A Study of Zilovertamab Vedotin (MK-2140) in Combination With Standard of Care in Participants With Relapsed or Refractory Diffuse Large B-Cell Lymphoma (rrDLBCL) (MK-2140-003)

A Clinical Study of Zilovertamab Vedotin (MK-2140) Plus Rituximab Plus Cyclophosphamide, Doxorubicin, and Prednisone (R-CHP) Versus Polatuzumab Vedotin Plus R-CHP in People With Diffuse Large B-cell Lymphoma (DLBCL) (MK-2140-011/waveLINE-011)

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)

A Study of Zilovertamab Vedotin (MK-2140) as Monotherapy and in Combination in Participants With Aggressive and Indolent B-cell Malignancies (MK-2140-006)

Substudy 01A: Zilovertamab Vedotin in Pediatric and Young Adult Participants With Hematologic Malignancies or Solid Tumors (MK-9999-01A/LIGHTBEAM-U01)

A Study to Evaluate Zilovertamab Vedotin (MK-2140) for Relapsed or Refractory Diffuse Large B-Cell Lymphoma (DLBCL) (MK-2140-004)

A Study of Zilovertamab Vedotin (MK-2140) in Combination With Cyclophosphamide, Doxorubicin, and Prednisone Plus Rituximab or Rituximab Biosimilar (Truxima) (R-CHP) in Participants With Diffuse Large B-Cell Lymphoma (DLBCL) (MK-2140-007)

A Study of Zilovertamab Vedotin (MK-2140/VLS-101) in Participants With Solid Tumors (MK-2140-002)

A Study of Zilovertamab Vedotin (MK-2140) (VLS-101) in Participants With Hematologic Malignancies (MK-2140-001)

A Substudy of Investigational Agents in Programmed Cell Death-1/Ligand 1 (PD-1/L1) Refractory Locally Advanced or Metastatic Urothelial Carcinoma (mUC) (MK-3475-04A)