How maternal antibodies protect infants from group B Streptococcus and respiratory syncytial virus.

Functional longevity of maternally derived antibodies against group B Streptococcus and respiratory syncytial virus in HIV-exposed uninfected and HIV-unexposed uninfected infants.

NIH-funded research University of Cape Town · NIH-11010383

This study is looking at how well antibodies from vaccinated mothers can help protect their babies, especially those at risk for HIV, from serious infections like group B Streptococcus and respiratory syncytial virus, which can be dangerous for newborns.

Quick facts

Grant typeR21 grant
Study typeNIH-funded research
Funding institutionUniversity of Cape Town NIH-funded
Lab location1 site (Rondebosch, South Africa)
Project IDNIH-11010383 on NIH RePORTER

What this research studies

This research investigates the effectiveness of maternal antibodies in protecting infants, particularly those exposed to HIV, from group B Streptococcus (GBS) and respiratory syncytial virus (RSV), which are leading causes of neonatal deaths. The study aims to understand how maternal vaccines can enhance antibody levels in mothers and how these antibodies transfer to infants. By examining the longevity and functionality of these antibodies, the research seeks to establish benchmarks for vaccine efficacy, especially in low-middle income countries where these infections are most prevalent. The approach includes immuno-bridging studies to correlate antibody concentrations with disease protection.

Who could benefit from this research

Good fit: Ideal candidates for this research are infants under 4 weeks old, particularly those who are HIV-exposed but uninfected.

Not a fit: Patients who are older than 4 weeks or those who are HIV-infected may not benefit from this research.

Why it matters

Potential benefit: If successful, this research could lead to improved maternal vaccination strategies that significantly reduce infant mortality from GBS and RSV.

How similar studies have performed: Other research has shown promise in using maternal vaccines to protect infants from infectious diseases, making this approach both relevant and potentially impactful.

Where this research is happening

Rondebosch, South Africa

Researchers

About this research

  1. This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
  2. Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
  3. For full project details, budget, and progress reports, visit the official NIH RePORTER page below.
Conditions Acquired Immune Deficiency Syndrome VirusAcquired Immunodeficiency Syndrome Virus
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.