The association between hepatitis B virus infection and nonliver malignancies in persons living with HIV: results from the EuroSIDA study.

Mocroft, Amanda; Miro, Jose M; Wandeler, Gilles; Llibre, Josep M; Boyd, Anders; van Bremen, Kathrin; Beniowski, Marek; Mikhalik, Julia; Cavassini, Matthias; Maltez, Fernando; Duvivier, Claudine; Uberti Foppa, Caterina; Knysz, Brygida; Bakowska, Elzbieta; Kuzovatova, Elena; Domingo, Pere; Zagalo, Alexandra; Viard, Jean-Paul; Degen, Olaf; Milinkovic, Ana; ... (2022). The association between hepatitis B virus infection and nonliver malignancies in persons living with HIV: results from the EuroSIDA study. HIV medicine, 23(6), pp. 585-598. Wiley 10.1111/hiv.13210

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OBJECTIVES

The aim of this study was to assess the impact of hepatitis B virus (HBV) infection on non-liver malignancies in people living with HIV (PLWH).

METHODS

All persons aged ≥ 18 years with known hepatitis B virus (HBV) surface antigen (HBsAg) status after the latest of 1 January 2001 and enrolment in the EuroSIDA cohort (baseline) were included in the study; persons were categorized as HBV positive or negative using the latest HBsAg test and followed to their first diagnosis of nonliver malignancy or their last visit.

RESULTS

Of 17 485 PLWH included in the study, 1269 (7.2%) were HBV positive at baseline. During 151 766 person-years of follow-up (PYFU), there were 1298 nonliver malignancies, 1199 in those currently HBV negative [incidence rate (IR) 8.42/1000 PYFU; 95% confidence interval (CI) 7.94-8.90/1000 PYFU] and 99 in those HBV positive (IR 10.54/1000 PYFU; 95% CI 8.47-12.62/1000 PYFU). After adjustment for baseline confounders, there was a significantly increased incidence of nonliver malignancies in HBV-positive versus HBV-negative individuals [adjusted incidence rate ratio (aIRR) 1.23; 95% CI 1.00-1.51]. Compared to HBV-negative individuals, HBsAg-positive/HBV-DNA-positive individuals had significantly increased incidences of nonliver malignancies (aIRR 1.37; 95% CI 1.00-1.89) and NHL (aIRR 2.57; 95% CI 1.16-5.68). There was no significant association between HBV and lung or anal cancer.

CONCLUSIONS

We found increased rates of nonliver malignancies in HBsAg-positive participants, the increases being most pronounced in those who were HBV DNA positive and for NHL. If confirmed, these results may have implications for increased cancer screening in HIV-positive subjects with chronic HBV infection.

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