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To investigate the treatment pattern and efficacy of patients with negative primary ER lesion but positive ER expression in MBC using a novel convenient way of 18F-fluoroestradiol positron emission tomography/computed tomography (18F-FES PET/CT).
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| FES positive in MBC | Patients who did not present with any ER-positive lesions in primary cancer were characterized as with any positive ER expression in the metastatic stage |
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| Measure | Description | Time Frame |
|---|---|---|
| Progression free survival (PFS) | Progression free survival | 6 weeks |
| Measure | Description | Time Frame |
|---|---|---|
| Adverse events | Number of participants with treatment-related adverse events as assessed by CTCAE v 5.0 | 6 weeks |
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Inclusion Criteria:
Exclusion Criteria:
Patients with incomplete medical records and those diagnosed with secondary primary tumors
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MBC patients with ER-negative primary tumor who detected positive ER expression in metastatic disease using 18F-FES PET/CT at the Fudan University Shanghai Cancer Center
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| China,Shanghai | Shanghai | Shanghai Municipality | 200032 | China |
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| ID | Term |
|---|---|
| D001943 | Breast Neoplasms |
| ID | Term |
|---|---|
| D009371 | Neoplasms by Site |
| D009369 | Neoplasms |
| D001941 | Breast Diseases |
| D012871 | Skin Diseases |
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| D017437 |
| Skin and Connective Tissue Diseases |