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About
This phase II/III trial studies if contrast-enhanced ultrasounds using a contrast dye, perflutren lipid microspheres (Definity), can predict the response to chemotherapy by estimating the pressure in the cancer in patients with breast cancer that has spread to nearby tissues and lymph nodes (locally advanced). The efficacy of cancer therapy is affected by the pressure in the cancer. Definity is a contrast dye used to create better images during ultrasounds. The purpose of this trial is to determine if a special kind of ultrasound, called contrast-enhanced ultrasound, an experimental imaging test, can detect pressures in cancer to determine the response to neoadjuvant chemotherapy in patients with breast cancer.
Full description
PRIMARY OBJECTIVE:
I. To apply and evaluate a novel biomarker from 3-dimensional subharmonic aided pressure estimation (3D SHAPE) to predict neoadjuvant chemotherapy (NAC) response in patients with breast cancer.
SECONDARY OBJECTIVE:
I. To assess whether the accuracy of 3D SHAPE for predicting locally advanced breast cancer (LABC) NAC response varies with breast cancer subtype.
OUTLINE:
Patients undergo contrast-enhanced ultrasound (CEUS) and receive perflutren lipid microspheres intravenously (IV) over 10-15 minutes before NAC, after 10% of NAC, and after 30% of NAC. Patients also undergo unenhanced baseline ultrasound imaging before NAC, after 10% of NAC, after 30% of NAC, and after 100% of NAC.
After completion of study, patients are followed up at the completion of NAC.
Enrollment
Sex
Ages
Volunteers
Inclusion criteria
Exclusion criteria
Males
Females who are pregnant or nursing
Patients with other primary cancers requiring systemic treatment
Patients with any distal metastatic disease
Patients undergoing neoadjuvant endocrine therapy
Patients who are medically unstable, patients who are seriously or terminally ill, and patients whose clinical course is unpredictable. For example:
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
Primary purpose
Allocation
Interventional model
Masking
200 participants in 1 patient group
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Central trial contact
Kibo Nam, MD
Data sourced from clinicaltrials.gov
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