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Introduction of Combined CHOP Plus Rituximab Therapy Dramatically Improved Outcome of Diffuse Large B-Cell Lymphoma in British Columbia

Open access
Sehn, Laurie H., Donaldson, Jane, Chhanabhai, Mukesh, Fitzgerald, Catherine, Gill, Karamjit, Klasa, Richard, MacPherson, Nicol, O'Reilly, Susan, Spinelli, John J., Sutherland, Judy, Wilson, Kenneth S., Gascoyne, Randy D., Connors, Joseph M.·2005·Journal of Clinical Oncology

Abstract

Purpose: For more than two decades, cyclophosphamide, doxorubicin, vincristine, and prednisone (CHOP) has been the standard therapy for diffuse large B-cell lymphoma (DLBCL). The addition of rituximab to CHOP has been shown to improve outcome in elderly patients with DLBCL. We conducted a population-based analysis to assess the impact of this combination therapy on adult patients with DLBCL in the province of British Columbia (BC). Methods: We compared outcomes during a 3-year period; 18 months before (prerituximab) and 18 months after (postrituximab) institution of a policy recommending the combination of CHOP and rituximab for all patients with newly diagnosed advanced-stage (stage III or IV or stage I or II with “B” symptoms or bulky [> 10 cm] disease) DLBCL. Results: A total of 292 patients were evaluated; 140 in the prerituximab group (median follow-up, 42 months) and 152 in the postrituximab group (median follow-up, 24 months). Both progression-free survival (risk ratio, 0.56; 95% CI, 0.39 to 0.81; P = .002) and overall survival (risk ratio, 0.40; 95% CI, 0.27 to 0.61, P < .0001) were significantly improved in the postrituximab group. After controlling for age and International Prognostic Index score, era of treatment remained a strong independent predictor of progression-free survival (risk ratio, 0.59; 95% CI, 0.41 to 0.85; P = .005) and overall survival (risk ratio, 0.43; 95% CI, 0.29 to 0.66; P < .001). The benefit of treatment in the postrituximab era was present regardless of age. Conclusion: The addition of rituximab to CHOP chemotherapy has resulted in a dramatic improvement in outcome for DLBCL patients of all ages in the province of BC.

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Metadata

Authors
Sehn, L. H., Donaldson, J., Chhanabhai, M., Fitzgerald, C., Gill, K., Klasa, R., MacPherson, N., O'Reilly, S., Spinelli, J. J., Sutherland, J., Wilson, K. S., Gascoyne, R. D., & Connors, J. M.
Venue
Journal of Clinical Oncology
Published
2005-08-01
Volume
23
Issue
22
Pages
5027-5033
ISSN
  • 0732-183X (ISSN-L)
  • 1527-7755
OpenAlex
W2145304413
Cited by
987
References
19
FWCI
27.97
Type
journal article
Language
en
Open access
bronze

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CoChat. (2026). Citation check: Introduction of Combined CHOP Plus Rituximab Therapy Dramatically Improved Outcome of Diffuse Large B-Cell Lymphoma in British Columbia. https://app.cochat.ai/papers/10.1200/jco.2005.09.137
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Sehn, L. H., Donaldson, J., Chhanabhai, M., Fitzgerald, C., Gill, K., Klasa, R., MacPherson, N., O'Reilly, S., Spinelli, J. J., Sutherland, J., Wilson, K. S., Gascoyne, R. D., & Connors, J. M. (2005). Introduction of Combined CHOP Plus Rituximab Therapy Dramatically Improved Outcome of Diffuse Large B-Cell Lymphoma in British Columbia. Journal of Clinical Oncology. https://doi.org/10.1200/jco.2005.09.137

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