ArticleThe Journal of infectious diseases2011
Preclinical prophylactic efficacy testing of Sm-p80-based vaccine in a nonhuman primate model of Schistosoma mansoni infection and immunoglobulin G and E responses to Sm-p80 in human serum samples from an area where schistosomiasis is endemic.
Article in The Journal of infectious diseases, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers, 1 of them a synthesis that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
49 citing papers in PubMed, 1 synthesis or guideline pooled it, 71 citations in OpenAlex.
- Safety and efficacy of toll-like receptor agonists as therapeutic agents and vaccine adjuvants for infectious diseases in animals: a systematic review.Frontiers in veterinary science · 2024Pooled it
- Safety and immunogenicity of the Sm-p80 GLA-SE schistosomiasis vaccine.NPJ vaccines · 2025Article
- Potential biomarker and composite efficacy readout for human clinical trials of schistosomiasis vaccine in Africa.Scientific reports · 2025Article
- Pre-clinical studies of Schistosoma mansoni vaccines: A scoping review.PLoS neglected tropical diseases · 2025Article
- A functional enzymatic assay as potential readout for a clinical trial of a schistosomiasis vaccine.NPJ vaccines · 2025Article
- Application of microphysiological systems to unravel the mechanisms of schistosomiasis egg extravasation.Frontiers in cellular and infection microbiology · 2025Review
- The efficacy of cercarial antigen loaded on nanoparticles as a potential vaccine candidate inJournal of parasitic diseases : official organ of the Indian Society for Parasitology · 2024Article
- Schistosoma mansoni vaccine candidates identified by unbiased phage display screening in self-cured rhesus macaques.NPJ vaccines · 2024Article
- Therapeutic and vaccinomic potential of moonlighting proteins for the discovery and design of drugs and vaccines against schistosomiasis.American journal of translational research · 2024Review
- Experimental Validation of MHC Class I and II Peptide-Based Potential Vaccine Candidates for Human Papilloma Virus Using Sprague-Dawly Models.Molecules (Basel, Switzerland) · 2023Article
- Vaccines for Human Schistosomiasis: Recent Progress, New Developments and Future Prospects.International journal of molecular sciences · 2022Review
- Recent Advances and Methodological Considerations on Vaccine Candidates for Human Schistosomiasis.Frontiers in tropical diseases · 2021Article
- Review
- Immunological Considerations forFrontiers in immunology · 2021Review
- Immunomics-Guided Antigen Discovery for Praziquantel-Induced Vaccination in Urogenital Human Schistosomiasis.Frontiers in immunology · 2021Article
- Current status and future prospects of protein vaccine candidates againstParasite epidemiology and control · 2020Review
- Schistosomiasis vaccine development: update on human clinical trials.Journal of biomedical science · 2020Review
- Fifteen Years of Sm-p80-Based Vaccine Trials in Nonhuman Primates: Antibodies From Vaccinated Baboons Confer ProtectionFrontiers in immunology · 2020Article
- Vaccination or mass drug administration against schistosomiasis: a hypothetical cost-effectiveness modelling comparison.Parasites & vectors · 2019Article
- Journal of investigative medicine : the official publication of the American Federation for Clinical Research · 2018Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
12 authors at 5 institutions in 2 countries.
Funding
Abstract
The prophylactic efficacy of a schistosome antigen (Sm-p80) was tested in a nonhuman primate model, the baboon. Using a total of 28 baboons, different vaccination strategies were used including recombinant Sm-p80 protein formulated in Toll-like receptor 7 and Toll-like receptor 9 agonists, and DNA priming followed by boosting with protein plus adjuvants. Recombinant protein approaches provided levels of prophylactic efficacy of 52%-58%, whereas prime-boost approaches conferred 38%-47% protection in baboons. An appropriately balanced pro-inflammatory (T-helper 17 [Th17] and Th1) and anti-inflammatory (Th2) type of response was generated; the Th1 and Th17 types of immune responses appear to be indicative of increased prophylactic efficacy. Production and expression of several cytokines (interleukin 2 [IL-2], interferon γ, IL-12α, IL-1β, IL-6, and IL-22) were up-regulated in vaccinated animals. Human correlate studies revealed Sm-p80 reactivity with immunoglobulin G in human serum samples from schistosome-infected individuals. In addition, a complete lack of prevailing Sm-p80-specific immunoglobulin E in a high-risk or infected population was observed, thus minimizing the risk of hypersensitivity reaction following vaccination with Sm-p80 in humans. This study provided the proof of concept to move Sm-p80 forward into further preclinical development leading to human clinical trials.
Indexed as
Identifiers
What OpenQuestion holds
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 OpenQuestion graph.