Improving outcomes in advanced DLBCL: systemic approaches and radiotherapy.
Diffuse large B-cell lymphoma (DLBCL) is the most common subtype of non-Hodgkin lymphoma. Approximately half of patients will present with advanced (stage III/IV) disease. The cornerstone of treatment is a combination of chemotherapy and immunotherapy, most commonly R-CHOP (rituximab, cyclophosphamide, doxorubicin, vincristine, prednisone). Efforts to improve upon R-CHOP-including more chemotherapy cycles, dose-dense chemotherapy, alternative drug combinations, high-dose chemotherapy with autologous stem cell transplant, and maintenance rituximab-have generally proved unsuccessful. There is a growing body of retrospective and prospective data, however, suggesting a benefit for consolidation radiation therapy (RT) in select patients with advanced DLBCL. Consolidation RT has been shown to improve outcomes for patients with advanced DLBCL generally, and in specific instances including initially bulky disease, bone involvement, or in the setting of a partial response to systemic therapy. In these settings consolidation RT is highly efficacious at achieving local disease control and improving overall outcomes.
Boyle, J; Beaven, AW; Diehl, LF; Prosnitz, LR; Kelsey, CR
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