ArticleNature communications2025
Distinct gastrointestinal microbial signatures predict parasite levels in controlled Plasmodium infections in both rhesus macaques and humans.
Article in Nature communications, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT04072302 (A Two-part, Randomized, Double-blind, Placebo-controlled, Single-center Study to Evaluate the Safety and Causal Prophylactic Efficacy of KAF156 in a Controlled Human Malaria Challenge Model), which is not on this map. Cited by 2 papers.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
A Two-part, Randomized, Double-blind, Placebo-controlled, Single-center Study to Evaluate the Safety and Causal Prophylactic Efficacy of KAF156 in a Controlled Human Malaria Challenge Model
Who cites it
2 citing papers in PubMed.
- Intestinal Barrier Loss Enables Microbiota-Mediated Purinergic Suppression During Malaria.bioRxiv : the preprint server for biology · 2026Article
- Distinct gastrointestinal microbial signatures predict parasite levels in controlled Plasmodium infections in both rhesus macaques and humans.Nature communications · 2025Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
15 authors.
Funding
Abstract
Functions of the gastrointestinal (GI) microbiome include maintenance of immune homeostasis and protection against infectious disease. Current assessments of the role of the GI microbiome in Plasmodium infection have been primarily conducted using mouse models and observational human cohorts. Here, we experimentally assessed associations between pre-infection GI microbiome composition and acute Plasmodium parasitemia using 16S rRNA sequencing and samples from rhesus macaques (RMs) and adult humans enrolled in a previously conducted controlled human malaria infection (CHMI) trial (NCT04072302) originally designed to test the efficacy of KAF156, a novel imidazolopiperazine class of antimalarial drugs. We identified distinct pre-infection 16S microbial signatures that were associated with increased risk for above median parasitemia in RMs infected with P. fragile and CHMI participants infected with P. falciparum. Further, we identified a Bifidobacterium feature set that accurately stratified parasitemia risk and could therefore serve as a foundation for a potential biomarker panel to aid prevention efforts in malaria endemic regions. Together, our findings demonstrate that pre-infection GI microbiome composition is indicative of risk for Plasmodium parasitemia, and our observation that the pre-infection microbiome-P. fragile dynamic in RMs mirrors the pre-infection microbiome-P. falciparum interaction in CHMI participants supports the future use of this model in pre-clinical investigations of novel microbiome-targeting approaches to reduce malaria burden.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.