Dually Active HIV/HBV Antiretrovirals Protect Against Incident Hepatitis B Infections: Potential for Prophylaxis.

Shilaih, Mohaned; Marzel, Alex; Scherrer, Alexandra U; Braun, Dominique L; Kovari, Helen; Rougemont, Mathieu; Darling, Katharine; Battegay, Manuel; Hoffmann, Matthias; Bernasconi, Enos; Hirzel, Cédric; Günthard, Huldrych F; Kouyos, Roger (2016). Dually Active HIV/HBV Antiretrovirals Protect Against Incident Hepatitis B Infections: Potential for Prophylaxis. Journal of infectious diseases, 214(4), jiw195. Oxford University Press 10.1093/infdis/jiw195

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BACKGROUND

Hepatitis-B virus (HBV) has a detrimental effect on HIV natural course, and HBV vaccination is less effective in the HIV infected. We examine the protective effect of dually active antiretroviral therapy (DAART) for HIV/HBV (Tenofovir/Lamivudine/Emtricitabine) in a large cohort encompassing heterosexuals, men-who-have-sex-with-men (MSM), and intravenous drug users (IDU), who are HIV-infected yet susceptible to HBV, with comprehensive follow-up data about risky behavior and immunological profile.

METHODS

We defined an incident HBV infection as the presence of any of HBV serological markers (HBsAg/AntiHBc/HBV-DNA) following a negative baseline AntiHBc test. Patients with positive AntiHBs were excluded. Cox proportional hazard models were utilized, with an incident case of HBV infection as the outcome variable.

RESULTS

We analyzed 1,716 eligible patients from the Swiss HIV Cohort Study with 177 incident HBV cases. DAART was negatively associated with incident HBV infection (hazard ratio 0.4, 95%CI 0.2-0.6). This protective association was robust to adjustment (0.3, 0.2-0.5) for condomless sex, √CD4 count, drug use, and patients' demographics. Condomless sex (1.9,1.4-2.6), belonging to MSM (2.7,1.7-4.2) or IDU (3.8,2.4-6.1) were all associated with higher HBV hazard.

CONCLUSIONS

Our study suggests that DAART, independently of CD4 count and risky behavior, has a potentially strong public health impact including pre-exposure prophylaxis of HBV co-infection.

Item Type:

Journal Article (Original Article)

Division/Institute:

04 Faculty of Medicine > Department of Haematology, Oncology, Infectious Diseases, Laboratory Medicine and Hospital Pharmacy (DOLS) > Clinic of Infectiology

UniBE Contributor:

Hirzel, Cédric

Subjects:

600 Technology > 610 Medicine & health

ISSN:

0022-1899

Publisher:

Oxford University Press

Language:

English

Submitter:

Annelies Luginbühl

Date Deposited:

05 Jul 2016 11:09

Last Modified:

05 Dec 2022 14:56

Publisher DOI:

10.1093/infdis/jiw195

PubMed ID:

27190182

BORIS DOI:

10.7892/boris.82645

URI:

https://boris.unibe.ch/id/eprint/82645

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