85
Participants
Start Date
September 19, 2019
Primary Completion Date
August 31, 2027
Study Completion Date
February 29, 2028
Atezolizumab
Given IV
Bevacizumab
Given IV
External Beam Radiation Therapy
Undergo high-dose EBRT
Pheresis
Undergo apheresis
Pneumococcal 13-valent Conjugate Vaccine
Given IM
Therapeutic Autologous Dendritic Cells
Given IT
Tiragolumab
Given IV
Esophagogastroduodenoscopy
Undergo EGD
Computed Tomography
Undergo CT or PET/CT
Positron Emission Tomography
Undergo PET/CT
Magnetic Resonance Imaging
Undergo MRI
Biopsy Procedure
Undergo biopsy
Biospecimen Collection
Undergo urine and blood sample collection
RECRUITING
Mayo Clinic in Rochester, Rochester
Lead Sponsor
National Cancer Institute (NCI)
NIH
Mayo Clinic
OTHER