Breast Neoplasms Clinical Trial
Official title:
A Prospective Single-center Cohort Study "Preoperative Identification of Sentinel Lymph Nodes Using Contrast-enhanced CT Lymphography in Breast Cancer Patients"
The main hypothesis of this study is that contrast-enhanced CT lymphography can be used for preoperative visualization of sentinel lymph nodes in breast cancer patients. We assume that CT lymphography is a high-sensitivity and high-specificity method for sentinel lymph nodes' mapping in breast cancer patients. We also assume that positive predictive value and negative predictive value for identification of presence or absence of metastases in sentinel lymph nodes (SLN) will be high enough for preoperative diagnosis of SLN metastases in breast cancer patients. This study will use CT lymphography with periareolar injection of iopamidol and standard protocols of sentinel lymph nodes biopsy using intraoperative indocyanine green (ICG) fluorescence.
Status | Not yet recruiting |
Enrollment | 31 |
Est. completion date | August 1, 2023 |
Est. primary completion date | March 1, 2023 |
Accepts healthy volunteers | No |
Gender | Female |
Age group | 18 Years to 75 Years |
Eligibility | Inclusion Criteria: - Age > 18 years; - Signed informed consent; - Histologically confirmed breast cancer Exclusion Criteria: - Iodine allergy; - Presence of distant metastases of breast cancer; - Body mass index more than 40; - Chronic cardiovascular and cerebrovascular diseases in the stage of decompensation or recent acute conditions (myocardial infarction, brain stroke, etc.) - Suspected pregnancy; - Severe hypothyroidism; - Bronchial asthma in the stage of decompensation; - Decompensated diabetes; - Kidney or hepatic failure. |
Country | Name | City | State |
---|---|---|---|
Russian Federation | Saint-Petersburg State University Hospital | Saint Petersburg |
Lead Sponsor | Collaborator |
---|---|
Saint Petersburg State University, Russia |
Russian Federation,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Sensitivity and specificity of contrast-enhanced CT lymphography | First primary endpoint is to determine the sensitivity and specificity of contrast-enhanced CT lymphography for the preoperative detection of sentinel lymph nodes in breast cancer in comparison with the intraoperative fluorescence method. | 8 months | |
Primary | Preoperative detection of sentinel lymph nodes metastases | Second primary endpoint is to assess the capabilities of contrast-enhanced CT lymphography for detecting metastases in sentinel lymph nodes in breast cancer patients | 8 months | |
Secondary | Objective criteria for metastatic lesions of sentinel lymph nodes | Secondary endpoint is to identify objective criteria for metastatic lesions of sentinel lymph nodes (SLN), such as 1) the shape of the lymphatic duct; 2) the contrast enhancement of the SLN (full or heterogeneous); 3) the size of the SLN; 4) the form of the SLN; 5) the density of the SLN. | 8 months |
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