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Title: Improved survival for non-Hodgkin lymphoma patients in New South Wales, Australia
Authors: Yu XQ; Chen WH; O'Connell DL
Categories: Cancer Type - Non-Hodgkins Lymphoma
Cancer Control, Survivorship, and Outcomes Research - Surveillance
Keywords: Australia; survival; trends; Wales; Clinical Trials; diagnosis; Incidence; Lymphoma; methods; mortality; New South Wales; Risk
Year: 2009
Journal Title: BMC Cancer
Volume: 10
Issue: 1
Page number start: 231
Abstract: ABSTRACT: BACKGROUND: We evaluated if the survival benefit of adding rituximab to standard chemotherapy for non-Hodgkin lymphoma (NHL) observed in clinical trials has been experienced by an Australian NHL patient population. METHODS: NHL cases diagnosed in 1985-2004 in New South Wales (NSW) were followed-up to the end of 2004. Rituximab prescription data were obtained from Medicare Australia. Using a Poisson regression model adjusted for age group, sex, NHL subtype and time period (1990-1994, 1995-1999 and 2000-2004), we estimated excess risk of death after a diagnosis of NHL. To give context to the survival trend, trends in incidence and mortality were also estimated. RESULTS: Compared with 1990-1994, after adjusting for age, sex and NHL subtype the relative excess risk of death was significantly lower (p<0.0001) in 1995-1999 (0.89) and 2000-2004 (0.74). A sharp fall in mortality was observed from 2000 to 2004 (annual percentage change (APC) = -4.7, p=0.009), while a small but significant rise in incidence was seen from 1990 to 2004 (APC = 0.5, p=0.01). The number of times rituximab was dispensed in NSW increased rapidly from 1274 in 1999 to 9250 in 2004. CONCLUSION: It is likely that some benefit of adding rituximab to the standard chemotherapy for NHL has been experienced at the population level
Programme: Health Services Research; NHL Survival
Division: Cancer Research Division
Appears in Collections:Research Articles

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