DSC-MRI in Measuring Relative Cerebral Blood Volume for Early Response to Bevacizumab in Patients With Recurrent Glioblastoma
PRIMARY OBJECTIVES: I. To determine whether binary changes (increase versus [vs.] decrease) in rCBV within enhancing tumor from baseline to 2 weeks after initiation of anti-angiogenic therapy is associated with overall survival (OS). SECONDARY OBJECTIVES: I. To determine whether the baseline pre-treatment rCBV measure alone is associated with OS. II....