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ClinicalTrials.gov public records Last synced Oct 17, 2026, 12:48 PM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 25–48 of 60 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Transcranial Doppler Clear all
Terminated Not applicable Interventional

Effects of Cerebral Protection With Filters vs. Flow Reversal on Cerebral Embolization After Carotid Artery Stenting

NCT01414387
View directory record Official record
Conditions
Carotid Artery Disease, Stroke
Interventions
Carotid filter, Carotid reversal of flow
Procedure
Lead sponsor
Dallas VA Medical Center
Federal
Eligibility
18 Years and older
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Aug 2, 2017 · Synced Oct 17, 2026, 12:48 PM EDT
Not yet recruiting No phase listed Observational

Prospective Observational Multimodal Neuromonitoring in Adult NSICU Patients

NCT07577713
View directory record Official record
Conditions
Subarachnoid Hemorrhage, Aneurysmal, Brain Injuries, Traumatic, Cerebral Hemorrhage, Ischemic Stroke, Delayed Emergence From Anesthesia, Encephalopathy
Interventions
Not listed
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated May 11, 2026 · Synced Oct 17, 2026, 12:48 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Transcranial Doppler(TCD) Evaluation of High Intensity Transient Signals and Carotid Disease

NCT05829200
View directory record Official record
Conditions
Asymptomatic Carotid Stenosis, Symptomatic Carotid Stenosis, TCD, HITS
Interventions
Transcranial Doppler (TCD)
Device
Lead sponsor
Ochsner Health System
Other
Eligibility
18 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2013
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Apr 25, 2023 · Synced Oct 17, 2026, 12:48 PM EDT
Recruiting No phase listed Observational

Brain Blood Flow and Cerebral Autoregulation Monitoring in Critically Ill Children

NCT07613918
View directory record Official record
Conditions
Critical Illness, Pediatric Critical Illness, Respiratory Failure, Traumatic Brain Injury, Cardiac Arrest
Interventions
Transcranial Doppler
Device
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
1 Day to 17 Years
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Aug 27, 2026 · Synced Oct 17, 2026, 12:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Translational Research Examining Acupuncture Treatment in Traumatic Brain Injury

NCT02623218
View directory record Official record
Conditions
Traumatic Brain Injury
Interventions
Acupuncture, Sham Acupuncture
Device
Lead sponsor
AOMA Graduate School of Integrative Medicine
Other
Eligibility
18 Years to 50 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Jan 28, 2020 · Synced Oct 17, 2026, 12:48 PM EDT
Terminated Not applicable Interventional Results available

Visualization of Cerebral Arteries Using Contrast-Enhanced Transcranial Ultrasound in Stroke Patients

NCT00282841
View directory record Official record
Conditions
Stroke
Interventions
ultrasound
Other
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
61 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2007
U.S. locations
2
States / cities
San Diego, California
Source: ClinicalTrials.gov public record
Updated Aug 7, 2019 · Synced Oct 17, 2026, 12:48 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Sex-specific Effect of Restricted Sleep on Brain Health

NCT05920759
View directory record Official record
Conditions
Cerebrovascular Circulation
Interventions
Cerebral blood flow
Diagnostic Test
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years to 45 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Nov 26, 2025 · Synced Oct 17, 2026, 12:48 PM EDT
Not listed Not applicable Interventional

The Use of Transcranial Ultrasound Treatment of Obsessive-Compulsive Disorder

NCT04775875
View directory record Official record
Conditions
Obsessive-Compulsive Disorder
Interventions
Focused Ultrasound
Device
Lead sponsor
Neurological Associates of West Los Angeles
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
2
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Sep 28, 2022 · Synced Oct 17, 2026, 12:48 PM EDT
Completed Phase 1 Interventional

Haploidentical Stem Cell Transplant for Patients With Sickle Cell Disease and Prior Stroke or Abnormal Transcranial Ultrasound

NCT00152113
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Hematopoietic Stem Cell Transplantation, CliniMACS, See intervention description
Procedure · Device · Drug
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
2 Years to 16 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2009
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Apr 26, 2017 · Synced Oct 17, 2026, 12:48 PM EDT
Terminated Phase 3 Interventional Results available

Sparing Conversion to Abnormal TCD (Transcranial Doppler) Elevation (SCATE)

NCT01531387
View directory record Official record
Conditions
Sickle Cell Anemia
Interventions
Hydroxyurea
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
2 Years to 10 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Feb 8, 2016 · Synced Oct 17, 2026, 12:48 PM EDT
Completed No phase listed Observational

Transcranial Doppler Ultrasound Monitoring During Flow-Diverter Embolization

NCT02354300
View directory record Official record
Conditions
Intracranial Aneurysm, Aneurysm, Intracranial, Giant Intracranial Aneurysm
Interventions
TCD Ultrasound
Device
Lead sponsor
University of Florida
Other
Eligibility
18 Years and older
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Aug 26, 2016 · Synced Oct 17, 2026, 12:48 PM EDT
Completed No phase listed Observational

Non-Significant Risk Study Comparing the Nautilus NeuroWaveTM to Transcranial Doppler as an Aid to Diagnosing Vasospasm

NCT01595802
View directory record Official record
Conditions
Cerebral Vasospasm
Interventions
Nautilus NeuroWave, Transcranial Doppler (TCD)
Device
Lead sponsor
Jan Medical, Inc.
Industry
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jun 9, 2022 · Synced Oct 17, 2026, 12:48 PM EDT
Completed No phase listed Observational

