A Study to Evaluate Zilovertamab Vedotin (MK-2140) Combination With Rituximab Plus Cyclophosphamide, Doxorubicin, and Prednisone (R-CHP) Versus Rituximab Plus Cyclophosphamide, Doxorubicin, Vincristine, and Prednisone (R-CHOP) in Participants With Previously Untreated DLBCL (MK-2140-010)
Has histologically confirmed diagnosis of diffuse large B-cell lymphoma (DLBCL), by prior biopsy, based on local testing according to the WHO classification of neoplasms of the hematopoietic and lymphoid tissues
Has positron emission tomography (PET) positive disease at screening, defined as 4 to 5 on the Lugano 5-point scale
Has received no prior treatment for their DLBCL
Has an Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 2 assessed within 7 days before randomization
Has an ejection fraction ≥45% as determined by either echocardiogram (ECHO) or multigated acquisition (MUGA)
Human immunodeficiency virus (HIV) infected participants must have well controlled HIV on antiretroviral therapy (ART)
You may not be if
Has a history of transformation of indolent disease to DLBCL
Has received a diagnosis of primary mediastinal B-cell lymphoma (PMBCL) or Grey zone lymphoma
Has Ann Arbor Stage I DLBCL
Has clinically significant (i.e., active) cardiovascular disease: cerebral vascular accident/stroke (\<6 months prior to enrollment), myocardial infarction (\<6 months prior to enrollment), unstable angina, congestive heart failure (New York Heart Association Classification Class ≥II), or serious cardiac arrhythmia requiring medication
Has clinically significant pericardial or pleural effusion
Has ongoing Grade \>1 peripheral neuropathy
Has a demyelinating form of Charcot-Marie-Tooth disease
HIV-infected participants with a history of Kaposi's sarcoma and/or Multicentric Castleman's Disease
Has ongoing corticosteroid therapy
Has received a live or live-attenuated vaccine within 30 days before the first dose of study intervention. Administration of killed vaccines is allowed
Known additional malignancy that is progressing or has required active treatment within the past 2 years
Known active central nervous system (CNS) lymphoma
Has active autoimmune disease that has required systemic treatment in the past 2 years
Has active infection requiring systemic therapy
Has concurrent active HBV (defined as HBsAg positive and detectable HBV DNA) and HCV (defined as anti-HCV antibody positive and detectable HCV ribonucleic acid (RNA)) infection
Has history of allogeneic tissue/solid organ transplant
Clareo Health | A Study to Evaluate Zilovertamab Vedotin (MK-2140) Combination With Rituximab Plus Cyclophosphamide, Doxorubicin, and Prednisone (R-CHP) Versus Rituximab Plus Cyclophosphamide, Doxorubicin, Vincristine, and Prednisone (R-CHOP) in Participants With Previously Untreated DLBCL (MK-2140-010)