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- Title
Current state of clinical trials in breast cancer brain metastases.
- Authors
Fares, Jawad; Kanojia, Deepak; Cordero, Alex; Rashidi, Aida; Miska, Jason; Schwartz, Charles W; Savchuk, Solomiia; Ahmed, Atique U; Balyasnikova, Irina V; Cristofanilli, Massimo; Gradishar, William J; Lesniak, Maciej S
- Abstract
Background Breast cancer brain metastases (BCBM) are the final frontier in neuro-oncology for which more efficacious therapies are required. In this work, we explore clinical trials in BCBM, and determine the shortcomings in the development of new BCBM therapies to shed light on potential areas for enhancement. Methods On July 9, 2018, we searched ClinicalTrials.gov for all interventional and therapeutic clinical trials involving BCBM, without limiting for date or location. Information on trial characteristics, including phase, status, start and end dates, study design, primary endpoints, selection criteria, sample size, experimental interventions, results, and publications were collected and analyzed. Results Fifty-three trials fulfilled the selection criteria. Median trial duration across phases ranged between 3 and 6 years. More than half of the trials were conducted in the United States. Although 94% of the trials were in early phases (I-II), 20% of patients were in phase III trials. Two phase III trials were anteceded by phase II trials that were non-randomized; one reported positive results. Approximately one-third of the trials were completed, whereas 23% of trials were terminated early; mostly due to inadequate enrollment. Only 13% of all trials and 22% of completed trials had published results directly linked to their primary outcomes. Conclusions The low number of trials and accrual numbers, the lack of diversity, and the scarcity of published results represent the main troubles in clinical BCBM research. Optimization of BCBM trials is necessary to achieve effective therapies.
- Subjects
UNITED States; METASTATIC breast cancer; CLINICAL trials
- Publication
Neuro-Oncology Practice, 2019, Vol 6, Issue 5, p392
- ISSN
2054-2577
- Publication type
Article
- DOI
10.1093/nop/npz003