Evidence map›Paper›PMID 19651872›Full record

Trial reportInfection and immunity2009

Plasmodium falciparum-specific cellular immune responses after immunization with the RTS,S/AS02D candidate malaria vaccine in infants living in an area of high endemicity in Mozambique.

Arnoldo Barbosa, Denise Naniche, John J Aponte, M Nelia Manaca, Inacio Mandomando, Pedro Aide, Jahit Sacarlal, Montse Renom, Sarah Lafuente, W Ripley Ballou and 1 more

Open access · bronzeAbstract readClinical Trial, Phase IClinical Trial, Phase IIRandomized Controlled Trial
In one paragraph

Trial report in Infection and immunity, 2009. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed, 1 pooled it
6.2field-weighted citation impact, top 4% of its field
1 · What the graph read from 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.

2 · The registry

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.

3 · Its place in the literature

Who cites it

27 citing papers in PubMed, 1 synthesis or guideline pooled it, 43 citations in OpenAlex.

  1. Pooled it
  2. The Anti-Circumsporozoite Antibody Response of Children to Seasonal Vaccination With the RTS,S/AS01E Malaria Vaccine.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2022
    Trial
  3. Distinct Helper T Cell Type 1 and 2 Responses Associated With Malaria Protection and Risk in RTS,S/AS01E Vaccinees.Clinical infectious diseases : an official publication of the Infectious Diseases Society of America · 2017
    Trial
  4. Trial
  5. Trial
  6. Trial
  7. Trial
  8. Trial
  9. Article
  10. Effect of RTS,S/AS01NPJ vaccines · 2024
    Article
  11. Article
  12. Article
  13. Adjuvanted influenza vaccines.Human vaccines & immunotherapeutics · 2018
    Review
  14. Review
  15. Article
  16. Article
  17. Article
  18. Article
  19. Article
  20. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

11 authors at 5 institutions in 3 countries.

Arnoldo BarbosaCentro de Investigação en Saúde de Manhiça, Manhiça, Mozambique.
Denise Naniche
John J Aponte
M Nelia Manaca
Inacio Mandomando
Pedro Aide
Jahit Sacarlal
Montse Renom
Sarah Lafuente
W Ripley Ballou
Pedro L Alonso
Manhiça Health Research Centre · MZUniversitat de Barcelona · ESEduardo Mondlane University · MZGlaxoSmithKline (Belgium) · BEMinistry of Health · MZ

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Results from clinical trials in areas where malaria is endemic have shown that immunization with RTS,S/AS02A malaria vaccine candidate induces partial protection in adults and children and cellular effector and memory responses in adults. For the first time in a malaria vaccine trial, we sought to assess the cell-mediated immune responses to RTS,S antigen components in infants under 1 year of age participating in a clinical phase I/IIb trial of RTS,S/AS02D in Mozambique. Circumsporozoite protein (CSP)-specific responses were detected in approximately half of RTS,S-immunized infants and included gamma interferon (IFN-gamma), interleukin-2 (IL-2), and combined IL-2/IL-4 responses. The median stimulation indices of cytokine-producing CD4(+) and CD8(+) cells were very low but significantly higher in RTS,S-immunized infants than in infants that received the comparator vaccine. Protection against subsequent malarial infection tended to be associated with a higher percentage of individuals with CSP-specific IL-2 in the supernatant (P = 0.053) and with higher CSP-specific IFN-gamma-producing CD8(+) T-cell responses (P = 0.07). These results report for the first time the detection of malaria-specific cellular immune responses after vaccination of infants less than 1 year of age and pave the way for future field studies of cellular immunity to malaria vaccine candidates.

Indexed as

AdultAnimalsCD4-Positive T-LymphocytesCD8-Positive T-LymphocytesFemaleHumansInfantInfant, NewbornInterferon-gammaInterleukin-2Interleukin-4Leukocytes, MononuclearMalaria, FalciparumMalaria VaccinesMozambiquePlaceboscircumsporozoite protein, ProtozoanInterferon-gammaInterleukin-2Interleukin-4Malaria VaccinesPlacebosProtozoan ProteinsRTS,S-AS02D vaccine

Identifiers

PMID19651872
PMCPMC2747951
OpenAlexW2097340000

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.