Condition: Metastatic Breast Cancer · Drug Resistance · Hormone Receptor-Positive Breast Cancer · Sponsor: Hunan Cancer Hospital
This is a real-world observational study aiming to evaluate the effectiveness of post-progression treatment strategies in patients with advanced breast cancer who have developed resistance to prior targeted therapies, including CDK4/6 inhibitors, PIK3CA inhibitors, trastuzumab deruxtecan (T-DXd), or other targeted agents commonly used in clinical practice. As resistance to these therapies becomes increasingly common, optimal sequencing strategies for subsequent treatment remain unclear. This study will collect clinical information on post-resistance systemic treatments and their outcomes, including progression-free survival, overall survival, and response rate. Baseline patient and tumor characteristics will also be collected to explore potential prognostic and predictive factors and to develop outcome prediction models that may help guide future clinical decision-making. This is a non-interventional study based on retrospective and prospective data from routine medical care. The results are expected to provide real-world evidence to inform personalized treatment strategies for patients with advanced breast cancer following resistance to targeted therapies.
This description comes directly from the study's public registry record.
Binliang Liu, M.D · +8617370789834 · liubinliang_onco@163.com
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| Hunan Cancer Hospital | Changsha, Hunan, China | Recruiting |
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Source record: clinicaltrials.gov/study/NCT07073755