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ClinicalTrials.gov public records Last synced Oct 22, 2026, 7:05 AM EDT

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Showing 25–48 of 98 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Definity contrast agent Clear all
Completed Early Phase 1 Interventional Results available

Contrast-Enhanced Ultrasound Scan for the Estimation of Tissue Pressure in Patients With Breast Cancer

NCT04721886
View directory record Official record
Conditions
Breast Carcinoma
Interventions
Ultrasonsgraphy, Perflutren Lipid Microcpheres, Contrast - Enhanced Ultrasound
Procedure · Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
21 Years and older · Female only
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 2, 2026 · Synced Oct 22, 2026, 7:05 AM EDT
Completed Phase 2 Interventional Results available

Detection of High Grade Prostate Cancer With Subharmonic Ultrasound Imaging, A Pilot Study

NCT02967458
View directory record Official record
Conditions
Prostatic Neoplasm
Interventions
Perflutren Lipid Microsphere Intravenous Suspension
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older · Male only
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 30, 2025 · Synced Oct 22, 2026, 7:05 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, 7:05 AM EDT
Recruiting Phase 2 Interventional Accepts healthy volunteers

Translation of Acoustic Angiography: Contrast Enhanced Super Resolution (CESR) Imaging

NCT07225114
View directory record Official record
Conditions
Breast Cancer, Kidney Neoplasms, Liver Neoplasms
Interventions
contrast agent perflutren lipid, Ultrasound Imaging
Drug · Device
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Oct 22, 2026, 7:05 AM EDT
Completed Phase 4 Interventional Results available

A Prospective Surveillance Trial to Evaluate the Safety of Optison in Clinical Practice.

NCT00730964
View directory record Official record
Conditions
Echocardiography
Interventions
Perflutren Protein-Type A Microspheres Injectable Suspension, United States Pharmacopeia (USP)
Drug
Lead sponsor
GE Healthcare
Industry
Eligibility
18 Years and older
Enrollment
1,039 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
1
States / cities
Princeton, New Jersey
Source: ClinicalTrials.gov public record
Updated Jun 12, 2012 · Synced Oct 22, 2026, 7:05 AM EDT
Recruiting Early Phase 1 Interventional

Application of Contrast-enhanced Ultrasound in Monitoring Soft Tissue Sarcoma Response to Neoadjuvant Radiotherapy

NCT07436364
View directory record Official record
Conditions
Soft Tissue Sarcoma
Interventions
Definity, Contrast-Enhanced Ultrasound
Drug · Diagnostic Test
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Oct 22, 2026, 7:05 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, 7:05 AM EDT
Completed No phase listed Observational

Cystic Breast Masses by Contrast Enhanced Ultrasound (CEUS)

NCT02887937
View directory record Official record
Conditions
Breast Cancer
Interventions
Definity
Drug
Lead sponsor
University of Southern California
Other
Eligibility
18 Years to 55 Years · Female only
Enrollment
135 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated May 15, 2018 · Synced Oct 22, 2026, 7:05 AM EDT
Recruiting No phase listed Observational

Evaluation of Intraoperative Contrast Enhanced Ultrasound for the Identification of Pituitary Adenoma in Cushing's Disease Compared to Other Pituitary Tumors

NCT07335315
View directory record Official record
Conditions
Pituitary Adenoma, Cushing Disease
Interventions
Contrast enhanced pituitary magnetic resonance imaging (MRI), Contrast enhanced ultrasound, Non-Contrast Ultrasound
Diagnostic Test
Lead sponsor
Mayo Clinic
Other
Eligibility
Not listed
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 13, 2026 · Synced Oct 22, 2026, 7:05 AM EDT
Terminated Not applicable Interventional

Non-invasive Imaging of GI Inflammation Using Microbubble Contrast Enhanced Ultrasonography

NCT00591669
View directory record Official record
Conditions
Inflammatory Bowel Disease
Interventions
Definity
Other
Lead sponsor
University of Virginia
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Apr 26, 2011 · Synced Oct 22, 2026, 7:05 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, 7:05 AM EDT
Completed No phase listed Observational Results available

Evaluation of Contrast-Enhanced Ultrasound to Detect Endoleaks After Endovascular Aortic Aneurysm Repair

NCT01005212
View directory record Official record
Conditions
Endoleaks
Interventions
Definity
Drug
Lead sponsor
E. Peden, MD
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2010
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 12, 2024 · Synced Oct 22, 2026, 7:05 AM EDT
Completed Phase 1 Interventional Results available

