
Interventions
Not listed
Lead sponsor
University of Texas Rio Grande Valley
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Brownsville, Texas
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
Completed Phase 1 Interventional Accepts healthy volunteers

Study of the Response of Human Small Blood Vessels

NCT00001622
Conditions
Healthy, Hypercholesterolemia, Hypertension
Interventions
investigate the relationship between in vivo and in vitro vascular responses
Procedure
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
87 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1997 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Early Phase 1 Interventional Accepts healthy volunteers

Caffeine and Cerebrovascular Reactivity

NCT04730193
Conditions
Caffeine
Interventions
Caffeine, Placebo
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
21 Years to 85 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Conditions
Breast Neoplasms
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2012
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Enrolling by invitation Phase 2 Interventional Accepts healthy volunteers

A Study of Renal Microvessel Imaging for Chronic Kidney Disease

NCT05764642
Conditions
Healthy, Chronic Kidney Diseases
Interventions
Definity, Super-resolution ultrasound imaging
Drug · Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
186 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
2
States / cities
Jacksonville, Florida • Rochester, Minnesota
Conditions
Female Reproductive System Adnexal Neoplasm, Ovarian Carcinoma, Female Reproductive System Neoplasm, Ovarian Neoplasms, Adnexal Lesion, Ovarian Lesion
Interventions
Transvaginal Ultrasound, Ultrasound Microvessel Imaging
Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Proliferative Breast Disease
Interventions
Contrast Enhanced imaging, Lumason
Diagnostic Test · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
30 Years and older · Female only
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Non-Healing Ulcer of Skin, Non-healing Wound, Lower Extremity Wound
Interventions
Microvessel Ultrasound Examination, Skin Biopsy
Diagnostic Test · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Skin Angiosarcoma
Interventions
Ultrasound Microvessel Imaging
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
21 Years and older
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Diabetes Mellitus, Type 1, Endothelial Dysfunction
Interventions
Dulaglutide, Placebo
Drug
Lead sponsor
AdventHealth Translational Research Institute
Other
Eligibility
18 Years to 40 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Orlando, Florida
Completed No phase listed Observational Accepts healthy volunteers

Microvessels and Heart Problems in Sickle Cell Disease

NCT01602809
Conditions
Sickle Cell Disease
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
65 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Early Phase 1 Interventional Accepts healthy volunteers

3D Ultrasound Microvessel Imaging for Breast Masses

NCT04925817
Conditions
Breast Carcinoma
Interventions
Electronic Health Record Review, Ultrasound Microvessel Imaging
Other · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota