* Diffuse large B-cell lymphoma - not otherwise specified
* High-grade B-cell lymphoma
* Diffuse large B-cell lymphoma - transformed from indolent lymphomas
* Follicular large B-cell lymphoma
* Follicular lymphoma
* Other non-Hodgkin lymphoma
Has measurable disease
Has discontinued all previous treatments for cancer and has recovered from the immediate effects of therapy
Has an active second cancer
Has known central nervous system (CNS) involvement by systemic lymphoma. Patients with previous treatment for CNS involvement who are neurologically stable and without evidence of active CNS disease may be eligible and enrolled if a compelling clinical rationale is provided by the Investigator and with documented Sponsor approval.
Has known Cytomegalovirus infection. Participants with negative status are eligible
Has known hepatitis B or C infection or uncontrolled HIV