Clinical and Immunological Outcomes of HIV-Exposed Uninfected and HIV-Unexposed Uninfected Children in the First 24 Months of Life in Western Kenya

Author:

Ray Jessica E.1,Dobbs Katherine R.1,Ogolla Sidney O.2,Daud Ibrahim I.2,Midem David2,Omenda Maxwel M.2,Nowacki Amy S.3,Beeson James G.4,Sabourin Katherine R.5,Rochford Rosemary5,Dent Arlene E.1

Affiliation:

1. Case Western Reserve University

2. Kenya Medical Research Institute

3. Cleveland Clinic Lerner Research Institute

4. Burnet Institute

5. University of Colorado

Abstract

AbstractBackground Previous studies show increased morbidity in children who are HIV-exposed but uninfected (HEU) compared to children who are HIV-unexposed uninfected (HUU). We sought to evaluate the effects of prenatal HIV exposure on clinical and immunological outcomes in the first 24 months of life. Methods Eighty-five HEU and 168 HUU children from Kenya were followed from birth to 24 months. All mothers with HIV received combination antiretroviral therapy. HEU children received standard-of-care cotrimoxazole prophylaxis through 18 months. Episodes of acute illness were identified through a combination of active and passive follow up. Trajectories of plasma cytokines, vaccine-specific antibodies, and antimalarial antibodies were examined. Results HEU and HUU children had similar growth curves. HEU children had lower rates of malaria and respiratory illness. Trajectories of plasma cytokines and vaccine-specific antibodies were similar in HEU and HUU children. There were subtle differences in antimalarial antibody dynamics, in which HEU children had overall lower antibody levels against five of the 14 malaria antigens tested. Conclusions HEU children born to optimally treated mothers living with HIV had similar growth characteristics and immune profiles compared to HUU children. HEU children had reduced risk for malaria and respiratory illness, which may be secondary to cotrimoxazole prophylaxis.

Publisher

Research Square Platform LLC

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