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Published on: September 6, 2019
Survival of Ugandan infants with subtype A and D HIV-1 infection (HIVNET 012)
Susan H Eshleman1, Laura A Guay, Thomas Fleming
1Department of Pathology, The Johns Hopkins Medical Institutions, Baltimore, Maryland 21205, USA. seshlem@jhmi.edu
Insights
Virologic factors like HIV-1 subtype A and D did not impact infant survival in Uganda. Further research is needed to understand if HIV-1 subtype influences pediatric HIV clinical outcomes.
Area of Science:
- Virology
- Immunology
- Pediatric Infectious Diseases
Background:
- Virologic factors, including human immunodeficiency virus type 1 (HIV-1) subtypes, may impact the survival rates of HIV-1-infected infants.
- Understanding these factors is crucial for improving pediatric HIV management.
Purpose of the Study:
- To compare the survival rates of Ugandan infants infected with HIV-1 subtype A versus subtype D.
- To investigate the influence of HIV-1 subtype on infant survival within the context of the HIVNET 012 trial.
Main Methods:
- Phylogenetic analysis of HIV-1 protease and reverse transcriptase sequences was used to determine subtypes.
- Data were collected from infants born to mothers enrolled in the Ugandan HIVNET 012 clinical trial.
Main Results:
- No statistically significant association was found between HIV-1 subtype (A vs. D) and infant survival in the studied cohort.
- Infant HIV-1 infection status was confirmed at 6 to 8 weeks of age.
Conclusions:
- HIV-1 subtype A and D do not appear to influence infant survival in this Ugandan cohort.
- Additional research is necessary to determine if HIV-1 subtype impacts clinical outcomes in pediatric HIV-1 infection.
Abstract:
Virologic factors may influence survival of HIV-1-infected infants. We compared survival of Ugandan infants with subtype A and subtype D HIV-1 infection. This study was performed in the context of the Ugandan clinical trial HIVNET 012, which compared the efficacy of single-dose nevirapine (NVP) and short-course zidovudine (AZT) for prevention of HIV-1 mother-to-child transmission. HIV-1 subtypes were determined by phylogenetic analysis of HIV-1 protease and reverse transcriptase sequences from 32 women in the NVP arm and 54 women in the AZT arm of HIVNET 012 whose infants were HIV-1 infected by 6 to 8 weeks of age. We found no association between HIV-1 subtype (A vs. D) and infant survival in this cohort. Further studies are needed to evaluate whether HIV-1 subtype influences clinical outcome in pediatric HIV-1 infection.
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