The purpose of this study is to evaluate an investigational way to provide radiation therapy to treat early-stage breast cancer at the time of surgery.
This is a prospective single-arm phase II study designed to study the efficacy of high dose rate (HDR) brachytherapy with CT-imaging, single-fraction intraoperative radiation therapy (IORT). The study will accrue patients with early-stage breast cancer who will be treated with breast-conserving surgery (BCS). The main clinical eligibility criterion is based on suitability for accelerated partial breast irradiation. Patients may be eligible prior to receiving BCS or within 30 days of receiving BCS. Eligible patients that will undergo BCS will receive surgery according to the standard clinical practice in the Brachytherapy Suite in the Emily Couric Clinical Cancer Center. Patients that have already undergone BCS must meet all other eligibility criteria and are able to be treated with IORT within 30 days of their breast surgery. Eligible subjects will undergo a lumpectomy or re-excision lumpectomy according the standard clinical practice. Immediately following lumpectomy, the breast HDR brachytherapy applicator will be placed and CT imaging will be performed for treatment planning. After HDR brachytherapy is delivered, the applicator will be removed, and the breast surgeon will complete the skin closure. Although the ultimate goal of the study is to determine 5-year ipsilateral breast tumor recurrence (IBTR), all efforts will be made to follow the patients until death.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
TREATMENT
Masking
NONE
Enrollment
358
This therapy targets the cancer cells directly, reducing the volume of breast tissue exposed to the radiation and the risks involved with the radiation. CT imaging will be used via a multichannel/multi-dwell balloon catheter to better sculpt the cancer away from the heart, skin, and ribs.
Hackensack Meridian Health - John Theurer Cancer Center
Hackensack, New Jersey, United States
Thomas Jefferson University
Philadelphia, Pennsylvania, United States
University of Virginia
Charlottesville, Virginia, United States
Rate of Local Breast Tumor Recurrence
Time frame: Up to 60 Months After Treatment
Rate of Ipsilateral Breast Tumor (Not Local) Recurrence
Time frame: Up to 60 Months After Treatment
Rate of Distant Recurrence of Breast Cancer
Time frame: Up to 60 Months After Treatment
Cancer Specific-Survival and Overall Survival Response Rate
Time frame: Minimum of 60 Months After Treatment
Changes in Reported Patient and Physician Cosmetic Descriptions
Time frame: Up to 60 Months After Treatment
Comparison of Pre-and Post Pathology Stratum
Time frame: Up to 60 Months After Treatment
Changes in Patient-Reported Quality of Life
Time frame: Up to 60 Months After Treatment
Number of Participants with Adverse Events
Safety and toxicity of treatment will be determined with the Common Toxicity Criteria for Adverse Effects.
Time frame: 24 Months After Treatment
Changes of Radiographic Breast Appearance
Time frame: Up to 60 Months After Treatment
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