Mechanisms of Ischemic Stroke in Cancer Patients

NCT02604667
View directory record Official record
Conditions
Stroke, Cancer
Interventions
Blood tests, Transcranial Doppler Microemboli Detection Study
Other
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
2
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated May 5, 2021 · Synced Oct 17, 2026, 12:48 PM EDT
Terminated Phase 3 Interventional Results available

Study to Evaluate the Effect of GBT440 on TCD in Pediatrics With Sickle Cell Disease

NCT04218084
View directory record Official record
Conditions
Sickle Cell Disease
Interventions
Voxelotor, Placebo
Drug
Lead sponsor
Pfizer
Industry
Eligibility
2 Years to 14 Years
Enrollment
236 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2024
U.S. locations
13
States / cities
Washington D.C., District of Columbia • Miami, Florida • Atlanta, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2026 · Synced Oct 17, 2026, 12:48 PM EDT
Enrolling by invitation Not applicable Interventional

Cervical Sympathetic Block in Patients With Cerebral Vasospasm

NCT05230134
View directory record Official record
Conditions
Anesthesia, Local, Cerebral Vasospasm, Subarachnoid Hemorrhage, Aneurysmal
Interventions
Cervical sympathetic block
Procedure
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Oct 20, 2025 · Synced Oct 17, 2026, 12:48 PM EDT
Completed No phase listed Observational

NOninVasive Intracranial prEssure From Transcranial doppLer Ultrasound Development of a Comprehensive Database of Multimodality Monitoring Signals for Brain-Injured Patients

NCT04548596
View directory record Official record
Conditions
Traumatic Brain Injury, Subarachnoid Hemorrhage, Intracerebral Hemorrhage, Liver Failure, Ischemic Stroke
Interventions
Transcranial Doppler
Diagnostic Test
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
162 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2025
U.S. locations
3
States / cities
Davis, California • San Francisco, California • Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 18, 2025 · Synced Oct 17, 2026, 12:48 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Vascular Assessment of Regulation Index Arrays Registry

NCT02435082
View directory record Official record
Conditions
Concussion
Interventions
Not listed
Lead sponsor
NeuroChaos Solutions, Inc.
Industry
Eligibility
13 Years and older
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Jun 2, 2016 · Synced Oct 17, 2026, 12:48 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Early Detection of Vascular Dysfunction Using Biomarkers From Lagrangian Carotid Strain Imaging

NCT04632485
View directory record Official record
Conditions
Healthy, Carotid Artery Diseases
Interventions
Ultrasound imaging, Magnetic Resonance Imaging (MRI), Neurocognitive testing, Transcranial Doppler (TCD), Pulse Wave Doppler
Device · Other
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 89 Years
Enrollment
217 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jul 2, 2025 · Synced Oct 17, 2026, 12:48 PM EDT
Recruiting No phase listed Observational

Pulmonary Embolism and Right-to-Left Shunts

NCT07519876
View directory record Official record
Conditions
Pulmonary Embolism (PE), Right-to-Left Shunt, Stroke, Atrial Septal Defects, Patent Foramen Ovale (PFO), Pulmonary Arteriovenous Malformation
Interventions
Not listed
Lead sponsor
Tufts Medical Center
Other
Eligibility
18 Years and older
Enrollment
256 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 9, 2026 · Synced Oct 17, 2026, 12:48 PM EDT
Withdrawn Phase 1 Interventional Accepts healthy volunteers

Impact of NOS, COX, and ROS Inhibition on Cerebral Blood Flow Regulation

NCT03066115
View directory record Official record
Conditions
Hypoxia, Hypercapnia
Interventions
L-NMMA, Ketorolac, Ascorbic Acid, Intravenous Catheter, Transcranial Doppler Ultrasound
Drug · Procedure
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years to 45 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jan 10, 2019 · Synced Oct 17, 2026, 12:48 PM EDT
Not yet recruiting No phase listed Observational

Feasibility of Using NeuraSignal Transcranial Doppler Robot

NCT06565442
View directory record Official record
Conditions
Cerebral Autoregulation
Interventions
NeuraSignal transcranial doppler robot
Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 89 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jul 27, 2026 · Synced Oct 17, 2026, 12:48 PM EDT
Completed No phase listed Observational

Regulation of Cerebral Blood Flow in Very Low Birth Weight Infants

NCT00579943
View directory record Official record
Conditions
Infant, Very Low Birth Weight, Infant, Premature, Diseases, Cerebral Hemorrhage
Interventions
Not listed
Lead sponsor
University of Arkansas
Other
Eligibility
1 Hour to 7 Days
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Jun 4, 2008 · Synced Oct 17, 2026, 12:48 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

UTLight-transcranial Doppler Assessment of Regional Cerebral Autoregulation

NCT02178787
View directory record Official record
Conditions
Diabetes
Interventions
Not listed
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
50 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 16, 2017 · Synced Oct 17, 2026, 12:48 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Brain Vascular Disease in Aging and Dementia

NCT03075007
View directory record Official record
Conditions
Alzheimer Disease, White Matter Hyperintensities, Dementia, Aging
Interventions
Florbetaben F18, Transcranial Doppler
Radiation · Procedure
Lead sponsor
Columbia University
Other
Eligibility
60 Years and older
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 12, 2019 · Synced Oct 17, 2026, 12:48 PM EDT