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RecruitingNCT07225114Updated Jun 8, 2026

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

A Phase 2 interventional study of contrast agent perflutren lipid and Ultrasound Imaging in Breast Cancer, Kidney Neoplasms and Liver Neoplasms, sponsored by UNC Lineberger Comprehensive Cancer Center. Recruiting at 1 site in United States. Open to participants aged 18 Years and older, including healthy volunteers. Per ClinicalTrials.gov, last updated 2026-06-08.

Sponsored by UNC Lineberger Comprehensive Cancer Center · Phase 2, Interventional, and Diagnostic

From the registry’s dates

  • Started Nov 2025; still recruiting 11 months later.
Phase
Phase 2
Study type
Interventional
Enrollment
40
Allocation
Non-randomized
Ages
18 Years and older
Sex
All
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Study summary

This is a 4-arm, single-center study involving 40 participants. Ten healthy volunteers will be enrolled for system imaging optimization, and thirty (30) patients with previously identified lesions in the breast, liver, or kidney-based on prior ultrasound or cross-sectional imaging-will be imaged. Recruitment will be conducted such that ten patients are included from each anatomic region.

The fourth arm will consist of 10 healthy volunteers who will be imaged to allow optimization of imaging parameters. Optimization is is required again due to the use of a different ultrasound system employing a new imaging technique. Parameters such as frame rate, power, depth of imaging, and linear translation rate will be adjusted during this process.

The primary objectives of the study are to assess the sensitivity and specificity of Contrast Enhanced Super-Resolution (CESR) imaging in evaluating known lesions in the breast, liver, and kidney. These results will be compared with pathological findings. The secondary objectives are to compare the sensitivity and specificity of CESR imaging with those of traditional B-mode ultrasound in differentiating malignant from benign lesions in these same organs.

02

Conditions studied

  • Breast Cancer
  • Kidney Neoplasms
  • Liver Neoplasms

Keywords

  • Definity®
  • perflutren lipid
  • healthy volunteers
  • ultrasound
  • cross-sectional imaging
03

In context

Breast Neoplasms

12,544 studies on the registry are indexed under Breast Neoplasms; 2,892 are open to participants now.

This study's planned enrollment of 40 is below the median of 72 across 9,303 interventional studies indexed under Breast Neoplasms.

Browse Breast Neoplasms studies →

Lead sponsor

UNC Lineberger Comprehensive Cancer Center is the lead sponsor of 414 studies on the registry; 96 are open to participants now.

Of its 32 completed or terminated interventional studies of FDA-regulated products, 25 (78%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
18 Years and older
Sexes eligible
All
Accepts healthy volunteers
Yes

Inclusion criteria

  • Adults ≥18 years old
  • Patient had a diagnostic ultrasound study performed at University of North Carolina
  • Scheduled for a biopsy
  • Lesion visualized on ultrasound
  • Able to provide informed consent
  • Negative urine pregnancy test in women of child-bearing potential

Exclusion criteria

Exclusion Criteria:

  • Institutionalized subject (prisoner or nursing home patient)
  • Critically ill or medically unstable and whose critical course during the observation period would be unpredictable (e.g., chronic obstructive pulmonary disease (COPD)
  • Known hypersensitivity to sulfur hexafluoride or to any component of perflutren lipid (Definity®)
  • Active cardiac disease including any of the following
  • Severe congestive heart failure (class IV in accordance with the classification of the New York Heart Association)
  • Unstable angina.
  • Severe arrhythmia (i.e., ventricular tachycardia, flutter fibrillation; ventricular premature complexes occurring close to the preceding T-wave, multifocal complexes).
  • Myocardial infarction within 14 days prior to the date of proposed Definity® administration.
  • Pulmonary hypertension
  • Cardiac shunts
05

Study design

Phase
Phase 2
Primary purpose
Diagnostic
Allocation
Non-randomized
Intervention model
Parallel assignment
Masking
None (open label)
Enrollment
40 participants (estimated)

Study arms

  • Experimental
    Arm 1: Healthy Volunteers

    Participants without any disease diagnosis.

    Drug: contrast agent perflutren lipid · Device: Ultrasound Imaging

  • Experimental
    Arm 2: Breast Imaging Patients

    Participants are going to be assessed breast cancer.

    Drug: contrast agent perflutren lipid · Device: Ultrasound Imaging

  • Experimental
    Arm 3: Kidney Imaging Patients

    Participants are going to be assessed kidney cancer.

    Drug: contrast agent perflutren lipid · Device: Ultrasound Imaging

  • Experimental
    Arm 4: Liver Imaging Patients

    Participants are going to be assessed liver cancer.

    Drug: contrast agent perflutren lipid · Device: Ultrasound Imaging

Interventions

  • Drugcontrast agent perflutren lipid

    At the time of imaging, the contrast agent perflutren lipid will be administered, intravenous (IV). All patients will be visually monitored for signs or symptoms of a contrast administration reaction once the drug is administered for a 15-minute period.

