The Evolving Role of Radiation Therapy in DLBCL: From Early-Stage to Refractory Disease.
Diffuse large B-cell lymphoma (DLBCL) is the most common subtype of non-Hodgkin lymphoma. Historically, radiation therapy (RT) served as the primary treatment modality for patients with localized disease. While still an option for select patients who are not candidates for systemic therapy, RT is currently used most frequently as a consolidation treatment after chemoimmunotherapy. Consolidation RT is most commonly recommended after an abbreviated course of systemic therapy in patients who have bulky disease or multiple risk factors, or in the setting of a partial response. Consolidation RT is also appropriate in some patients with advanced DLBCL, including those presenting with bulky disease (≥7.5 cm). While many patients achieve sustained remissions after first-line therapy, up to 50% of patients with DLBCL will eventually relapse. The most common salvage options include second-line chemotherapy followed by high-dose chemotherapy and autologous stem cell transplantation (ASCT) and chimeric antigen receptor (CAR) T-cell therapy. RT can be used in both settings to optimize clinical outcomes. This includes consolidation RT in patients with localized presentations or bulky disease in the setting of ASCT and bridging RT in select patients undergoing CAR T-cell therapy. RT is also a valuable modality in any patient with symptomatic disease requiring palliation.
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Related Subject Headings
- Transplantation, Autologous
- Neoplasm Recurrence, Local
- Lymphoma, Non-Hodgkin
- Lymphoma, Large B-Cell, Diffuse
- Humans
- Hematopoietic Stem Cell Transplantation
- Antineoplastic Combined Chemotherapy Protocols
Citation
Published In
DOI
ISSN
Publication Date
Volume
Issue
Start / End Page
Related Subject Headings
- Transplantation, Autologous
- Neoplasm Recurrence, Local
- Lymphoma, Non-Hodgkin
- Lymphoma, Large B-Cell, Diffuse
- Humans
- Hematopoietic Stem Cell Transplantation
- Antineoplastic Combined Chemotherapy Protocols