Testing the Addition of an Immunotherapy Agent, Atezolizumab, When Given With the Usual Chemo-Immunotherapy Drug Combination (Rituximab Plus Gemcitabine and Oxaliplatin) for Relapsed/Refractory (That Has Come Back or Not Responded to Treatment) Transformed Diffuse Large B-Cell Lymphoma
ACTIVE_NOT_RECRUITING
Status
Conditions
- Recurrent Diffuse Large B-Cell Lymphoma
- Recurrent Transformed Non-Hodgkin Lymphoma
- Refractory Diffuse Large B-Cell Lymphoma
- Refractory Transformed Non-Hodgkin Lymphoma
- Richter Syndrome
- Transformed Follicular Lymphoma to Diffuse Large B-Cell Lymphoma
Interventions
- DRUG: Atezolizumab
- PROCEDURE: Biopsy Procedure
- PROCEDURE: Biospecimen Collection
- PROCEDURE: Bone Marrow Biopsy
- PROCEDURE: Computed Tomography
- DRUG: Gemcitabine
- PROCEDURE: Magnetic Resonance Imaging
- DRUG: Oxaliplatin
- PROCEDURE: Positron Emission Tomography
- BIOLOGICAL: Rituximab
Sponsor
National Cancer Institute (NCI)