Evidence map›Paper›PMID 10438868›Full record

Trial reportJournal of virology1999

Phase 1 evaluation of intranasal virosomal influenza vaccine with and without Escherichia coli heat-labile toxin in adult volunteers.

U Glück, J O Gebbers, R Glück

Open access · bronzeAbstract readClinical TrialClinical Trial, Phase IComparative Study
In one paragraph

Trial report in Journal of virology, 1999. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 25 papers.

0numbers the graph read from it
0cells of the map it votes in
25citing papers in PubMed
3.9field-weighted citation impact, top 5% 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

25 citing papers in PubMed, 135 citations in OpenAlex.

  1. Trial
  2. Trial
  3. Trial
  4. Article
  5. Article
  6. Article
  7. Noninvasive vaccination against infectious diseases.Human vaccines & immunotherapeutics · 2018
    Review
  8. Adjuvanted influenza vaccines.Human vaccines & immunotherapeutics · 2018
    Review
  9. Review
  10. Mucosal Vaccine Development Based on Liposome Technology.Journal of immunology research · 2016
    Review
  11. Article
  12. Strategies for intranasal delivery of vaccines.Drug delivery and translational research · 2013
    Article
  13. Article
  14. Article
  15. Article
  16. Article
  17. Article
  18. Review
  19. Article
  20. Immunization without needles.Nature reviews. Immunology · 2005
    Review
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

3 authors at 2 institutions in 1 country.

U GlückDivision of Occupational Medicine, SUVA Swiss National Accident Insurance Institute, CH-6002 Lucerne, Switzerland.
J O Gebbers
R Glück
Suva · CHSwiss Vaccine Research Institute · CH

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Virosomal vaccines were prepared by extracting hemagglutinin (HA) and neuraminidase from influenza virus and incorporating it in the membranes of liposomes composed of phosphatidylcholine. Two intranasal spray vaccine series were prepared: one series comprised 7.5 micrograms of HA of each of three strains recommended by the World Health Organization and 1 microgram of Escherichia coli heat-labile toxin (HLT), and the other contained the HA without HLT. In addition, a third vaccine preparation contained 15 micrograms of HA and 2 micrograms of HLT. The parenteral virosomal vaccine contained 15 micrograms of HA without additional adjuvant. The immunogenicity of a single spray vaccination (15 micrograms of HA and 2 micrograms of HLT) was compared with that of two vaccinations (7.5 micrograms of HA with or without 1 microgram of HLT) with an interval of 1 week in 60 healthy working adults. Twenty volunteers received one parenteral virosomal vaccine. Two nasal spray vaccinations with HLT-adjuvanted virosomal influenza vaccine induced a humoral immune response which was comparable to that with a single parenteral vaccination. A significantly higher induction of influenza virus-specific immunoglobulin A was noted in the saliva after two nasal applications. The immune response after a single spray vaccination was significantly lower. It could be shown that the use of HLT as a mucosal adjuvant is necessary to obtain a humoral immune response comparable to that with parenteral vaccination. All vaccines were well tolerated.

Indexed as

Escherichia coli ProteinsAdministration, IntranasalAdolescentAdultAntibodies, ViralBacterial ToxinsDrug CarriersEnterotoxinsEscherichia coliHemagglutinin Glycoproteins, Influenza VirusHumansImmunoglobulin AInfluenza A virusInfluenza VaccinesLeukocyte CountLiposomesAntibodies, ViralBacterial ToxinsDrug CarriersEnterotoxinsEscherichia coli Proteinsheat-labile enterotoxin, E coliHemagglutinin Glycoproteins, Influenza VirusImmunoglobulin AInfluenza VaccinesLiposomesNeuraminidase

Identifiers

PMID10438868
PMCPMC104305
OpenAlexW2103670619

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.