133
Participants
Start Date
March 3, 2017
Primary Completion Date
September 30, 2027
Study Completion Date
September 30, 2027
Atezolizumab
Given IV
Bevacizumab
Given IV
Laboratory Biomarker Analysis
Correlative studies
Pharmacological Study
Correlative studies
M D Anderson Cancer Center, Houston
National Cancer Institute (NCI)
NIH
M.D. Anderson Cancer Center
OTHER