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)
Study Phase: Phase 3
Recruitment Status: Recruiting
Start Date: January 27, 2025
End Date: March 29, 2032
Inclusion Criteria:
- 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)
- Who are hepatitis B surface antigen (HBsAg) positive are eligible if they have received hepatitis B virus (HBV) antiviral therapy and have undetectable HBV viral load prior to randomization
- Participants with history of hepatitis C virus (HCV) infection are eligible if HCV viral load is undetectable at screening
Exclusion Criteria:
- 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
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Conditions:
- Lymphoma, Large B-Cell, Diffuse