Safety and immunogenicity of BNT162b2 in ART-treated PWH

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ID: 318100
2026
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Abstract
Abstract Background People with human immunodeficiency virus (PWH) are at increased risk of severe COVID-19 and are recommended for priority vaccination. We investigated the safety and immunogenicity of a two-dose regimen of the mRNA vaccine BNT162b2 in PWH on antiretroviral therapy (ART). Methods Safety, reactogenicity and immunogenicity data were obtained from PWH on ART ≥16 years enrolled in the Phase 1/2/3 BNT162-02 trial/C4591001 (NCT04368728) between September and November 2020, which randomized participants (1:1) to receive BNT162b2 or placebo. Immunogenicity was also investigated in a sub-study of the open-label Phase 1/2 BNT162-01 trial (NCT04380701) in PWH 18–85 years and age- and sex- matched HIV-negative controls enrolled February to March 2021. Results In total, 201 PWH were included from the BNT162-02 trial. Higher rates of local and systemic reactions were reported during the seven days following both doses by participants administered BNT162b2 vs participants administered placebo, most notably pain at injection site, fatigue, headache, and chills. Most reactions were mild-to-moderate in severity. No serious adverse events occurred up to 1-month post-Dose 2. Spike protein-binding and SARS-CoV-2 neutralizing antibody responses were elicited in participants who received BNT162b2 and remained above prevaccination baseline levels through 6 months post-Dose 2. In the BNT162-01 trial, all PWH (N = 15) seroconverted, with BNT162b2-induced SARS-CoV-2 neutralization titers and longitudinal T-cell responses similar to those observed in the HIV-negative cohort. Conclusions Primary two-dose vaccination with BNT162b2 in PWH was well tolerated and immunogenic with sustained responses up to 6 months, supporting vaccination in this priority population.
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Authors Essack Mitha, Mezgebe Berhe, Judith A. Aberg, Christopher Lucasti, Fadi Chalhoub, Nicholas Kitchin, Isabel Vogler, Stephen Lockhart, Sina Fuchs, Jasmin Quandt, William C. Gruber, Chris Webber, Marie-Cristine Kühnle, Alexander Muik, Bonny Gaby Lui, Maria J G T Vehreschild, Christoph Stephan, Meghan Bushway, Xia Xu, Todd Belanger, James Trammel Price, S. Liebscher, Ruth Bailey, Susan Mather, Elizabeth M. Adams, Svetlana Shpyro, Eleni Lagkadinou, Özlem Türeci, Kena A. Swanson, Uğur Şahin, Alejandra Gurtman
Journal Open forum infectious diseases
Year 2026
DOI
10.1093/ofid/ofag310
URL
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