Tafasitamab + Lenalidomide + R-CHOP Versus R-CHOP in Newly Diagnosed High-intermediate and High Risk DLBCL Patients

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• Major Inclusion Criteria:
• Previously untreated patients with local biopsy-proven, CD20-positive DLBCL, including one of the following diagnoses by 2016 World Health Organization (WHO) classification of lymphoid neoplasms are eligible:
  • DLBCL, NOS including GCB type, ABC type
  • T-cell rich large BCL
  • Epstein-Barr virus-positive DLBCL, NOS
  • Anaplastic lymphoma kinase (ALK)-positive large BCL
  • Human herpes virus-8 (HHV8)-positive DLBCL, NOS
  • High-grade BCL with MYC and B-cell lymphoma 2 (BCL2) and/or B-cell lymphoma 6 (BCL6) rearrangements (double-hit or triple-hit lymphoma). Please note: Patients must be appropriate candidates for R-CHOP. If an investigator deems a patient with a known double- or triple-hit lymphoma (HGBL) should be treated more aggressively (e.g. dose-adjusted etoposide, prednisone, vincristine, cyclophosphamide, doxorubicin and rituximab \[DA-EPOCH-R\] or cyclophosphamide, vincristine, doxorubicin and dexamethasone (CVAD) followed by methotrexate and cytarabine \[Hyper CVAD\]), this patient would not be considered eligible for this study
  • HGBL-NOS
  • DLBCL coexistent with either follicular lymphoma (FL) of any grade, gastric MALT lymphoma or non-gastric MALT lymphoma
  • FL grade 3b
• Availability of archival or freshly collected tumor tissue sent for retrospective central pathology review
• IPI status of 3 to 5 (for patients \> 60 years of age) or aaIPI 2 to 3 (for patients ≤ 60 years of age)
• Diagnosis to treatment interval, defined as the time between the date of DLBCL diagnosis (date of the first biopsy specimen containing B Cell lymphoma according to the local pathology report) and the start of treatment (C1D1) ≤ 28 days
• ECOG performance status of 0, 1, or 2
• Left ventricular ejection fraction equal to or greater 50% as assessed by local echocardiography or cardiac multi-gated acquisition (MUGA) scan
• Adequate hematologic function
• Female participants: Agreement to remain abstinent (refrain from heterosexual intercourse) or use contraceptive methods and refrain from breast feeding and donating eggs; agreement to ongoing pregnancy testing during the course of the study, and after study therapy has ended
• Male participants: agreement to remain abstinent (refrain from heterosexual intercourse) or use a condom and agreement to refrain from donating sperm
  • Major Exclusion Criteria:
• Any other histological type of lymphoma according to WHO 2016 classification of lymphoid neoplasms, e.g., primary mediastinal (thymic) large B-cell lymphoma, Burkitt's lymphoma, BCL, unclassifiable, with features intermediate between DLBCL and classical Hodgkin lymphoma (grey-zone lymphoma); primary effusion lymphoma; primary cutaneous DLBCL, leg type; primary DLBCL of the CNS; DLBCL arising from CLL or indolent lymphoma
• History of prior non-hematologic malignancy except for the following:
  • Malignancy treated with curative intent and with no evidence of active disease present for more than 2 years before screening
  • Adequately treated lentigo maligna melanoma without current evidence of disease or adequately controlled non-melanomatous skin cancer
  • Adequately treated carcinoma in situ without current evidence of disease
• Any systemic anti-lymphoma and/or investigational therapy prior to the start of C1D1, except for permitted pre-phase treatment
• Contraindication to any of the individual components of R-CHOP, including prior receipt of anthracyclines
• Known CNS lymphoma involvement
• Known active systemic bacterial, viral, fungal, or other infection at screening, including patients with suspected active or latent tuberculosis (as confirmed by a positive interferon-gamma release assay)
• History or evidence of clinically significant cardiovascular, CNS and/or other systemic disease that in the investigator's opinion would preclude participation in the study or compromise the patient's ability to give informed consent