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ClinicalTrials.gov public records Last synced Oct 17, 2026, 5:03 PM EDT

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Showing 1–24 of 120 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Definity Clear all
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 17, 2026, 5:03 PM EDT
Active, not recruiting Phase 3 Interventional

Prostate Cancer Diagnosis by Multiparametric Ultrasound (Wholemount)

NCT05336786
View directory record Official record
Conditions
Prostate Carcinoma
Interventions
Perflutren Lipid Microspheres, Ultrasound
Drug · Procedure
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older · Male only
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 4, 2025 · Synced Oct 17, 2026, 5:03 PM EDT
Completed Not applicable Interventional Results available

Feasibility of Ultrasound Microbubble Contrast-Enhanced (CEUS) Sentinel Lymph Node Imaging With Guided Biopsy in Breast Cancer Patients

NCT02321527
View directory record Official record
Conditions
Breast Cancer
Interventions
Perflutren Protein-Type A Microspheres Injectable Suspension, Contrast-Enhanced Ultrasound (CEUS), Biopsy + Radioactive Seed Placement, Phone Call
Drug · Device · Procedure + 1 more
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older · Female only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Jun 20, 2017 · Synced Oct 17, 2026, 5:03 PM EDT
Completed Not applicable Interventional Results available

Contrast Enhanced Intraoperative Ultrasound for Detection and Characterization of Renal Mass Undergoing Open Partial Nephrectomy

NCT01894607
View directory record Official record
Conditions
Kidney Cancer
Interventions
Contrast Enhanced Intraoperative Ultrasound, DEFINITY, Phone Call
Procedure · Drug · Behavioral
Lead sponsor
M.D. Anderson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2013
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Oct 17, 2026, 5:03 PM 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 17, 2026, 5:03 PM EDT
Completed Phase 4 Interventional Results available

A Prospective, Phase IV, Surveillance Registry Study to Evaluate the Safety of DEFINITY® in Clinical Practice

NCT00625365
View directory record Official record
Conditions
Cardiovascular Disease
Interventions
DEFINITY®
Drug
Lead sponsor
Lantheus Medical Imaging
Industry
Eligibility
18 Years and older
Enrollment
1,060 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
16
States / cities
San Diego, California • Newark, Delaware • Chicago, Illinois + 12 more
Source: ClinicalTrials.gov public record
Updated Nov 24, 2020 · Synced Oct 17, 2026, 5:03 PM EDT
Completed Phase 4 Interventional Results available

tSCI Contrast Enhanced Ultrasound Study

NCT04056988
View directory record Official record
Conditions
Acute Spinal Cord Injury
Interventions
Perflutren Lipid Microsphere
Drug
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 13, 2026 · Synced Oct 17, 2026, 5:03 PM EDT
Terminated Phase 1Phase 2 Interventional

Transcranial Ultrasound in Clinical SONothrombolysis

NCT00504842
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 15, 2008 · Synced Oct 17, 2026, 5:03 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effects of Nebivolol on Skeletal Muscle During Exercise in Hypertensive Patients

NCT01501929
View directory record Official record
Conditions
Hypertension
Interventions
Metoprolol succinate, Nebivolol, Non-invasive measurement of Cardiac Output (CO), Endothelial cell collection, Microvascular perfusion assessment using Definity
Drug · Procedure
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 65 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Nov 6, 2018 · Synced Oct 17, 2026, 5:03 PM EDT
Completed Phase 3 Interventional Results available

Contrast-enhanced Ultrasound Evaluation of Chemoembolization

NCT02764801
View directory record Official record
Conditions
Hepatocellular Carcinoma, Chemoembolization, Therapeutic
Interventions
Ultrasound contrast agent (Contrast-enhanced ultrasound), Logiq E9 Scanner (Contrast-enhanced ultrasound)
Drug · Device
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Thomas Jefferson University
Other
Eligibility
21 Years and older
Enrollment
131 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
3
States / cities
La Jolla, California • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 6, 2025 · Synced Oct 17, 2026, 5:03 PM 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 17, 2026, 5:03 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

19F MRI to Evaluate Regional Ventilation in Healthy Subjects and Subjects With Cystic Fibrosis

NCT03489590
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
PFP
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
42 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 4, 2019 · Synced Oct 17, 2026, 5:03 PM 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 17, 2026, 5:03 PM 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 17, 2026, 5:03 PM 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 17, 2026, 5:03 PM 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 17, 2026, 5:03 PM EDT
Terminated Early Phase 1 Interventional

Contrast Enhanced Ultrasound in Neurosurgery to Improve Glioma Visualization and Border Demarcation

NCT07050836
View directory record Official record
Conditions
Glioma (Any Grade) in the Brain, Glioma
Interventions
Definity contrast during ultrasound
Combination Product
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 95 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Oct 17, 2026, 5:03 PM EDT
Withdrawn Not applicable Interventional

Intravitreal Gas for Vitreomacular Adhesion

NCT02001701
View directory record Official record
Conditions
Vitreomacular Adhesion
Interventions
Intravitreal Injection of sulfahexafluoride gas
Procedure
Lead sponsor
Northern California Retina Vitreous Associates
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Mountain View, California
Source: ClinicalTrials.gov public record
Updated Feb 2, 2016 · Synced Oct 17, 2026, 5:03 PM 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 17, 2026, 5:03 PM 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 17, 2026, 5:03 PM 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 17, 2026, 5:03 PM 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 17, 2026, 5:03 PM EDT
Terminated Early Phase 1 Interventional

19F MRI of Ventilation in Subjects With Cystic Fibrosis Undergoing Treatment for Pulmonary Exacerbation

NCT03497117
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Lung Clearance Index, MRI with PFP
Device · Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2019
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 9, 2020 · Synced Oct 17, 2026, 5:03 PM EDT
Completed Phase 2 Interventional

Contrast Enhanced Ultrasound for Renal Obstruction

NCT05090800
View directory record Official record
Conditions
Kidney; Obstruction, Renal Obstruction
Interventions
Definity contrast during ultrasound
Drug
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Oct 2, 2025 · Synced Oct 17, 2026, 5:03 PM EDT