Clinical trial · Observational
A Study to Determine Biopsy Rate in Participants With a First Relapse of Breast Cancer
NCT02761616CI-TRIAL-00025744completedClinicalTrials.gov clinicaltrialsProvenance
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
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.
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Breast Cancer | Malignant Breast Neoplasm | CURATED_EXACT | 0.92 |
Interventions
Interventions (1)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| eBC treated participants | Other | — | UNRESOLVED |
Design
Arms and outcomes
Arms (1)
- label
- eBC treated participants
- description
- Participants with metastatic disease after previously being treated for eBC were observed for 24 months.
- interventionNames
- Other: eBC treated participants
Primary outcomes (1)
- measure
- Percentage of biopsied participants with metastatic relapse
- timeFrame
- Approximately up to 24 months
Secondary outcomes (10)
- measure
- Percentage of non-biopsied participants at first relapse according to different reasons for not performing a biopsy of the metastasis
- timeFrame
- Approximately up to 24 months
- measure
- Percentage of biopsied and non-biopsied participants at first relapse metastatic breast cancer (mBC) for each metastatic site
Eligibility
Eligibility (as posted)
- Sex
- Female
- Minimum age
- 18 Years
Show eligibility criteria text
Inclusion Criteria: * Participants with histologically confirmed breast cancer treated for early breast cancer (eBC) with first metastatic relapse disease in the period from January 1, 2014 and December 31, 2015 Exclusion Criteria: Not Applicable
References
Publications (0)
Data not yet available
No reference posted for this study.