期刊
AIDS
卷 21, 期 14, 页码 1957-1963出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/QAD.0b013e3282ed6338
关键词
antiretrovirall therapy; cancer; CD4 T-cell counts; HIV; randomized clinical trials
资金
- NIAID NIH HHS [U01AI46362, U01AI042170] Funding Source: Medline
Objective: To compare rates of AIDS-defining and non-AIDS-defining malignancies between patients on a CD4 T-cell-guided antiretroviral therapy (ART) strategy and continuous ART. Design: A randomized clinical trial. Methods: Malignancy rates were compared between the drug conservation arm in which ART was stopped if the CD4 T-cell count exceeded 350 cells/mu l and (re)started if it fell to less than 250 cells/mu l and the viral suppression arm utilizing continuous ART. Cox models were used to examine baseline characteristics including age, sex, race, cigarette use, previous malignancies, CD4 T-cell and HIV-RNA levels, hepatitis B or C, and ART duration. Results: A total of 5472 participants were randomly assigned to treatment groups, of whom 70 developed cancer: 13 AIDS-defining malignancies and 58 non-AIDS-defining malignancies (one patient had both). The AIDS-defining malignancy rate per 1000 person-years was higher in the drug conservation arm (3.0 versus 0.5). Proximal CD4 T-cell and HIV RNA levels mediated much of this increased risk. The drug conservation arm also had higher rates of Kaposi's sarcoma (1.9 versus 0.3) and lymphoma (Hodgkin's and non-Hodgkin's; 1.1 versus 0.3). The non-AIDS-defining malignancy rate was similar between the drug conservation and viral suppression arms (8.8 versus 7.1). The most common non-AIDS-defining malignancies were skin (n = 16), lung (n = 8) and prostate (n = 6) cancers. Conclusion: Non-AIDS-defining malignancies were more common in this cohort than AIDS-defining malignancies. This analysis provides further evidence against the use of CD4 T-cell-guided ART because of a higher risk of AIDS-defining malignancies in addition to opportunistic infections and deaths. (C) 2007 Lippincott Williams & Wilkins.
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