This invention relates to treatment of Diffuse Large B-Cell Lymphoma (DLBCL) and Follicular Lymphoma (FL). Specifically, the disclosure provides a method of treating a subject having DLBCL or FL, the method comprising administering to the subject a drug combination consisting essentially of a CD19 antibody drug conjugate (CD19-ADC), and rituximab, cyclophosphamide, doxorubicin, and prednisone (RCHP).
