- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT01189851
Intraoperative Radiotherapy for Early Stage Breast Cancer (IORT)
August 1, 2022 updated by: Hoag Memorial Hospital Presbyterian
Intraoperative Radiotherapy (IORT) for the Management of Carcinoma of the Breast: Use of Mammography, Ultrasonography,and Contrast-Enhanced Magnetic Resonance Imaging (CE-MRI) to Identify Candidates for IORT
Up to 200 patients with biopsy proven early stage breast cancer selecting Wide Local Excision (WLE) will undergo mammography, ultrasound (of affected breast and ipsilateral axilla) and contrast enhanced-magnetic resonance imaging (CE-MRI) of the affected breast to evaluate the extent of disease.
Study Overview
Status
Active, not recruiting
Conditions
Intervention / Treatment
Detailed Description
Patients will be deemed eligible for immediate IORT if the invasive cancer lesion is estimated to measure ≤ 3.0 centimeters maximum dimension by mammogram, ultrasound, and CE-MRI and is thought to be resectable with WLE and clear surgical margins, with clinically staged N0M0 disease, minimum age of 48, and histology of invasive ductal or lobular carcinoma of the breast.
The lesion size determined by imaging will be compared with lesion size and surgical margin status obtained from the surgical pathology specimen to evaluate the ability of mammography combined with ultrasound and CE-MRI to identify suitable candidates for immediate IORT.
Study Type
Interventional
Enrollment (Anticipated)
200
Phase
- Not Applicable
Contacts and Locations
This section provides the contact details for those conducting the study, and information on where this study is being conducted.
Study Locations
-
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California
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Newport Beach, California, United States, 92658
- Hoag Memorial Hospital Presbyterian - Cancer Center
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-
Participation Criteria
Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.
Eligibility Criteria
Ages Eligible for Study
48 years and older (Adult, Older Adult)
Accepts Healthy Volunteers
No
Genders Eligible for Study
Female
Description
Inclusion Criteria:
- Informed Consent. Each eligible patient must willingly give written consent after being informed of the procedures to be followed, the experimental nature of the therapy, alternatives, potential benefits, side effects, risks, and discomforts.
- Histology. Patients must have biopsy-proven invasive ductal or lobular carcinoma of the breast.
- Female, age ≥ 48 years.
- Clinically and/or histologically negative axillary lymph nodes.
- No imaging or clinical findings that indicate metastatic disease.
- Procedure deemed appropriate based upon factors such as breast size by the treating surgeon and radiation oncologist.
Exclusion Criteria:
- Male sex
- Age < 48
- Non-epithelial breast malignancies such as sarcoma, lymphoma, or metastatic breast cancer
- Pregnancy or lactation
- Serious psychiatric or addictive disorders
- More than one obvious cancer in the same breast as diagnosed by clinical examination, mammography, ultrasonography, and/or CE-MRI.
- Bilateral breast cancer at the time of diagnosis, unless agreed upon by the surgeon and radiation oncologist.
- Ipsilateral breast with a previous cancer and/or irradiation.
- Extensive Intraductal Component (DCIS ≥ 25% of the tumor).
- Patients presenting with gross nodal disease considered to be clinically malignant by scanning or proven cytologically or by sentinel node biopsy will be cancelled.
- Previous history of malignant disease does not preclude entry if the expectation of relapse-free survival at 10 years is 90% or greater.
- Lymphovascular invasion on needle biopsy.
- Patients undergoing primary medical treatment (hormones or chemotherapy) as initial treatment with intent to reduce tumor size.
Study Plan
This section provides details of the study plan, including how the study is designed and what the study is measuring.
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: IORT
Treated with Intraoperative Radiation Therapy
|
The Axxent eBx™ System utilizes a miniaturized high dose rate (HDR) X-ray source to apply radiation directly to the cancerous tumor bed and provides brachytherapy when the physician chooses to deliver intracavitary or interstitial radiation to the surgical margins following lumpectomy for breast cancer.
Other Names:
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Proportion of Participants Receiving Additional Surgery Because of Positive or Close Margins as a Measure of the Accuracy of Pre-Operative Assessment
Time Frame: 10 years
|
Invasive cancer margins <1 mm and/or non-invasive cancer margins < 2 mm are considered close or positive.
Approximately 15% of patients treated with IORT have close or positive margins on pathologic assessment following IORT therapy and are recommended for additional therapy including re-excision, whole breast radiation or both.
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10 years
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Proportion of Participants Recommended to Have Additional Whole Breast Radiation Therapy (WBRT) Because of High Risk Features Found on Final Pathology as a Measure of the Accuracy of Pre-Operative Assessment
Time Frame: 5 years
|
Patients treated with IORT that have high risk features on final pathologic exam, including close/positive margins, tumor size >30 mm, positive lymph nodes and lympho-vascular invasion (LVI) are recommended for additional therapy including re-excision, whole breast radiation or both.
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5 years
|
Proportion of Participants with Tumor Size Larger than the Entry Criteria Size and/or Positive Lymph Nodes as a Measure of the Accuracy of Pre-Operative Assessment
Time Frame: 5 years
|
Both tumor size and lymph node status are estimated prior to surgery using mammography, ultrasound and MRI (unless excluded for medical reasons).
Patients with estimated tumor spans > 30 mm or positive lymph nodes are excluded from IORT.
|
5 years
|
Proportion of Participants with Serious Adverse Events and/or Complications as a Measure of the Safety of the Treatment Algorithm
Time Frame: 5 years
|
We will be monitoring acute side effects attributed directly to IORT.
These includ erythemia, hyperpigmentation, fibrosis, seromas, infection and wound breakdown.
|
5 years
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Cosmesis Scores by Physician and Self-Assessment
Time Frame: 5 years
|
The first 213 IORT patients treated will be asked to fill out a yearly cosmesis assessment.
Patients filled out these assessments for an average of 2-3 years.
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5 years
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Progression Free Survival in the First Five Years
Time Frame: 5 years
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We will follow progression free survival for 5 years
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5 years
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Collaborators and Investigators
This is where you will find people and organizations involved with this study.
Investigators
- Principal Investigator: Peter V Chen, MD, Hoag Memorial Hospital Presbyterian
Study record dates
These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.
Study Major Dates
Study Start (Actual)
June 1, 2010
Primary Completion (Anticipated)
September 1, 2023
Study Completion (Anticipated)
December 1, 2023
Study Registration Dates
First Submitted
June 21, 2010
First Submitted That Met QC Criteria
August 25, 2010
First Posted (Estimate)
August 27, 2010
Study Record Updates
Last Update Posted (Actual)
August 3, 2022
Last Update Submitted That Met QC Criteria
August 1, 2022
Last Verified
August 1, 2022
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- IORT (Other Identifier: Atrium Health Navicent)
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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