Independent directory Public ClinicalTrials.gov records United States
Clear filters
ClinicalTrials.gov public records Last synced Sep 24, 2026, 11:53 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 24 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Labor Pain, Obstetric Pain
Interventions
Retrospective chart review
Other
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older · Female only
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Augusta, Georgia
Completed No phase listed Observational

Studying Fetal Breathing Patterns

NCT00066976
Conditions
Pregnancy
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2008
U.S. locations
2
States / cities
San Diego, California • Bethesda, Maryland
Completed Not applicable Interventional

Pediatric Radial Arterial Cannulation

NCT01276158
Conditions
Anesthesia
Interventions
Ultrasound, Doppler
Procedure
Lead sponsor
University of Iowa
Other
Eligibility
Up to 48 Months
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011
U.S. locations
1
States / cities
Iowa City, Iowa
Conditions
Venous Thrombosis
Interventions
Arixtra (fondaparinux sodium), Intermittent compression devices (ICD)
Drug · Device
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years to 85 Years · Female only
Enrollment
7 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
1
States / cities
Birmingham, Alabama
Completed No phase listed Observational Accepts healthy volunteers

Technical Development of Strain Rate Echocardiography

NCT00075920
Conditions
Echocardiography, Doppler
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
1
States / cities
Bethesda, Maryland
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
Completed Not applicable Interventional Accepts healthy volunteers

Doppler Ultrasound Compared With Stethoscope to Assess Heart Rate (HR)

NCT04242654
Conditions
Neonatal Resuscitation
Interventions
Handheld fetal doppler ultrasound
Procedure
Lead sponsor
Columbia University
Other
Eligibility
0 Hours to 1 Hour
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York
Enrolling by invitation No phase listed Observational Accepts healthy volunteers

Multimodal Physiologic State Intelligence Study

NCT07814118
Conditions
Heart Failure, Cardiomyopathies, Pulmonary Hypertension, Myocarditis; Acute or Subacute, Myocarditis Due to Drug, Myocarditis Viral, Pericardial Diseases, Valvular Heart Diseases, Hypertension, Sepsis, Acute Kidney Injury, Pulmonary Edema - Acute, Pulmonary Edema With Heart Failure, Pulmonary Edemas, Acute Respiratory Distress Syndrome, Pulmonary Embolism Acute, Pulmonary Embolism (Diagnosis), Pulmonary Embolism Acute Massive, Pulmonary Embolism Subacute Massive, Venous Thrombosis Pulmonary, Venous Thrombosis (Disorder), Venous Thrombosis, Deep, Peripheral Arterial Disease, Peripheral Arterial Disease (PAD), Aortic Diseases, Muskuloskeletal Diseases, Brain Aging, Brain Aneurysm, Brain Aging Related Conditions, Ultrasound, Ultrasound Exams, Ultrasound Guidance
Interventions
OMNIPHYS Multimodal Ultrasound Imaging System
Device
Lead sponsor
Truway Health, Inc.
Industry
Eligibility
18 Years and older
Enrollment
25,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2046
U.S. locations
1
States / cities
New York, New York
Conditions
Congestive Heart Failure (CHF)
Interventions
Not listed
Lead sponsor
Echosense Ltd.
Industry
Eligibility
50 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
1
States / cities
New York, New York
Conditions
Breast Cancer, Breast Neoplasm
Interventions
Not listed
Lead sponsor
National Institutes of Health Clinical Center (CC)
NIH
Eligibility
Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Conditions
Cerebral Aneurysm, Stroke, Vasospasm, Cerebral, Subarachnoid Hemorrhage, Aneurysmal, Aneurysmal Subarachnoid Hemorrhage, Cerebral Ischemia
Interventions
Transcranial Doppler
Diagnostic Test
Lead sponsor
Hackensack Meridian Health
Other
Eligibility
18 Years and older
Enrollment
3 participants
Timeline
2020 – 2022
U.S. locations
1
States / cities
Hackensack, New Jersey
Conditions
Ranolazine, Diastolic Heart Failure, Tissue Doppler Ultrasound, Echocardiography
Interventions
ranolazine
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
San Diego, California
Conditions
Pregnancy, Cesarean Delivery
Interventions
Manual removal, Expressed removal
Behavioral · Procedure
Lead sponsor
Corewell Health East
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
Royal Oak, Michigan
Conditions
Renal Transplant
Interventions
Elastographic imaging
Other
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
1
States / cities
Houston, Texas
Conditions
Peripheral Arterial Disease(PAD)
Interventions
Not listed
Lead sponsor
Louisiana State University Health Sciences Center Shreveport
Other
Eligibility
18 Years and older
Enrollment
85 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Shreveport, Louisiana
Terminated No phase listed Observational Accepts healthy volunteers

Early Pregnancy Evaluation by Three-Dimensional Ultrasound

NCT00342290
Conditions
First Trimester Bleeding, Pregnancy
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
15 Years and older · Female only
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1998 – 2012
U.S. locations
2
States / cities
Detroit, Michigan • Royal Oak, Michigan
Conditions
Stroke
Interventions
Full-pressure ECP, Sham-pressure ECP
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years to 85 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
3
States / cities
Birmingham, Alabama • Los Angeles, California • San Diego, California
Conditions
Acute Kidney Injury, Fluid Overload, Ultrasonography
Interventions
Portal vein flow, Intra-renal flow, Hepatic vein flow, Pulmonary B-lines, Dimensions of the inferior vena cava, Left ventricular function, Right ventricular function
Diagnostic Test
Lead sponsor
Centre hospitalier de l'Université de Montréal (CHUM)
Other
Eligibility
18 Years and older
Enrollment
125 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2022
U.S. locations
1
States / cities
Lexington, Kentucky
Conditions
Acute Ischemic Stroke
Interventions
MRX-801, Placebo
Drug
Lead sponsor
ImaRx Therapeutics
Industry
Eligibility
18 Years and older
Enrollment
72 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
13
States / cities
Birmingham, Alabama • Phoenix, Arizona • Newport Beach, California + 9 more
Conditions
Anesthesia
Interventions
Ultrasound, Doppler, Palpation
Procedure
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 99 Years
Enrollment
749 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Iowa City, Iowa
Completed No phase listed Observational Accepts healthy volunteers

Transcranial Doppler Using Wearable Ultrasound Patch

NCT06073145
Conditions
Medical Device Complication, Brain Injuries, Brain Diseases, Stroke, Vasospasm
Interventions
conventional transcranial Doppler probe and wearable ultrasound patch.
Device
Lead sponsor
University of California, San Diego
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
San Diego, California
Conditions
Erectile Dysfunctions
Interventions
Low intensity shockwave therapy (LiSWT), Sham
Device
Lead sponsor
San Diego Sexual Medicine
Other
Eligibility
21 Years to 80 Years · Male only
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2023
U.S. locations
1
States / cities
San Diego, California
Conditions
Pulmonary Hypertension
Interventions
Ultrasound Doppler
Radiation
Lead sponsor
Echosense Ltd.
Industry
Eligibility
Not listed
Enrollment
230 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2021
U.S. locations
2
States / cities
Palo Alto, California
Conditions
Hemodialysis
Interventions
Weekly measurement of graft flow
Other
Lead sponsor
DVX, LLC
Industry
Eligibility
18 Years and older
Enrollment
111 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
2
States / cities
Jackson Heights, New York • Jamaica, New York