Invasive Breast Carcinoma Clinical Trial
Official title:
Volumetric Lumpectomy Specimen Image Visualization for Intraoperatively Directing Cavity Shaves, a Phase II Study (VIVID)
This clinical trial assesses if the use of a three-dimensional imaging device called the Clarix Imaging Volumetric Specimen Imager (VSI) can help guide and assist surgeons in identifying and removing all positive margins while in the operating room (intraoperative imaging) for patients with breast cancer and breast ductal carcinoma in situ. Breast conservation surgery or lumpectomy is a standard of care (routine) procedure that removes the tumor and a rim of surrounding normal tissue (margins) while leaving as much normal breast tissue as possible. A margin that does not contain tumor cells is called a negative margin and tells the surgeon that the primary tumor has been removed. A positive margin contains tumor cells at or near the edge of the tissue removed. As part of standard of care, surgeons take two-dimensional x-ray images of the tissue that has been removed in the operating room to assess if there is any additional tissue that should be shaved (removed) to get a negative margin. After the surgery is over, the tissue is examined once again by a pathologist in a laboratory to determine if there are any small pieces of tumor left in the margin that were not visible during surgery. If residual tumor is detected in the margin, a reoperation may be required to remove additional tissue until the tumor has been completely removed from the margin. Diagnostic procedures, such as intraoperative volumetric specimen imaging may reduce the rate of reoperation of for patients who previously underwent lumpectomy.
Status | Recruiting |
Enrollment | 120 |
Est. completion date | July 1, 2024 |
Est. primary completion date | July 1, 2024 |
Accepts healthy volunteers | No |
Gender | Female |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: - Women with invasive breast cancer and/or ductal carcinoma in situ (DCIS) who will be undergoing breast conservation surgery, consisting of a lumpectomy or partial mastectomy procedure - Patients must be planning and able to undergo breast conservation surgery with planned localization (any localization device is eligible) and intraoperative imaging for the management of invasive breast cancer and/or DCIS. - Patients must have histologically confirmed invasive breast cancer, ductal carcinoma in situ (DCIS), or invasive breast cancer with a DCIS component. - The invasive breast cancer and/or DCIS lesion must have been visualized on mammography/ digital breast tomosynthesis (DBT), ultrasound (US), or magnetic resonance imaging (MRI). - Note: Patients with mammographically occult lesions are eligible, provided the lesion can be visualized using MRI or US. - Patients must be women who are >= 18 years of age. - NOTE: Males and children under the age of 18 are not included in this study because the treatment paradigms for these groups are aggressive and routinely include mastectomy, whereas the present study is an investigation of breast conservation. - The patient (or the patient's legally authorized representative if the patient has impaired decision-making capacity) must have the ability to understand and provide voluntary written informed consent to participate in this study, prior to registration. - Patients who have received neoadjuvant chemotherapy for the treatment of breast cancer are eligible - Patients with bilateral breast cancer and/or multicentric disease are eligible. - Note: For these patients, the VSI device will only be used on a single lesion - Subjects with a prior or concurrent malignancy whose natural history or treatment does not have the potential to interfere with the safety or efficacy assessment of the investigational intervention for this trial are eligible. Exclusion Criteria: - Patients undergoing re-excision for invasive breast cancer or DCIS are not eligible - Patients who are expected to have an excised lumpectomy specimen that is larger than 9 cm x 9 cm x 7 cm are not eligible - Note: The specimen size limitation for the VSI device is 9 cm x 9 cm x 7 cm (length x width x height). - Patients must not have a physical or psychiatric illness, condition, or social circumstance that the investigator feels would interfere with study compliance or would compromise the patient's safety or study endpoints. |
Country | Name | City | State |
---|---|---|---|
United States | Northwestern University | Chicago | Illinois |
United States | Cleveland Clinic | Cleveland | Ohio |
United States | The University of Kentucky | Lexington | Kentucky |
United States | Washington University in St. Louis | Saint Louis | Missouri |
Lead Sponsor | Collaborator |
---|---|
Northwestern University | National Cancer Institute (NCI) |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Retrospective analysis per published guidelines | To compare the estimated final positive margin rate for lumpectomy with VSI-directed cavity shaving to the historical final positive margin rate for lumpectomy with standard of care margin assessment, wherein 'positive margin' is defined per published guidelines. | Up to 2 months after breast conservation surgery | |
Other | Retrospective analysis per institutional practice | To compare the estimated final positive margin rate for lumpectomy with VSI-directed cavity shaving to the historical final positive margin rate for lumpectomy with standard of care margin assessment, wherein 'positive margin' is defined per institutional practice. | Up to 2 months after breast conservation surgery | |
Other | Reoperation rate | To compare the estimated reoperation rate for patients undergoing lumpectomy with VSI-directed cavity shaving to the historical reoperation rate for patients who previously underwent lumpectomy with standard of care margin assessment. | Up to 2 months after breast conservation surgery | |
Primary | Positive margins | The primary endpoint of main specimen positive margins identified by volumetric specimen imager (VSI) interpretation and excised intraoperatively is defined as the proportion of patients with at least one main specimen positive margin that was not excised intraoperatively by a VSI-directed shave. A positive margin is defined as ink on tumor (1 or more tumor cells touching the edge of the lumpectomy specimen) for invasive breast cancer and for invasive breast cancer with a ductal carcinoma in situ (DCIS) component; ink within 2 mm of the edge of the lumpectomy specimen for DCIS, and ink within 2 mm of the lumpectomy specimen for DCIS with microinvasion. | Up to 2 months after breast conservation surgery | |
Secondary | Sensitivity and specificity | The secondary endpoint of sensitivity and specificity of VSI-directed shaves will be determined using data from the surgical pathology report. Sensitivity will be calculated as the proportion of margins with pathologically identified tumor within a range of thresholds from 0-2 mm from the specimen edge directed for shaving by VSI interpretation. Specificity will be calculated as the proportion of margins with pathologically identified tumor above a range of thresholds from 0-2 mm from the specimen edge not directed for shaving by VSI interpretation. | Up to 2 months after breast conservation surgery | |
Secondary | Length of time | Length of time spent acquiring images with the VSI device is defined as the intraoperative time elapsed from the time when VSI imaging is started (i.e., capture of first image frame) to the time when VSI image reconstruction is completed (i.e., three-dimensional [3D] reconstruction image ready for viewing), as reported in the VSI device log file. | Up to 2 months after breast conservation surgery | |
Secondary | Volume of tissue excised | The volume of tissue excised in the main lumpectomy specimen and the volume of tissue excised in VSI-directed shaves is defined as the volume of the main lumpectomy specimen and of the VSI directed shave margins. | Up to 2 months after breast conservation surgery |
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