Article ID Journal Published Year Pages File Type
3405993 Journal of Infection and Public Health 2015 10 Pages PDF
Abstract

SummaryAfter highly active antiretroviral therapy (HAART) became widespread, several studies demonstrated changes in the incidence of defining and non-defining AIDS cancers among HIV/AIDS patients. We conducted a systematic review of observational studies evaluating the incidence of malignancies before and after the introduction of HAART in people with HIV/AIDS. Eligible studies were searched up to December 2012 in the following databases: Pubmed, Embase, Scielo, Cancerlit and Google Scholar. In this study, we determined the cancer risk ratio by comparing the pre- and post-HAART eras. Twenty-one relevant articles were found, involving more than 600,000 people with HIV/AIDS and 10,891 new cases of cancers. The risk for the development of an AIDS-defining cancer decreased after the introduction of HAART: Kaposi's sarcoma (RR = 0.30, 95% CI: 0.28–0.33) and non-Hodgkin's lymphoma (RR = 0.52, 95% CI: 0.48–0.56), in contrast to invasive cervical cancer (RR = 1.46, 95% CI: 1.09–1.94). Among the non-AIDS-defining cancers, the overall risk increased after the introduction of HAART (RR = 2.00, 95% CI: 1.79–2.23). The incidence of AIDS-defining cancers decreased and the incidence of non-AIDS-defining cancers increased after the early use of HAART, probably due to better control of viral replication, increased immunity and increased survival provided by new drugs.

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