Breast Cancer Clinical Trial
Quadrant High Dose Rate Intraoperative Radiation Therapy (IORT) for Early-Stage Breast Cancer: A Pilot Study
Summary
This study was started to validate the possibility of administering radiation therapy during surgery to the tissue surrounding the tumor once the tumor has been removed. This surrounding breast tissue is at greater risk for developing breast recurrences. This treatment may be as effective as the conventional 5-6week radiation treatment in reducing the risk of further local recurrences after breast-conserving surgery.
Through this study, we would like to confirm that this procedure is a safe alternative to conventional breast radiation, with no additional side effects when compared with the conventional surgery and radiation therapy.
Full Description
This pilot trial will evaluate the feasibility of intra operative radiation therapy (IORT) given in one fraction at the time of wide local excision as the only adjuvant radiation treatment in a group of patients with early-stage invasive breast cancer.
This study will enroll 60 women, older than 60 years of age, with breast cancer not more than 2 cm in size and without evident additional tumoral foci around the tumor or in other areas of the breast. An MSK radiologist will review your mammography to be sure you qualify for this study. You may be asked to undergo additional mammography or other examinations, such as breast ultrasound in order to verify that the tumor is located in a single quadrant of the breast. Some of these procedures are routinely performed in all candidates for conservative breast surgery.
Eligibility Criteria
Inclusion Criteria:
Core biopsy or prior open biopsy to establish the diagnosis.
Over age 60.
No physical or imaging evidence of multicentricity or multifocality.
Size equal or less than 2.0 cm radiographically, clinically node negative.
Patients scheduled for breast conserving surgery
Exclusion Criteria:
Patients younger than 61 years
Patients with evidence of multicentric or multifocal disease seen on imaging (mammography )
Patients with a lesion exceeding 2 cm radiographically
Paget's disease or pure DCIS without invasive ductal carcinoma
Histotype not inclusive of ductal carcinoma
Condition precluding radiation therapy
Condition precluding regular follow-up
Evident dimpling of the skin above the tumor
Usual contraindications for BCS
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There is 1 Location for this study
New York New York, 10065, United States
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