Sarra Yacoub, Manel Ben Selma, Souha Ghachem, Marien Ben Ticha, Hela Knani, Mariem Garma, Taghrid Tlili, Safouene Frini, Badreddine Sriha, Wissem Hachfi
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引用次数: 0
Abstract
Background: Despite major advances in antiretroviral therapy (ART), HIV-associated malignancies remain a significant cause of morbidity and mortality in low- and middle-income countries. In Tunisia, data on AIDS-defining cancers (ADCs) and non-AIDS-defining cancers (NADCs) among people living with HIV (PLWH) remain scarce.
Methods: We conducted a descriptive retrospective cohort study over a 30-year period (1994-2024) at Farhat Hached University Hospital, Sousse, Tunisia. All PLWH who developed at least one malignant neoplasm were included. Epidemiological, clinical, immunovirological, pathological, and outcome data were retrospectively collected and analyzed.
Results: Among 655 PLWH followed during the study period, 25 patients with a median age of 36 years developed malignancies, representing 3.8% of all PLWH. 27 malignancies were identified with 2 patients developing 2 distinct malignancies: a Kaposi sarcoma (KS) and a Non-AIDS-defining cancer (NADC). AIDS-defining cancers (ADC) predominated (81.5%), mainly KS (44.4%) and non-Hodgkin lymphoma (33.3%), while NADCs accounted for 18.5%. Cancer and HIV diagnoses were concomitant in 56% of patients (n = 14) and 92% of malignancies occurred within the first year following HIV diagnosis. Most patients presented with advanced immunodeficiency, with median CD4 counts at tumor diagnosis of 73 cells/mm³ for ADCs and 57 cells/mm³ for NADCs. Median overall survival was 1.9 years for ADCs and 3.7 years for NADCs.
Conclusions: In this North African cohort, HIV-associated malignancies were predominantly AIDS-defining and affected young adults with advanced immunosuppression, reflecting late HIV diagnosis for PLWH developing malignancies. Beyond strengthening early HIV testing and timely ART initiation, targeted patient education focusing on high-risk behaviors, along with efforts to reduce HIV-related stigma, are essential components to improve cancer prevention, early diagnosis, and outcomes among PLWH in resource-limited settings.
期刊介绍:
Infectious Agents and Cancer is an open access, peer-reviewed online journal that encompasses all aspects of basic, clinical, epidemiological and translational research providing an insight into the association between chronic infections and cancer.
The journal welcomes submissions in the pathogen-related cancer areas and other related topics, in particular:
• HPV and anogenital cancers, as well as head and neck cancers;
• EBV and Burkitt lymphoma;
• HCV/HBV and hepatocellular carcinoma as well as lymphoproliferative diseases;
• HHV8 and Kaposi sarcoma;
• HTLV and leukemia;
• Cancers in Low- and Middle-income countries.
The link between infection and cancer has become well established over the past 50 years, and infection-associated cancer contribute up to 16% of cancers in developed countries and 33% in less developed countries.
Preventive vaccines have been developed for only two cancer-causing viruses, highlighting both the opportunity to prevent infection-associated cancers by vaccination and the gaps that remain before vaccines can be developed for other cancer-causing agents. These gaps are due to incomplete understanding of the basic biology, natural history, epidemiology of many of the pathogens that cause cancer, the mechanisms they exploit to cause cancer, and how to interrupt progression to cancer in human populations. Early diagnosis or identification of lesions at high risk of progression represent the current most critical research area of the field supported by recent advances in genomics and proteomics technologies.