Overview
Principal investigator
Eligibility criteria
Inclusion Criteria:
* Planned to receive treatment with 6 cycles of standard rituximab, cyclophosphamide, doxorubicin hydrochloride, vincristine, and prednisone (R-CHOP) per investigator determination.
* Must have newly diagnosed, histologically confirmed CD20+ diffuse large b-cell lymphoma \[DLBCL\] (de novo or histologically transformed from a diagnosis of follicular lymphoma) at most recent representative tumor biopsy based on the pathology report, with a World Health Organization (WHO) 2016 classification and including:
* DLBCL, Not Otherwise Specified (NOS).
* High grade B-cell lymphoma with MYC and BCL-2 and/or BCL-6 rearrangement with DLBCL morphology.
* T-cell/histiocyte-rich large B-cell lymphoma.
* Epstein Barr virus-positive DLBCL, NOS.
* Follicular lymphoma Grade 3b. Note: The local pathology report must be available at Screening to support CD20+ DLBCL histology. Composite/intermediate histology with any of the following components is not allowed: high grade B-cell lymphoma, NOS; Hodgkin's lymphoma; primary mediastinal (thymic) large B-cell lymphoma; Burkitt; plasmablastic lymphoma or any CD20- lymphoma, such as anaplastic lymphoma kinase-positive large B-cell lymphoma, human herpesvirus type 8-positive DLBCL, or primary effusion lymphoma.
* Availability of archival or fresh or paraffin embedded tissue at Screening.
* Must have an IPI score of 2-5. The number of participants with IPI 2 will not exceed approximately 30% of the overall sample size.
* Must have an Eastern Cooperative Oncology Group (ECOG) performance status score of 0-2 prior to initiating R-CHOP treatment. Note that participant with an initial ECOG performance status \>= 3 may be screened if pre-phase treatment is planned. Participant may be eligible if ECOG performance status were to improve to 0-2 during pre-phase treatment.
* Has at least one target lesion defined as:
* \>= 1 measurable nodal lesion (long axis \> 1.5 cm ) or \>= 1 measurable extra-nodal lesion (long axis \> 1 cm) on computed tomography (CT) scan or magnetic resonance imaging (MRI). AND
* Positron emission tomography (PET)-positive on PET-CT scan.
* Laboratory values meeting the criteria laid out in the protocol.
* Left ventricular ejection fraction must be \>= 50% by multi-gated acquisition or transthoracic echocardiography at Screening.
Exclusion Criteria:
* History of prior systemic anti-lymphoma therapy for diagnosed diffuse large b-cell lymphoma (DLBCL) including any definitive radiotherapy with curative intent\] other than corticosteroids with or without vincristine during prephase treatment, or non-curative intent palliative radiotherapy with the stipulation that radiated lesions cannot be selected as target lesion for response assessment.
* Clinically significant cardiovascular disease as per the protocol.
* Planned to receive treatment with 6 cycles of standard rituximab, cyclophosphamide, doxorubicin hydrochloride, vincristine, and prednisone (R-CHOP) per investigator determination.
* Must have newly diagnosed, histologically confirmed CD20+ diffuse large b-cell lymphoma \[DLBCL\] (de novo or histologically transformed from a diagnosis of follicular lymphoma) at most recent representative tumor biopsy based on the pathology report, with a World Health Organization (WHO) 2016 classification and including:
* DLBCL, Not Otherwise Specified (NOS).
* High grade B-cell lymphoma with MYC and BCL-2 and/or BCL-6 rearrangement with DLBCL morphology.
* T-cell/histiocyte-rich large B-cell lymphoma.
* Epstein Barr virus-positive DLBCL, NOS.
* Follicular lymphoma Grade 3b. Note: The local pathology report must be available at Screening to support CD20+ DLBCL histology. Composite/intermediate histology with any of the following components is not allowed: high grade B-cell lymphoma, NOS; Hodgkin's lymphoma; primary mediastinal (thymic) large B-cell lymphoma; Burkitt; plasmablastic lymphoma or any CD20- lymphoma, such as anaplastic lymphoma kinase-positive large B-cell lymphoma, human herpesvirus type 8-positive DLBCL, or primary effusion lymphoma.
* Availability of archival or fresh or paraffin embedded tissue at Screening.
* Must have an IPI score of 2-5. The number of participants with IPI 2 will not exceed approximately 30% of the overall sample size.
* Must have an Eastern Cooperative Oncology Group (ECOG) performance status score of 0-2 prior to initiating R-CHOP treatment. Note that participant with an initial ECOG performance status \>= 3 may be screened if pre-phase treatment is planned. Participant may be eligible if ECOG performance status were to improve to 0-2 during pre-phase treatment.
* Has at least one target lesion defined as:
* \>= 1 measurable nodal lesion (long axis \> 1.5 cm ) or \>= 1 measurable extra-nodal lesion (long axis \> 1 cm) on computed tomography (CT) scan or magnetic resonance imaging (MRI). AND
* Positron emission tomography (PET)-positive on PET-CT scan.
* Laboratory values meeting the criteria laid out in the protocol.
* Left ventricular ejection fraction must be \>= 50% by multi-gated acquisition or transthoracic echocardiography at Screening.
Exclusion Criteria:
* History of prior systemic anti-lymphoma therapy for diagnosed diffuse large b-cell lymphoma (DLBCL) including any definitive radiotherapy with curative intent\] other than corticosteroids with or without vincristine during prephase treatment, or non-curative intent palliative radiotherapy with the stipulation that radiated lesions cannot be selected as target lesion for response assessment.
* Clinically significant cardiovascular disease as per the protocol.
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