Phase I Compare OS in Post-CyberKnife Radiosurgery Tx in 1-3 VS 4 or More Brain Metastases
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About
The investigators will learn from this study if the CyberKnife radiosurgery (CK RS) treatment of patients with 1-3 versus 4 or more brain metastases results in the same overall survivals. The importance of this new knowledge will be to determine the treatment efficacy of CK RS with 1-3 versus 4 or more brain metastases. The outcome of this trial would give data to support either the continuation or modification of the CK RS treatment of patients with brain metastases.
Full description
This is registry-based cohort study of patients with brain metastases treated at Stanford University Medical Center (SUMC) with CyberKnife radiosurgery (CK RS). It has two components: (1) a retrospective follow-up of patients treated since 2006, and (2) the accrual of a new cohort of patients treated over a 5-year period from January 15, 2013 to December 31, 2017 and followed for at least one year thereafter. The primary aim of this study is to estimate the effect of the number of brain tumor metastases on survival after adjusting for known risk factors for mortality.
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Inclusion criteria
- the presence of a tumor metastasis or tumor metastases to the brain as manifested by the neurological examination and visibility of the metastatic lesion(s) on MRI and CT scans
- a Karnofsky performance status (KPS) score of greater than or equal to 60.
Exclusion criteria
The exclusion criteria are the converse of the above, i.e. patients without a brain tumor metastasis or brain tumor metastases or a KPS of less than 60.
Trial design
0 participants in 2 patient groups
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Data sourced from clinicaltrials.gov
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