Antibody fine specificity correlates with protection from malaria for the RTS,S vaccine in young African children: A post hoc analysis of a phase IIb randomised controlled trial
PLOS Medicine·
- DOI
- 10.1371/journal.pmed.1004877
- PMID
- 42133737
- PMCID
- PMC13186370
- OpenAlex
- W7161199452
- Study type
- Randomised controlled trial
- Publisher
- Public Library of Science (PLoS)
- Article type
- journal-article
- Integrity
- current
Why this research matters now
Mapping these precise humoral targets may assist researchers in designing future immunizations with enhanced longevity and defensive capability.
Structured evidence summary
Research question
The investigation aims to clarify undefined immune mechanisms and identify specific antibody markers linked to vaccine effectiveness against malaria.
Study design
Researchers conducted a post hoc evaluation of immunological data drawn from a phase IIb randomized controlled trial, supplemented by preclinical murine experiments and monoclonal antibody assays.
Population and setting
The clinical component enrolled children between one and four years of age, while animal models provided supplementary preclinical data.
Main findings
Elevated immunoglobulin G levels directed toward particular NANP-repeat and adjacent N-terminal sequences corresponded with a measurable decline in clinical malaria cases relative to participants with weaker responses. Cross-reactive binding patterns across distinct peptide regions were also documented.
Public-health relevance
Mapping these precise humoral targets may assist researchers in designing future immunizations with enhanced longevity and defensive capability.
Important limitations
The analysis relies on retrospective marker evaluation within an existing trial framework rather than prospective validation. Furthermore, this summary depends exclusively on the provided abstract and metadata, requiring the original manuscript for decision-grade interpretation.
GIDS interpretation
This work supplies baseline immunological context regarding vaccine-induced antibody profiles relevant to malaria prevention research. It serves as a reference for understanding humoral markers without suggesting active epidemiological monitoring or real-time signal detection.
Related GIDS surveillance
Literature context does not validate, explain, or change a surveillance signal. Exact and contextual relationships are shown separately.
Evidence relationships
This article has 11 auditable classifier relationships to diseases, places, topics, and study design.