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ClinicalTrials.gov public records Last synced Oct 22, 2026, 11:59 AM EDT

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Showing 49–72 of 98 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Definity contrast agent Clear all
Completed Not applicable Interventional

Pre-operative Evaluation of Kidney & Pancreas Transplant Patients

NCT00580437
View directory record Official record
Conditions
Kidney Transplantation, Pancreas Transplantation
Interventions
Dobutamine Stress Echocardiogram
Procedure
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2012
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Feb 16, 2024 · Synced Oct 22, 2026, 11:59 AM EDT
Completed Not applicable Interventional Results available

Non-invasive Blood-brain Barrier Opening in Alzheimer's Disease Patients Using Focused Ultrasound

NCT04118764
View directory record Official record
Conditions
Alzheimer Disease
Interventions
Neuronavigation-guided single-element focused ultrasound transducer, Definity, Magnetic Resonance Imaging (MRI) with or without gadolinium contrast agents, Positron Emission Tomography (PET), Amyvid
Device · Drug · Other
Lead sponsor
Columbia University
Other
Eligibility
50 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 26, 2024 · Synced Oct 22, 2026, 11:59 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Evaluation of Predictors of Aortic Aneurysm Growth and Rupture

NCT02022436
View directory record Official record
Conditions
Abdominal Aortic Aneurysm
Interventions
Contrast Ultrasound
Drug
Lead sponsor
Rabih A. Chaer
Other
Eligibility
21 Years and older
Enrollment
66 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2022
U.S. locations
1
States / cities
Pittsburgh, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 13, 2023 · Synced Oct 22, 2026, 11:59 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

3-D Super Resolution Ultrasound Microvascular Imaging

NCT04136912
View directory record Official record
Conditions
Breast Cancer, Thyroid Cancer
Interventions
Definity, Acoustic Angiography
Drug · Device
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 6, 2025 · Synced Oct 22, 2026, 11:59 AM EDT
Not listed Phase 1Phase 2 Interventional Accepts healthy volunteers

Assessment of the Changes in Cortical and Medullary Renal Blood Flow During Exercise in Healthy Subjects Using Contrast Enhanced Ultrasound

NCT02672722
View directory record Official record
Conditions
Healthy, Physiology
Interventions
Definity, Exercise, Kidney Ultrasound
Drug · Other
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 50 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 12, 2017 · Synced Oct 22, 2026, 11:59 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Assessment of Changes in Renal Cortical and Medullary Blood Flow by Contrast Ultrasound

NCT00631553
View directory record Official record
Conditions
Kidney
Interventions
perflutren lipid microspheres
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 65 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Aug 7, 2008 · Synced Oct 22, 2026, 11:59 AM EDT
Withdrawn Not applicable Interventional

Characterization of Thyroid Nodules Using Contrast Enhanced Ultrasound

NCT01225016
View directory record Official record
Conditions
Thyroid Nodules
Interventions
Definity contrast agent
Drug
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 31, 2012 · Synced Oct 22, 2026, 11:59 AM EDT
Not listed Not applicable Interventional

Evaluation of Renal Blood Flow Using Contrast Enhanced Ultrasound for Differential Diagnosis of Acute Kidney Injury in Cirrhotic Patients: A Pilot Study

NCT02147470
View directory record Official record
Conditions
Liver Cirrhosis and Acute Kidney Injury
Interventions
Definity ultrasound contrast agent
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 26, 2014 · Synced Oct 22, 2026, 11:59 AM EDT
Completed Not applicable Interventional Results available

Contrast Sonography for Evaluation of Liver Tumors Prior to Radiofrequency Ablation

NCT00584402
View directory record Official record
Conditions
Liver Neoplasms
Interventions
perflutren lipid microspheres
Drug
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jul 11, 2017 · Synced Oct 22, 2026, 11:59 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Contrast-enhanced Ultrasound of the Kidney

NCT02684435
View directory record Official record
Conditions
Chronic Kidney Disease, Cystic Kidney Disease
Interventions
Perflutren lipid microsphere
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
63 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
2
States / cities
Chapel Hill, North Carolina • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 26, 2019 · Synced Oct 22, 2026, 11:59 AM EDT
Completed Phase 1Phase 2 Interventional Results available

CeVUS With Intravesical Administration of OPTISON TM (Trademark) in Children

NCT02204917
View directory record Official record
Conditions
Vesico-Ureteral Reflux
Interventions
OPTISON
Drug
Lead sponsor
Kassa Darge
Other
Eligibility
Up to 18 Years
Enrollment
31 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 27, 2018 · Synced Oct 22, 2026, 11:59 AM EDT
Completed Phase 3 Interventional Results available

DEF-314 Better Accuracy in Ejection Fraction (EF) Assessment With DEFINITY

NCT03571672
View directory record Official record
Conditions
Cardiac Disease
Interventions
DEFINITY
Drug
Lead sponsor
Lantheus Medical Imaging
Industry
Eligibility
18 Years and older
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
9
States / cities
Tucson, Arizona • San Diego, California • Wilmington, Delaware + 6 more
Source: ClinicalTrials.gov public record
Updated Dec 17, 2020 · Synced Oct 22, 2026, 11:59 AM EDT
Terminated Phase 1 Interventional

