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Showing 1–24 of 118 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: perflutren Clear all
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 6, 2008 · Synced Sep 12, 2026, 7:34 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 10, 2018 · Synced Sep 12, 2026, 7:34 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 – 2026
U.S. locations
2
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced Sep 12, 2026, 7:34 AM EDT
Completed Phase 2 Interventional Results available

Perflutren Protein-Type A Microspheres and Contrast-Enhanced Ultrasound in Improving Response to Radioembolization Therapy in Patients With Liver Cancer

NCT03199274
View directory record Official record
Conditions
Hepatocellular Carcinoma
Interventions
Yttrium-90 Microsphere Radioembolization, Perflutren Protein-Type A Microspheres, Dynamic Contrast-Enhanced Ultrasound Imaging
Procedure · Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2025
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 1, 2026 · Synced Sep 12, 2026, 7:34 AM 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 8, 2020 · Synced Sep 12, 2026, 7:34 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 10, 2017 · Synced Sep 12, 2026, 7:34 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 20, 2024 · Synced Sep 12, 2026, 7:34 AM EDT
Not yet recruiting Phase 3 Interventional

Multiparametric Ultrasound for the Diagnosis of Clinically Significant Prostate Cancer

NCT06024772
View directory record Official record
Conditions
Prostate Carcinoma
Interventions
ultiparametric Magnetic Resonance Imaging, Perflutren lipid microsphere, Transrectal Ultrasound, Biopsy of Prostate
Procedure · Drug
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older · Male only
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 12, 2026, 7:34 AM EDT
Completed Phase 2 Interventional Results available

Contrast-Enhanced Ultrasound for Kidney Cancer Subtyping and Staging

NCT04021238
View directory record Official record
Conditions
Kidney Cancer
Interventions
Perflutren lipid microsphere, Sulfur hexafluoride lipid microspheres
Drug
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years to 99 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 12, 2023 · Synced Sep 12, 2026, 7:34 AM EDT
Recruiting Phase 1 Interventional

Medical Imaging and Focused Ultrasound Treatment for Breast Tumors Using Harmonic Motion Imaging (HMI)

NCT05219695
View directory record Official record
Conditions
Fibroadenoma, Breast Cancer Stage I
Interventions
Harmonic motion imaging guided focused ultrasound (HMIgFUS), Microbubble-mediated Low Intensity Focused Ultrasound (LIFU), Microbubbles
Procedure · Drug
Lead sponsor
Columbia University
Other
Eligibility
18 Years and older · Female only
Enrollment
82 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2031
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 12, 2026, 7:34 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 30, 2012 · Synced Sep 12, 2026, 7:34 AM EDT
Recruiting Phase 1 Interventional

Pembrolizumab Plus Ultrasound-Induced Microbubble Cavitation in Head and Neck Cancer

NCT07501650
View directory record Official record
Conditions
Head and Neck Cancer, Head and Neck Small Cell Carcinoma, Metastatic Head and Neck Cancer, Recurrent Head and Neck Cancer
Interventions
Pembrolizumab, Definity, Ultrasound-Induced Microbubble Cavitation
Drug · Device
Lead sponsor
Thomas Jefferson University
Other
Eligibility
18 Years and older
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Mar 29, 2026 · Synced Sep 12, 2026, 7:34 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 11, 2017 · Synced Sep 12, 2026, 7:34 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 11, 2012 · Synced Sep 12, 2026, 7:34 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 25, 2014 · Synced Sep 12, 2026, 7:34 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

The Impact of Fitness on Vascular Dysfunction in Adolescents With Type 1 Diabetes

NCT01337947
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
Definity microbubbles
Drug
Lead sponsor
University of Virginia
Other
Eligibility
12 Years to 18 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Charlottesville, Virginia
Source: ClinicalTrials.gov public record
Updated Sep 28, 2014 · Synced Sep 12, 2026, 7:34 AM EDT
Completed Phase 3 Interventional Results available

DEF-315 Better Accuracy in Ejection Fraction (EF) Assessment With DEFINITY

NCT03719612
View directory record Official record
Conditions
Cardiac Disease
Interventions
DEFINITY®
Drug
Lead sponsor
Lantheus Medical Imaging
Industry
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
15
States / cities
Tucson, Arizona • Los Angeles, California • Orange, California + 12 more
Source: ClinicalTrials.gov public record
Updated Jan 27, 2021 · Synced Sep 12, 2026, 7:34 AM EDT
Completed Phase 3 Interventional Results available

Effects of Pneumatic Vitreolysis on Vitreomacular Traction

NCT03647267
View directory record Official record
Conditions
Vitreomacular Traction
Interventions
Pneumatic Vitreolysis (C3F8 injection), Observation
Device · Other
Lead sponsor
Jaeb Center for Health Research
Other
Eligibility
18 Years and older
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
41
States / cities
Campbell, California • Huntington Beach, California • Mountain View, California + 37 more
Source: ClinicalTrials.gov public record
Updated Sep 20, 2022 · Synced Sep 12, 2026, 7:34 AM EDT
Completed Phase 4 Interventional Results available

Real Time Myocardial Perfusion Echocardiography for Coronary Allograft Vasculopathy

NCT02880137
View directory record Official record
Conditions
Cardiac Allograft Vasculopathy
Interventions
Perflutren Lipid Microsphere, RTMPE
Drug · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
1 Year and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jun 19, 2019 · Synced Sep 12, 2026, 7:34 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

An Ascending Dose Comparison of MVT-100 to Definity in Healthy Volunteers

NCT03882359
View directory record Official record
Conditions
Heart Diseases
Interventions
Echocardiogram, MVT-100, Definity
Diagnostic Test · Drug
Lead sponsor
Microvascular Therapeutics, LLC
Industry
Eligibility
19 Years and older
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
2
States / cities
Kansas City, Missouri • Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated May 8, 2025 · Synced Sep 12, 2026, 7:34 AM EDT
Not listed No phase listed Observational

Therapeutic Use of Contrast Ultrasound in Acute Coronary Artery Disease

NCT04732091
View directory record Official record
Conditions
Acute Myocardial Infarction, Unstable Angina
Interventions
Therapeutic ultrasound with 20 usec
Procedure
Lead sponsor
University of Sao Paulo General Hospital
Other
Eligibility
30 Years and older
Enrollment
540 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2026
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Oct 9, 2023 · Synced Sep 12, 2026, 7:34 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 25, 2019 · Synced Sep 12, 2026, 7:34 AM EDT
Completed Early Phase 1 Interventional

Open-label Pilot Evaluating Renal Lesions w/ Contrast-enhaced US in Patients w/ Renal Cancer

NCT01751529
View directory record Official record
Conditions
Kidney Cancer
Interventions
Contrast-enhanced Ultrasound, Perflutren lipid
Procedure · Drug
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Other
Eligibility
18 Years and older
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 16, 2017 · Synced Sep 12, 2026, 7:34 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 10, 2017 · Synced Sep 12, 2026, 7:34 AM EDT