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ClinicalTrials.gov public records Last synced Oct 20, 2026, 2:39 AM EDT

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Showing 433–456 of 610 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Vascular Dilatation Clear all
Completed Early Phase 1 Interventional Accepts healthy volunteers

Reflex Responses to Intermittent Hypoxia in Humans: Mechanisms and Consequences

NCT05146089
View directory record Official record
Conditions
Sleep Apnea, Healthy, Vasoconstriction, Vasodilation
Interventions
Hypoxic exposure, modified Oxford test, Oral Bosentan 62.5 mg, Hypoxic ventilatory response test
Other · Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 45 Years
Enrollment
54 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
2
States / cities
Columbia, Missouri • Rochester, Missouri
Source: ClinicalTrials.gov public record
Updated Dec 6, 2021 · Synced Oct 20, 2026, 2:39 AM EDT
Recruiting No phase listed Observational

Optima Coil Performance in The Interventional Management of Intracranial Aneurysms Registry

NCT06282939
View directory record Official record
Conditions
Intracranial Aneurysm
Interventions
OPTIMA and OPTIMAX Coils manufactured by Balt USA
Device
Lead sponsor
HCA Healthcare Research Institute
Other
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Plano, Texas
Source: ClinicalTrials.gov public record
Updated Feb 28, 2024 · Synced Oct 20, 2026, 2:39 AM EDT
Terminated Phase 2 Interventional Results available

Intravenous Nitrite Infusion for Reversal of Cerebral Vasospasm After Subarachnoid Hemorrhage

NCT02176837
View directory record Official record
Conditions
Subarachnoid Hemorrhage
Interventions
Sodium Nitrite
Drug
Lead sponsor
Hope Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 30, 2018 · Synced Oct 20, 2026, 2:39 AM EDT
Recruiting Not applicable Interventional

A Study to Evaluate the Safety and Effectiveness of the Rapidlink Device When Used in Patients Undergoing an Open Surgical Procedure to Repair the Aorta

NCT07078383
View directory record Official record
Conditions
Aortic Aneurysm, Aortic Aneurysm and Dissection, Aortic Diseases, Aneurysm of Aorta, Thoracic, Aneurysmal Disease, Aorta, Thoracic Pathologies
Interventions
Rapidlink
Device
Lead sponsor
Vascutek Ltd.
Industry
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
15
States / cities
Los Angeles, California • Aurora, Colorado • Washington D.C., District of Columbia + 11 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Oct 20, 2026, 2:39 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Effects of Miconazole on Blood Flow

NCT00004575
View directory record Official record
Conditions
Healthy
Interventions
Miconazole, L-NMMA, Bradykinin
Drug
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2001
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 20, 2026, 2:39 AM EDT
Not listed No phase listed Observational

UVA Brain and Aortic Aneurysm Study

NCT02869464
View directory record Official record
Conditions
Intracranial Aneurysm, Abdominal Aortic Aneurysm
Interventions
Imaging-Ultrasound, Imaging-MRA, DNA, RNA testing
Other · Genetic
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
360 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2014
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 17, 2016 · Synced Oct 20, 2026, 2:39 AM EDT
Terminated No phase listed Observational

Tack Optimized Balloon Angioplasty Post-Market Study

NCT05361967
View directory record Official record
Conditions
PAD - Peripheral Arterial Disease, PAD, Dissection, Arterial Dissection, Peripheral Arterial Disease, Peripheral Vascular Diseases
Interventions
The Tack Endovascular System
Device
Lead sponsor
Spectranetics Corporation
Industry
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
10
States / cities
Thornton, Colorado • Hartford, Connecticut • Fort Lauderdale, Florida + 7 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2024 · Synced Oct 20, 2026, 2:39 AM EDT
Completed No phase listed Observational

Global Iliac Branch Study

NCT05607277
View directory record Official record
Conditions
Abdominal Aortic Aneurysm, Iliac Aneurysm
Interventions
Endovascular Repair of abdominal aortic aneurysms
Procedure
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
21 Years and older
Enrollment
297 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 19, 2024 · Synced Oct 20, 2026, 2:39 AM EDT
Withdrawn Phase 3 Interventional

Study to Assess Acute Vasodilation Response of Inhaled Nitric Oxide

NCT02436512
View directory record Official record
Conditions
Pulmonary Arterial Hypertension
Interventions
Inhaled Nitric Oxide
Drug
Lead sponsor
Geno LLC
Industry
Eligibility
18 Years to 70 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
2
States / cities
Birmingham, Alabama • Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 7, 2015 · Synced Oct 20, 2026, 2:39 AM EDT
Recruiting Early Phase 1 Interventional Accepts healthy volunteers

Sex Disparities in Hypoxic Vasodilation and Impact of Obesity

NCT05219799
View directory record Official record
Conditions
Obesity, Vasodilation, Healthy
Interventions
Propranolol Hydrochloride, Isoproterenol, Phentolamine Mesylate, Norepinephrine
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 45 Years
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Oct 20, 2026, 2:39 AM EDT
Recruiting Not applicable Interventional

Pivotal Study of the Silk Vista Baby Flow Diverters in the Treatment of Unruptured Intracranial Aneurysms (PIONEER)

NCT07225075
View directory record Official record
Conditions
Intracranial Aneurysm
Interventions
Silk Vista Baby (SVB) Flow Diverter
Device
Lead sponsor
Balt USA
Industry
Eligibility
22 Years to 80 Years
Enrollment
250 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
5
States / cities
Thousand Oaks, California • Walnut Creek, California • Jacksonville, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 20, 2026, 2:39 AM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Dexmedetomidine for Postoperative Sedation in Patients Undergoing Repair of Thoracoabdominal Aortic Aneurysms