Evaluation of Intra-operative Ultrasound Contrast Enhancement in the Evaluation of Liver Tumors

NCT00955097
View directory record Official record
Conditions
Liver Tumors
Interventions
Definity®
Drug
Lead sponsor
University of Louisville
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
2
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Oct 21, 2013 · Synced Oct 22, 2026, 11:59 AM EDT
Recruiting Phase 2 Interventional

Periprosthetic Joint Infection Bubble Study

NCT07599865
View directory record Official record
Conditions
Periprosthetic Joint Infection (PJI)
Interventions
Ultrasound-triggered microbubble destruction with antibiotics
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
3
States / cities
Philadelphia, Pennsylvania • Pittsburgh, Pennsylvania • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 22, 2026, 11:59 AM EDT
Completed No phase listed Observational

Retrospective Safety Study to Compare Mortality in Intensive Care Unite (ICU) Patients Undergoing Echocardiography With or Without DEFINITY®

NCT01299649
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
Not listed
Lead sponsor
Lantheus Medical Imaging
Industry
Eligibility
18 Years and older
Enrollment
4,300,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
1
States / cities
North Billerica, Massachusetts
Source: ClinicalTrials.gov public record
Updated Nov 10, 2020 · Synced Oct 22, 2026, 11:59 AM EDT
Completed Not applicable Interventional

Stress Echocardiography and Heart Computed Tomography (CT) Scan in Emergency Department Patients With Chest Pain

NCT01384448
View directory record Official record
Conditions
Chest Pain, Angina, Angina Pectoris, Coronary Artery Disease
Interventions
Stress Echocardiography, Coronary CT Angiography
Procedure
Lead sponsor
Montefiore Medical Center
Other
Eligibility
30 Years and older
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2017
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated Oct 11, 2018 · Synced Oct 22, 2026, 11:59 AM EDT
Completed Not applicable Interventional

Pilot 3D Contrast-Enhanced Ultrasound Imaging to Predict Treatment Response in Liver Metastases

NCT01631318
View directory record Official record
Conditions
Liver Metastases, Colon Cancer
Interventions
Dynamic contrast-enhanced ultrasound imaging, Optical Tracking Device, Electromagnetic Tracking Device, Perflutren
Procedure · Device · Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2020
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Jun 10, 2022 · Synced Oct 22, 2026, 11:59 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Microvascular Flow Assessment Repeatability Study: The MARS Study

NCT01242020
View directory record Official record
Conditions
Obesity
Interventions
Perflutren Lipid Microsphere Injectable Suspension
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
18 Years to 45 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 11, 2017 · Synced Oct 22, 2026, 11:59 AM EDT
Recruiting Phase 3 Interventional

Noninvasive Subharmonic Aided Pressure Estimation of Portal Hypertension; Renewal

NCT05470205
View directory record Official record
Conditions
Liver Diseases, Portal Hypertension
Interventions
SHAPE measurement (Sonazoid ultrasoud contrast agent), SHAPE measurement (Definity ultrasoud contrast agent)
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
660 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 2, 2026 · Synced Oct 22, 2026, 11:59 AM EDT
Withdrawn No phase listed Observational

Definity for Ultrasound of Intraocular Tumors

NCT01930968
View directory record Official record
Conditions
Ocular Melanoma
Interventions
Not listed
Lead sponsor
Emory University
Other
Eligibility
20 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Feb 23, 2022 · Synced Oct 22, 2026, 11:59 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Comparison of 129Xe MRI With 19F MRI in CF Lung Disease

NCT03482960
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Hyperpolarized Xenon gas, PFP
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jan 25, 2021 · Synced Oct 22, 2026, 11:59 AM EDT
Withdrawn Not applicable Interventional

Effects of Vitamin D on Renal Blood Flow, Proteinuria and Inflammation in Patients With Chronic Kidney Disease

NCT01426724
View directory record Official record
Conditions
Chronic Kidney Disease, Secondary Hyperparathyroidism
Interventions
Contrast Enhanced Ultrasonography
Drug
Lead sponsor
University of Virginia
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated May 21, 2014 · Synced Oct 22, 2026, 11:59 AM EDT
Completed No phase listed Observational

Bicycle Exercise Echocardiography to Assess Physiological Significance of Mitral Annular Calcification

NCT04093973
View directory record Official record
Conditions
Mitral Annulus Calcification
Interventions
bicycle stress echocardiography
Diagnostic Test
Lead sponsor
Albert Einstein Healthcare Network
Other
Eligibility
18 Years and older
Enrollment
40 participants
Timeline
2014 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 24, 2023 · Synced Oct 22, 2026, 11:59 AM EDT
Recruiting Not applicable Interventional

Sonobiopsy for Noninvasive and Sensitive Detection of Glioblastoma

NCT05281731
View directory record Official record
Conditions
Glioblastoma, Glioblastoma Multiforme
Interventions
Sonobiopsy, Research blood, Cancer Personalized Profiling, Definity®
Device · Procedure · Genetic
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2028
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated May 14, 2026 · Synced Oct 22, 2026, 11:59 AM EDT