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This phase I/II trial studies the side effects and best dose of carfilzomib when given together with rituximab and combination chemotherapy and to see how well they work in treating patients with diffuse large B-cell lymphoma. Carfilzomib may stop the growth of cancer cells by blocking some of the enzymes needed for cell growth. Monoclonal antibodies, such as rituximab, can block cancer growth by finding cancer cells and helping kill them. Drugs used in chemotherapy work in different ways to stop the growth of cancer cells, either by killing the cells or by stopping them from dividing. It is not known if carfilzomib in combination with R-CHOP is better or worse than R-CHOP alone in treating patients with diffuse large b-cell lymphoma.
Full description
PRIMARY OBJECTIVES:
I. To determine the safety of carfilzomib in combination with rituximab-cyclophosphamide, doxorubicin hydrochloride, vincristine, and prednisone (R-CHOP) (CR-CHOP) in patients with newly diagnosed diffuse large B-cell lymphoma (DLBCL) and identify a recommended phase II dose (RP2D). (Phase I)
SECONDARY OBJECTIVES:
I. To determine if CR-CHOP improves the rates of 1-year progression free survival (PFS) and overall survival (OS) in non-germinal center (non-GC) DLBCL patients relative to historical controls treated with R-CHOP(Phase II) II. To determine response rates (complete and partial remission) in non-GC DLBCL patients treated with CR-CHOP and compare to historical controls treated with R-CHOP.
III. Because a proportion (~10%) of patients classified as non-GC by immunohistochemical (IHC) algorithms may not have the activated B-cells (ABC) subtyped of DLBCL, an exploratory secondary objective will compare the PFS, OS and response rates of the ABC subgroup of patients with DLBCL as determined by the Gene Expression Profiling with those of the overall group of non-GC DLBCL.
OUTLINE: This is a phase I, dose-escalation study of carfilzomib followed by a phase II study.
Patients receive rituximab intravenously (IV) over at least 90 minutes, cyclophosphamide IV over 30-60 minutes, doxorubicin hydrochloride IV over 3-5 minutes, vincristine sulfate IV over 1 minute on day 1, and prednisone orally (PO) on days 1-5. Patients also receive carfilzomib IV over 30 minutes on days 1, 2, 8 and 9. Courses repeat every 21 days for 6 courses in the absence of disease progression or unacceptable toxicity.
After completion of study treatment, patients are followed up at 30 days and at 6, 12, and 24 months.
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Inclusion criteria
Patients must have histologically confirmed diffuse large B-cell lymphoma (DLBCL); patients with previously diagnosed indolent lymphoma (follicular lymphoma and marginal zone lymphoma but not small lymphocytic lymphoma) who have transformed to DLBCL are eligible only if they have not previously been treated for indolent lymphoma. For the Phase II study, patients must have non-GC DLBCL as determined by Hans Algorithm.
Patients must have radiographically measurable disease
Patients may have received brief (<15 days) treatment with glucocorticoids and/or 1 cycle of chemotherapy such as R-CHOP [or some component(s) thereof] for the diagnosis of B-cell lymphoma provided they had all necessary staging tests performed prior to R-CHOP including CT and/or PET/CT scans, echocardiogram and bone marrow biopsy. Treatment must occur within 60 days prior to enrollment.
Eastern Cooperative Oncology Group (ECOG) performance status ≤ 2; performance status of 3 will be accepted if impairment is caused by DLBCL complications and improvement is expected once therapy is initiated
Hemoglobin ≥ 7.0 g/dl
Absolute neutrophil count ≥ 1,500/mcL
Platelet count ≥ 100,000/mcL
Total bilirubin within normal institutional limits unless due to Gilbert's disease
Aspartate aminotransferase (AST) (serum glutamic oxaloacetic transaminase [SGOT]) ≤ 2.5 X institutional upper limit of normal
Alanine aminotransferase (ALT) (serum glutamate pyruvate transaminase [SGPT]) ≤ 2.5 X institutional upper limit of normal
Creatinine clearance ≥ 45 mL/min calculated by Cockcroft-Gault
Adequate cardiac function left ventricular ejection fraction (LVEF) > 50% as assessed by echocardiogram or MUGA (Multi Gated Acquisition Scan)
The effects of Carfilzomib on the developing human fetus are unknown. For this reason and because chemotherapeutic agents used in this study are known to be teratogenic, women of child-bearing potential and men must agree to use adequate contraception (double barrier method of birth control or abstinence) 2 weeks prior to initiation of treatment, for the duration of study participation and for 3 months after completing treatment. Should a woman become pregnant or suspect that she is pregnant while she or her partner is participating in this study, she should inform the treating physician immediately. Men must agree to refrain from sperm donation for at least 90 days after the last dose of carfilzomib.
Subjects must have the ability to understand and the willingness to sign a written informed consent document
International Prognostic Index must be documented:
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48 participants in 1 patient group
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Data sourced from clinicaltrials.gov
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