OBJECTIVES: To analyse clinical features and predictors of survival for AIDS-related non-Hodgkin's lymphoma (NHL) in the era of highly active antiretroviral therapy (HAART), compared to earlier in the HIV epidemic. METHODS: All AIDS-NHL cases diagnosed at three inner Sydney hospitals caring for people with AIDS during 1985-2001 were identified through medical record searches. Demographic, clinical, immunological and histopathological information was recorded. Year of NHL diagnosis was grouped into three periods, corresponding to whether monotherapy (1985-1991), dual therapy (1992-1995) or HAART (1996-2001) was the main treatment for HIV infection. Statistical comparisons were made between the pre-HAART and post-HAART eras. RESULTS: Three hundred cases of AIDS-NHL were identified. Divergent trends were identified for systemic and primary central nervous system (CNS) NHL. For systemic NHL, the CD4 count at NHL diagnosis increased markedly to 208 cells/microL in the post-HAART era (P=0.014) and there was a trend towards presentation as the first AIDS-defining illness (69%, P=0.053), and as earlier stage NHL disease (42%, P=0.048). Median survival time increased from 4.2 months in 1985-1991 to 19 months in the post-HAART era (P<0.001). In a multivariate model, predictors of poor survival from systemic NHL included: NHL diagnosis after another AIDS-defining illness (P<0.001), stage 4 NHL (P<0.001), presentation at extra lymphatic sites (P=0.001), and nonreceipt of chemotherapy (P=0.002). After adjusting for the factors, those diagnosed in the era of HAART had a significant 56% reduction in rate of death (P<0.001). In contrast, for CNS NHL, clinical features were little changed and survival did not improve in the era of HAART. CONCLUSIONS: Systemic NHL is presenting earlier in the course of HIV disease, and at a less advanced NHL stage. There has been a marked improvement in survival in the era of HAART even after adjustment for other prognostic variables. In contrast, primary CNS NHL remains a disease which presents late in the course of HIV infection and is associated with a very poor prognosis.
OBJECTIVES: To analyse clinical features and predictors of survival for AIDS-related non-Hodgkin's lymphoma (NHL) in the era of highly active antiretroviral therapy (HAART), compared to earlier in the HIV epidemic. METHODS: All AIDS-NHL cases diagnosed at three inner Sydney hospitals caring for people with AIDS during 1985-2001 were identified through medical record searches. Demographic, clinical, immunological and histopathological information was recorded. Year of NHL diagnosis was grouped into three periods, corresponding to whether monotherapy (1985-1991), dual therapy (1992-1995) or HAART (1996-2001) was the main treatment for HIV infection. Statistical comparisons were made between the pre-HAART and post-HAART eras. RESULTS: Three hundred cases of AIDS-NHL were identified. Divergent trends were identified for systemic and primary central nervous system (CNS) NHL. For systemic NHL, the CD4 count at NHL diagnosis increased markedly to 208 cells/microL in the post-HAART era (P=0.014) and there was a trend towards presentation as the first AIDS-defining illness (69%, P=0.053), and as earlier stage NHL disease (42%, P=0.048). Median survival time increased from 4.2 months in 1985-1991 to 19 months in the post-HAART era (P<0.001). In a multivariate model, predictors of poor survival from systemic NHL included: NHL diagnosis after another AIDS-defining illness (P<0.001), stage 4 NHL (P<0.001), presentation at extra lymphatic sites (P=0.001), and nonreceipt of chemotherapy (P=0.002). After adjusting for the factors, those diagnosed in the era of HAART had a significant 56% reduction in rate of death (P<0.001). In contrast, for CNS NHL, clinical features were little changed and survival did not improve in the era of HAART. CONCLUSIONS: Systemic NHL is presenting earlier in the course of HIV disease, and at a less advanced NHL stage. There has been a marked improvement in survival in the era of HAART even after adjustment for other prognostic variables. In contrast, primary CNS NHL remains a disease which presents late in the course of HIV infection and is associated with a very poor prognosis.
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