期刊
CLINICAL INFECTIOUS DISEASES
卷 66, 期 10, 页码 1519-1527出版社
OXFORD UNIV PRESS INC
DOI: 10.1093/cid/cix1068
关键词
primary HIV-1 infection; antiretroviral therapy; inflammation; T-cell activation; HIV DNA
资金
- French National Agency for Research on AIDS and Viral Hepatitis (ANRS)
- Paris Sud University
Background. We aimed to determine the consequences of delayed human immunodeficiency virus type 1 (HIV-1) infection diagnosis by comparing long-term outcomes depending on the time of combination antiretroviral therapy (cART) initiation in patients diagnosed during primary HIV infection (PHI). Methods. We selected patients from the French National Agency for Research on AIDS and Viral Hepatitis (ANRS) PRIMO co-hort, treated for >= 36 months, with sustained HIV RNA < 50 copies/mL: 77 treated within 1 month following PHI diagnosis (immediate ART) and 73 treated > 12 months after infection (deferred ART). We measured inflammatory biomarkers from PHI through the last visit on cART, and CD4+ and CD8+ T-cell activation and plasma ultrasensitive HIV RNA at the last visit. Inflammation/activation levels were compared with those of uninfected controls. We modeled CD4+ count, CD4:CD8 ratio, and HIV DNA dynamics on cART. Results. The decrease of HIV DNA levels was more marked in the immediate than deferred ART group, leading to a sustained mean difference of -0.6 log10 copies/106 peripheral blood mononuclear cells. Immediate ART led to improved CD4+ T-cell counts and CD4:CD8 ratios over the first 4 years of cART. At the last visit (median, 82 months), there was no difference between groups in CD4+ counts, CD4:CD8 ratio, ultrasensitive HIV RNA, or inflammation/activation marker levels. Long-term suppressive cART failed to normalize inflammation levels, which were not associated with immunovirological markers. Conclusions. Antiretroviral therapy initiated during PHI promotes long-term reduction of HIV reservoir size. In patients with sustained virologic suppression, inflammation may be driven by non-HIV-related factors.
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