This pilot clinical trial studies quantitative magnetic resonance imaging (MRI) at 3 Tesla in assessing disease in patients with tumors that have spread to the brain (brain metastases). In addition to routine care brain imaging of the brain, this study will include advanced multiparametric MRI sequences to measure vascular, cellular, and molecular properties of the tumor. Performing extra scans during MRI provides more information about the metastases and may better predict treatment response.
PRIMARY OBJECTIVES: I. To correlate pre-treatment measures of biophysical parameters in metastases-obtained using advanced, quantitative MRI techniques in patients receiving standard-of-care (SOC) therapy for 1-4 brain metastases-with treatment-induced changes in lesion size, time-to-progression (TTP), and overall survival (OS). OUTLINE: Patients undergo hybrid 3 Tesla MRI examination that includes standard MRI sequences, diffusion-weighted (DW)-MRI, chemical exchange saturation transfer (CEST), and combined dynamic contrast enhanced (DCE)-MRI/dynamic susceptibility contrast (DSC)-MRI at baseline.
Study Type
INTERVENTIONAL
Allocation
NA
Purpose
DIAGNOSTIC
Masking
NONE
Enrollment
10
Undergo DW-MRI
Undergo CEST-MRI
Undergo DCE-MRI
Vanderbilt-Ingram Cancer Center
Nashville, Tennessee, United States
Volume transfer constant (Ktrans), as measured by DCE-MRI
The ability of pre-treatment estimates of Ktrans to predict objective tumor response by Response Evaluation Criteria in Solid Tumors or Macdonald criteria after therapy will be assessed using the proportional odds model.
Time frame: Baseline
Amide proton transfer asymmetry (APTasym) as measured by CEST
Cox proportional hazards regression will be used to assess the association of APTasym with change in tumor size.
Time frame: Baseline
Apparent diffusion coefficient (ADC), as measured by DW-MRI
Cox proportional hazards regression will be used to assess the association of ADC with change in tumor size.
Time frame: Baseline
Extravascular extracellular volume fraction (Ve), as measured by DCE-MRI
Cox proportional hazards regression will be used to assess the association of Ve with change in tumor size.
Time frame: Baseline
Plasma volume fraction (Vp), as measured by DCE-MRI
Cox proportional hazards regression will be used to assess the association of Vp with change in tumor size.
Time frame: Baseline
Cerebral blood volume (CBV), as measured by DSC-MRI
Cox proportional hazards regression will be used to assess the association of CBV with change in tumor size.
Time frame: Baseline
Cerebral blood flow (CBF), as measured by DSC-MRI
Cox proportional hazards regression will be used to assess the association of CBF with change in tumor size.
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Undergo DSC-MRI
Time frame: Baseline
Mean transit time (MTT), as measured by DSC-MRI
Cox proportional hazards regression will be used to assess the association of MTT with change in tumor size.
Time frame: Baseline