• Ricky Nelles, Kirk Morris, Ashleigh Scott, and Glenn Kennedy.
• Department of Haematology, Sunshine Cost University Hospital, Sunshine Coast, Queensland, Australia.
• Intern Med J. 2023 May 1; 53 (5): 773778773-778.

BackgroundDouble-hit lymphoma (DHL) is an aggressive subtype of high-grade B-cell lymphoma with inferior prognosis using standard dose chemotherapy. Controversy remains whether more intensive chemotherapy regimens such as dose-adjusted etoposide, prednisolone, vincristine, cyclophosphamide, doxorubicin and rituximab (DA-EPOCH-R) provide better outcomes in this cohort.AimsTo review consecutive cases of DHL treated with DA-EPOCH-R at our institution in comparison to available literature.MethodsWe conducted a retrospective study of 13 consecutive patients with DHL treated with DA-EPOCH-R at our institution. Primary endpoints included complete response (CR), event-free survival (EFS) and overall survival (OS).ResultsCR rate with DA-EPOCH-R in DHL was 69% in our cohort. Median EFS and OS duration was 61 months (95% CI: 41-86 months) and 64 months (95% CI: 42-86 months) respectively. One patient discontinued DA-EPOCH-R due to recurrent febrile neutropenia and there were no treatment or infection-related deaths during the study.ConclusionsThis study suggests that DA-EPOCH-R is a well tolerated outpatient regimen for DHL and should be considered for initial treatment in medically fit patients. Further prospective studies are warranted to confirm these findings.© 2022 The Authors. Internal Medicine Journal published by John Wiley & Sons Australia, Ltd on behalf of Royal Australasian College of Physicians.

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