Regadenoson R-T Perfusion Imaging Trial

NCT00837369
View directory record Official record
Conditions
Coronary Artery Disease, Myocardial Perfusion Abnormalities
Interventions
Regadenoson
Drug
Lead sponsor
University of Nebraska
Other
Eligibility
30 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
2
States / cities
Rochester, Minnesota • Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Dec 27, 2024 · Synced Oct 22, 2026, 7:05 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, 7:05 AM EDT
Completed Phase 4 Interventional Results available

Academic-Industrial Partnership for Translation of Acoustic Angiography

NCT03544268
View directory record Official record
Conditions
Signs and Symptoms
Interventions
Acoustic Angiography, Definity
Device · Drug
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 1, 2022 · Synced Oct 22, 2026, 7:05 AM EDT
Withdrawn Phase 4 Interventional Accepts healthy volunteers

Neural Mechanism of Aldosterone-induced Insulin Resistance

NCT02102243
View directory record Official record
Conditions
Hypertension
Interventions
DEFINITY® infusion, Human Recombinant Regular Insulin infusion, Dextrose infusion, Flow mediated vasodilation, Endothelial cell collection, Microvascular perfusion assessment using Definity, Microneurography
Drug · Procedure
Lead sponsor
Wanpen Vongpatanasin
Other
Eligibility
18 Years to 75 Years
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2025
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Mar 15, 2023 · Synced Oct 22, 2026, 7:05 AM EDT
Recruiting No phase listed Observational

Quantitation and Spatial Registration of Airways Dysfunction With Dynamic 19F MRI in Cystic Fibrosis

NCT06057714
View directory record Official record
Conditions
Cystic Fibrosis, Ventilatory Defect
Interventions
19F MRI
Combination Product
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 22, 2026, 7:05 AM EDT
Completed Phase 4 Interventional Results available

Study to Determine Safety and Dosage of OPTISON in Pediatric Participants

NCT03740997
View directory record Official record
Conditions
Transthoracic Echocardiography, Suspected or Known Structural or Functional Cardiac Abnormality
Interventions
Optison
Drug
Lead sponsor
GE Healthcare
Industry
Eligibility
9 Years to 17 Years
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
8
States / cities
Phoenix, Arizona • Los Angeles, California • Augusta, Georgia + 5 more
Source: ClinicalTrials.gov public record
Updated May 17, 2024 · Synced Oct 22, 2026, 7:05 AM EDT
Completed Phase 2 Interventional

Noninvasive, Subharmonic Intra-Cardiac Pressure Measurement

NCT03243942
View directory record Official record
Conditions
Cardiac Catheterization, Blood Pressure, Heart Ventricles, Echocardiography, Heart Failure
Interventions
Definity
Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
21 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2019
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 10, 2019 · Synced Oct 22, 2026, 7:05 AM EDT
Completed Phase 1 Interventional

Contrast-Enhanced Ultrasound and Shear Wave Elastography for the Treatment of Lymphedema

NCT05613946
View directory record Official record
Conditions
Lymphedema Arm
Interventions
Lumason, Optison, Definity
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older · Female only
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 21, 2024 · Synced Oct 22, 2026, 7:05 AM EDT
Completed Not applicable Interventional Results available

Comparison of the Sensitivity and Specificity of Acoustic Angiography to the Sensitivity and Specificity of Conventional Ultrasound

NCT02175628
View directory record Official record
Conditions
Signs and Symptoms
Interventions
Acoustic Angiography
Device
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Aug 5, 2019 · Synced Oct 22, 2026, 7:05 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, 7:05 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

19F MRI in Healthy Children and Children With Mild Cystic Fibrosis Lung Disease

NCT06066723
View directory record Official record
Conditions
Cystic Fibrosis in Children
Interventions
19F MRI
Combination Product
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
6 Years to 17 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 22, 2026, 7:05 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Effects of Hyperglycemia on Myocardial Perfusion in Humans With and Without Type 2 Diabetes

NCT01021865
View directory record Official record
Conditions
Coronary Artery Disease, Diabetes Mellitus Type 2
Interventions
Glucagon-Like-Peptide-1/Regadenoson/Perflutren Lipid Microsphere
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
40 Years to 60 Years
Enrollment
33 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2014
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jul 7, 2015 · Synced Oct 22, 2026, 7:05 AM EDT