NCT00409344
View directory record Official record
Conditions
Sedation, Respiration, Artificial, Length of Stay
Interventions
Dexmedetomidine, Normal Saline
Drug · Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 22, 2009 · Synced Oct 20, 2026, 2:39 AM EDT
Completed No phase listed Observational

Blood Vessel Function in HIV-Infected Patients Taking Anti-HIV Drugs

NCT00050908
View directory record Official record
Conditions
HIV Infections
Interventions
Not listed
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
13 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2007
U.S. locations
9
States / cities
Los Angeles, California • San Diego, California • Honolulu, Hawaii + 4 more
Source: ClinicalTrials.gov public record
Updated Jul 29, 2013 · Synced Oct 20, 2026, 2:39 AM EDT
Completed No phase listed Observational Results available

Success in Comaneci-assist Coils Embolization Surveillance Study (SUCCESS)

NCT04518670
View directory record Official record
Conditions
Intracranial Aneurysm
Interventions
Comaneci Embolization Assist Device
Device
Lead sponsor
Rapid Medical
Industry
Eligibility
18 Years to 85 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
8
States / cities
Mobile, Alabama • Tucson, Arizona • Santa Barbara, California + 5 more
Source: ClinicalTrials.gov public record
Updated Jan 21, 2026 · Synced Oct 20, 2026, 2:39 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Study of Niacin on Endothelial Function in HIV-infected Subjects With Low High Density Lipoprotein Cholesterol Levels

NCT00986986
View directory record Official record
Conditions
HIV Infections, Dyslipidemia, Endothelial Dysfunction
Interventions
extended release niacin
Drug
Lead sponsor
University of Hawaii
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Honolulu, Hawaii
Source: ClinicalTrials.gov public record
Updated Dec 18, 2012 · Synced Oct 20, 2026, 2:39 AM EDT
Completed Not applicable Interventional Results available

EVAS2 IDE Prospective, Multicenter, Single Arm Safety and Effectiveness Confirmatory Study

NCT03298477
View directory record Official record
Conditions
Abdominal Aortic Aneurysm Without Rupture
Interventions
Nellix® System
Device
Lead sponsor
Endologix
Industry
Eligibility
18 Years and older
Enrollment
98 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
27
States / cities
Huntsville, Alabama • Los Angeles, California • San Diego, California + 24 more
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Oct 20, 2026, 2:39 AM EDT
Completed No phase listed Observational

The Pharmacokinetics of Opioids and Sedative/Hypnotics During Selective Cerebral Perfusion

NCT00494598
View directory record Official record
Conditions
Aortic Aneurysm
Interventions
Sufentanil
Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 1, 2013 · Synced Oct 20, 2026, 2:39 AM EDT
Completed Phase 4 Interventional

Endovascular Repair of Descending Thoracic Aortic Aneurysms

NCT00802984
View directory record Official record
Conditions
Aortic Aneurysm, Thoracic
Interventions
Endovascular thoracic aortic aneurysm repair using TALENT TAA Stent Graft System
Device
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
29 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2005
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 8, 2020 · Synced Oct 20, 2026, 2:39 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Digital Home Blood Pressure Monitoring in Type B Aortic Dissection Patients

NCT04116684
View directory record Official record
Conditions
Aortic Dissection, Hypertension
Interventions
Withings Digital Blood Pressure Monitor
Device
Lead sponsor
The Cleveland Clinic
Other
Eligibility
18 Years and older
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 8, 2021 · Synced Oct 20, 2026, 2:39 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Clopidogrel Hyper-Responsiveness: Incidence and Associated Outcomes in Patients With Cerebral Aneurysms

NCT05945563
View directory record Official record
Conditions
Cerebral Aneurysm
Interventions
Not listed
Lead sponsor
Methodist Health System
Other
Eligibility
18 Years to 85 Years
Enrollment
208 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Oct 20, 2026, 2:39 AM EDT
Completed Not applicable Interventional

Effect of Exercise on Endothelial Function and Vascular Compliance in Chronic Kidney Disease

NCT01068314
View directory record Official record
Conditions
Kidney Failure, Chronic
Interventions
Repetitive arm exercise
Other
Lead sponsor
University of Iowa
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Feb 27, 2014 · Synced Oct 20, 2026, 2:39 AM EDT
Terminated Not applicable Interventional

MOSTEGRA TRIAL:MO-(Dified) STE-(nt) GRA(-ft): Surgeon-modified Fenestrated-branched Stent-grafts

NCT02101463
View directory record Official record
Conditions
Complex Aortic Aneurysms
Interventions
surgeon-modified fenestrated-branched stent-grafts (sm-FBSG)
Device
Lead sponsor
Northside Hospital, Inc.
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 15, 2019 · Synced Oct 20, 2026, 2:39 AM EDT
Completed Not applicable Interventional

Framing Eighteen Coils in Cerebral Aneurysms Trial

NCT01655784
View directory record Official record
Conditions
Cerebral Aneurysm
Interventions
Coil Embolization with larger Diameter Coils, Coil Embolization with Standard Diameter Coils
Procedure
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
651 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2024
U.S. locations
24
States / cities
Fresno, California • Englewood, Colorado • Gainesville, Florida + 19 more
Source: ClinicalTrials.gov public record
Updated Feb 6, 2025 · Synced Oct 20, 2026, 2:39 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Non-Invasive Treatment of Abdominal Aortic Aneurysm Clinical Trial

NCT01756833
View directory record Official record
Conditions
Aneurysm
Interventions
Doxycycline, Placebo
Drug
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
55 Years and older
Enrollment
261 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
22
States / cities
Tucson, Arizona • Los Angeles, California • Stanford, California + 15 more
Source: ClinicalTrials.gov public record
Updated Nov 26, 2021 · Synced Oct 20, 2026, 2:39 AM EDT