Why malaria vaccines work differently across communities

Baseline host and environmental factors that impact pre-erythrocytic malaria vaccine (hypo)responsiveness in endemic regions

NIH-funded research Leiden University Medical Center · NIH-11307568

Looking at how a person's environment and immune system affect whether a vaccine that targets the malaria parasite before it reaches the blood protects people living where malaria is common.

Quick facts

Grant typeU01 cooperative agreement
Study typeNIH-funded research
Funding institutionLeiden University Medical Center NIH-funded
Lab location1 site (Leiden, Netherlands)
Project IDNIH-11307568 on NIH RePORTER

What this research studies

This project compares people from different communities in malaria-endemic countries to understand why vaccine protection varies. Researchers will collect blood samples and use modern 'omics' tests (like transcriptomics) to measure immune signals and other biological markers. Methods will be harmonized across sites so results from different countries and settings can be compared directly. The goal is to identify environmental and host factors—such as prior infections, local exposures, or age—that change how well early-stage malaria vaccines work.

Who could benefit from this research

Good fit: People living in malaria-endemic areas (often in parts of Africa) who are enrolled in vaccine cohorts or willing to give blood samples and health information would be ideal candidates.

Not a fit: People who do not live in malaria-endemic regions or who cannot receive vaccines are unlikely to be helped directly by participation.

Why it matters

Potential benefit: If successful, this work could help make malaria vaccines more effective where they are needed most by guiding better vaccine design or targeted use.

How similar studies have performed: Other vaccine studies using transcriptomics and related 'omics' have provided promising clues, but a harmonized, multi-country approach for malaria vaccines remains largely untested.

Where this research is happening

Leiden, Netherlands

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.
Last reviewed 2026-06-09 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.