Recent survival trends in diffuse large B‐cell lymphoma––Have we made any progress beyond rituximab?

Autor: Narendranath Epperla, John L. Vaughn, Megan Othus, Abrahao Hallack, Luciano J. Costa
Jazyk: angličtina
Rok vydání: 2020
Předmět:
Zdroj: Cancer Medicine, Vol 9, Iss 15, Pp 5519-5525 (2020)
Druh dokumentu: article
ISSN: 2045-7634
DOI: 10.1002/cam4.3237
Popis: Abstract Background Population‐based studies previously showed an improvement in overall survival (OS) for patients with diffuse large B‐cell lymphoma (DLBCL) who received chemoimmunotherapy with rituximab. However, there is limited data (especially at the population level) that show a similar trend in OS improvement, in the most recent time period. We hypothesized that survival for DLBCL patients diagnosed in the United States has continued to improve in recent years and intended to measure outcome improvements. Methods Using the SEER‐18 registries, we compared the incidence and relative survival rates (RSRs) of DLBCL patients between 2002‐2007 and 2008‐2013 (availability of novel agents, broader use of autologous hematopoietic cell transplantation and improvement in supportive care). Multivariable Cox regression models were used to assess associations between the year of diagnosis and OS while controlling for age, gender, stage, and ethnicity. Results There were a total of 53 439 patients with DLBCL who were diagnosed between 2002 and 2013. Of these, 25 810 were diagnosed during time period‐1 and 27 629 diagnosed during time period‐2. There was a slight decline in incidence of DLBCL (time period‐1 vs time period‐2), 7.75 (95% CI = 7.66‐7.84) vs 7.43 (95% CI = 7.34‐7.52) cases per 100 000 persons, respectively (P
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