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

Summary

This clinical trial studies the use of contrast-enhanced ultrasound (CEUS) in estimating tissue pressure in patients with breast cancer. Diagnostic procedures, such as CEUS, may help estimate tissue pressure noninvasively.

Eligibility

Inclusion Criteria:

* Provide signed and dated informed consent form
* Be conscious, willing and able to comply with all study procedures and be available for the duration of the study
* At least 21 years old
* Be scheduled for a breast biopsy (Breast Imaging Reporting and Data System \[BIRAD\] 4, 4A, 4B, 4C or 5)
* Patient with an at least 1 cm mass located at \< 3 cm depth, approachable by 2.5 inch needle
* Be medically stable as determined by the investigator
* If a female of child-bearing potential, must have a negative urine pregnancy test within 24 hours prior to administration of Definity

Exclusion Criteria:

* Females who are pregnant or nursing
* Patients who are medically unstable, patients who are seriously or terminally ill, and patients whose clinical course is unpredictable. For example:
* Patients on life support or in a critical care unit
* Patients with unstable occlusive disease (e.g., crescendo angina)
* Patients with clinically unstable cardiac arrhythmias, such as recurrent ventricular tachycardia
* Patients with uncontrolled congestive heart failure (New York Heart Association \[NYHA\] class IV)
* Patients with recent cerebral hemorrhage
* Patients who have undergone surgery within 24 hours prior to the study sonographic examination
* Patients with known hypersensitivity or allergy to any component of Definity
* Patients with unstable cardiopulmonary conditions or respiratory distress syndrome
* Patients with uncontrollable emphysema, pulmonary vasculitis, pulmonary hypertension or a history of pulmonary emboli

Conditions3

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