A Study Evaluating the Safety and Efficacy of Glofitamab + Gemcitabine + Oxaliplatin in U.S. Patients With Relapsed or Refractory Diffuse Large B-Cell Lymphoma

Inclusion Criteria: * Histologically confirmed DLBCL, not otherwise specified (NOS) * Relapsed (disease that has recurred following a response that lasted ≥ 6 months after completion of the last line of therapy) or refractory ( disease that did not respond to or that progressed \< 6 months after completion of the last line of therapy) disease * At least one prior line of systemic therapy * Participants who have failed only one prior line of therapy must not be a candidate for high-dose chemotherapy followed by autologous stem cell transplant (ASCT) * At least one bi-dimensionally measurable (\> 1.5 cm) nodal lesion, or one bi-dimensionally measurable (\> 1 cm) extranodal lesion, as measured on CT scan * Eastern Cooperative Oncology Group (ECOG) Performance Status of 0, 1, or 2 Exclusion Criteria: * Prior enrollment in Study GO41944 (STARGLO; NCT04408638) * Participant has failed only one prior line of therapy and is a candidate for stem cell transplantation * History of transformation of indolent disease to DLBCL * High-grade B-cell lymphoma with MYC and BCL2 and/or BCL6 rearrangements, and high-grade B-cell lymphoma NOS, as defined by 2016 WHO guidelines * Primary mediastinal B-cell lymphoma * History of severe allergic or anaphylactic reactions to humanized or murine monoclonal antibodies (or recombinant antibody-related fusion proteins) or known sensitivity or allergy to murine products * Prior treatment with glofitamab or other bispecific antibodies targeting both CD20…