  • DeviceUltrasound Imaging

    Contrast Enhanced Super Resolution (CESR) imaging involves a research ultrasound scanner as well as conventional b-mode ultrasound to guide the location of the imaging. The conventional ultrasound will be conducted just prior to CESR imaging for localization.

    Also known as: Contrast Enhanced Super Resolution (CESR)

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What researchers measure

Primary outcomes

  1. Sensitivity of Contrast Enhanced Super-Resolution (CESR) breast imaging

    Sensitivity of Contrast Enhanced Super-Resolution (CESR) breast imaging will be evaluated by comparing image analyses to the pathological results for these lesions. Sensitivity will be defined as the proportion of lesions detected by CESR to be positive among lesions confirmed as positive by pathological results.

    Time frame: Biopsy date (Up to 2 months)

  2. Specificity of Contrast Enhanced Super-Resolution (CESR) breast imaging

    Specificity of Contrast Enhanced Super-Resolution (CESR) breast imaging will be evaluated by comparing image analyses to the pathological results for these lesions. Specificity will be defined as the proportion of lesions detected by CESR to be negative among lesions confirmed as negative by pathological results.

    Time frame: Biopsy date (Up to 2 months)

  3. Sensitivity of Contrast Enhanced Super-Resolution (CESR) kidney imaging

    Sensitivity of Contrast Enhanced Super-Resolution (CESR) kidney imaging will be evaluated by comparing image analyses to the pathological results for these lesions. Sensitivity will be defined as the proportion of lesions detected by CESR to be positive among lesions confirmed as positive by pathological results.

    Time frame: Biopsy date (Up to 2 months)

  4. Specificity of Contrast Enhanced Super-Resolution (CESR) kidney imaging

    Specificity of Contrast Enhanced Super-Resolution (CESR) kidney imaging will be evaluated by comparing image analyses to the pathological results for these lesions. Specificity will be defined as the proportion of lesions detected by CESR to be negative among lesions confirmed as negative by pathological results.

    Time frame: Biopsy date (Up to 2 months)

  5. Sensitivity of Contrast Enhanced Super-Resolution (CESR) liver imaging

    Sensitivity of Contrast Enhanced Super-Resolution (CESR) liver imaging will be evaluated by comparing image analyses to the pathological results for these lesions. Sensitivity will be defined as the proportion of lesions detected by CESR to be positive among lesions confirmed as positive by pathological results.

    Time frame: Biopsy date (Up to 2 months)

  6. Specificity of Contrast Enhanced Super-Resolution (CESR) liver imaging

    Specificity of Contrast Enhanced Super-Resolution (CESR) liver imaging will be evaluated by comparing image analyses to the pathological results for these lesions. Specificity will be defined as the proportion of lesions detected by CESR to be negative among lesions confirmed as negative by pathological results.

    Time frame: Biopsy date (Up to 2 months)

Secondary outcomes

  1. Comparison of Contrast Enhanced Super-Resolution (CESR) imaging with traditional b-mode ultrasound- breast

    The sensitivity and specificity of CESR imaging with traditional b-mode ultrasound will be compared in the distinction of malignant versus benign breast lesions.

    Time frame: Biopsy date (Up to 2 months)

  2. Comparison of Contrast Enhanced Super-Resolution (CESR) imaging with traditional b-mode ultrasound- kidney

    The sensitivity and specificity of CESR imaging with traditional b-mode ultrasound will be compared in the distinction of malignant versus benign kidney lesions.

    Time frame: Biopsy date (Up to 2 months)

  3. Comparison of Contrast Enhanced Super-Resolution (CESR) imaging with traditional b-mode ultrasound- liver

    The sensitivity and specificity of CESR imaging with traditional b-mode ultrasound will be compared in the distinction of malignant versus benign liver lesions.

    Time frame: Biopsy date (Up to 2 months)

07

Study locations

1 of 1 sites recruiting
  • The University of North Carolina
    Chapel Hill, North Carolina 27599, United States
    Recruiting
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References and documents

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Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jun 8, 2026, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT07225114
Lead sponsor
UNC Lineberger Comprehensive Cancer Center
Collaborators
National Cancer Institute (NCI)
Responsible party
Sponsor
First posted
Nov 5, 2025
Start date
Nov 4, 2025
Primary completion
Dec 2028 (estimated)
Completion
Dec 2028 (estimated)
Last update
Jun 8, 2026

Study contacts

Desma Jones
Contact
desma_jones@med.unc.edu
(919) 843-9463
Markeela Lipscomb
Contact
markeela_lipscomb@med.unc.edu
(919) 843-3670
Yueh Lee, MD
principal investigator · UNC Lineberger Comprehensive Cancer Center

Oversight

Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
Yes
View the source record on ClinicalTrials.gov ↗

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