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This is a retrospective, and observational cohort study to determine the proportion of breast cancer first relapses, that are biopsied. The duration of the study will be approximately 24 months.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| eBC treated participants | Participants with metastatic disease after previously being treated for eBC were observed for 24 months. |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| eBC treated participants | Other | No intervention administered in this retrospective observational study. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Percentage of biopsied participants with metastatic relapse | Approximately up to 24 months |
| Measure | Description | Time Frame |
|---|---|---|
| Percentage of non-biopsied participants at first relapse according to different reasons for not performing a biopsy of the metastasis | Approximately up to 24 months | |
| Percentage of biopsied and non-biopsied participants at first relapse metastatic breast cancer (mBC) for each metastatic site |
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Inclusion Criteria:
Exclusion Criteria:
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Participants with a first relapse of breast cancer after being treated for eBC.
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| Name | Affiliation | Role |
|---|---|---|
| Clinical Trials | Hoffmann-La Roche | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Cemic; Oncologia Clinica | Buenos Aires | C1431FWO | Argentina | |||
| Hospital de Morón |
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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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| Approximately up to 24 months |
| Percentage of biopsied participants at first relapse mBC according to each biopsy method | Approximately up to 24 months |
| Percentage of biopsied and non- biopsied participants at first relapse mBC for each molecular profile of primary tumor | Approximately up to 24 months |
| Percentage of biopsied participants at first relapse mBC for each molecular profile of biopsied metastases | Approximately up to 24 months |
| Percentage of biopsied participants at first relapse mBC with same and different molecular profiles between primary tumor and metastasis for each molecular profile | Approximately up to 24 months |
| Time to relapse | Approximately up to 24 months |
| Percentage of participants with type of first line therapy selected for metastatic disease | Approximately up to 24 months |
| Percentage of participants influenced with biopsy in mBC | Approximately up to 24 months |
| Percentage of biopsied and non- biopsied participants at first relapse mBC for each systemic treatment scheme in the adjuvant and in the metastatic setting | Approximately up to 24 months |
| Morón |
| Argentina |
| CENICLAR | Rosario | Argentina |
| Centro Medico San Roque | San Miguel de Tucumán | T4000IAK | Argentina |
| D017437 |
| Skin and Connective Tissue Diseases |