Estrogen Receptor (ER) PET/CT Imaging in Breast Cancer
NCT05541367
Summary
18F-Fluoroestradiol (18F-FES) is an estrogen receptor-targeting positron emission tomography tracer with high sensitivity and specificity for the detection of estrogen receptor(ER)-positive tumors . 18F-FES has been used as a predictive biomarker to demonstrate estrogen receptor heterogeneity , to evaluate the pharmacokinetics of estrogen receptor-targeted drugs , to measure residual estrogen receptors during endocrine therapy and to determine biologically optimal doses of novel estrogen receptor-targeted drugs .This study aimes to explore the efficacy of 18F-FES PET/CT in evaluating the expression levels of ER in primary and metastatic breast cancer patients.
Eligibility
Inclusion Criteria: * More than 18 years old * Patients with pathologically confirmed breast cancer * Sign the informed consent form Exclusion Criteria: * Pregnant women * Severe underlying diseases that cannot cooperate with PET examination
Conditions4
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NCT05541367