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Review
. 2007 Jul 7;370(9581):59-67.
doi: 10.1016/S0140-6736(07)61050-2.

Incidence of cancers in people with HIV/AIDS compared with immunosuppressed transplant recipients: a meta-analysis

Andrew E Grulich  1 , Marina T van Leeuwen, Michael O Falster, Claire M Vajdic
Affiliations
Review

Incidence of cancers in people with HIV/AIDS compared with immunosuppressed transplant recipients: a meta-analysis

Andrew E Grulich et al. Lancet. .

Abstract

Background: Only a few types of cancer are recognised as being directly related to immune deficiency in people with HIV/AIDS. Large population-based studies in transplant recipients have shown that a wider range of cancers could be associated with immune deficiency. Our aim was to compare cancer incidence in population-based cohort studies of people with HIV/AIDS and people immunosuppressed after solid organ transplantation.

Methods: Two investigators independently identified eligible studies through searches of PubMed and reference lists. Random-effects meta-analyses of log standardised incidence ratios (SIRs) were calculated by type of cancer for both immune deficient populations.

Findings: Seven studies of people with HIV/AIDS (n=444,172) and five of transplant recipients (n=31 977) were included. For 20 of the 28 types of cancer examined, there was a significantly increased incidence in both populations. Most of these were cancers with a known infectious cause, including all three types of AIDS-defining cancer, all HPV-related cancers, as well as Hodgkin's lymphoma (HIV/AIDS meta-analysis SIR 11.03, 95% CI 8.43-14.4; transplant 3.89, 2.42-6.26), liver cancer (HIV/AIDS 5.22, 3.32-8.20; transplant 2.13, 1.16-3.91), and stomach cancer (HIV/AIDS 1.90, 1.53-2.36; transplant 2.04, 1.49-2.79). Most common epithelial cancers did not occur at increased rates.

Interpretation: The similarity of the pattern of increased risk of cancer in the two populations suggests that it is immune deficiency, rather than other risk factors for cancer, that is responsible for the increased risk. Infection-related cancer will probably become an increasingly important complication of long-term HIV infection.

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Comment in

  • Immunity, infection, and cancer.
    Clifford G, Franceschi S. Clifford G, et al. Lancet. 2007 Jul 7;370(9581):6-7. doi: 10.1016/S0140-6736(07)61023-X. Lancet. 2007. PMID: 17617251 No abstract available.

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