Evidence map›Paper›PMID 32898704›Full record

SynthesisTravel medicine and infectious disease

Fractional dose of intradermal compared to intramuscular and subcutaneous vaccination - A systematic review and meta-analysis.

Jenny L Schnyder, Cornelis A De Pijper, Hannah M Garcia Garrido, Joost G Daams, Abraham Goorhuis, Cornelis Stijnis, Frieder Schaumburg, Martin P Grobusch

Abstract readMeta-AnalysisSystematic Review
In one paragraph

Synthesis in Travel medicine and infectious disease. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 45 papers.

0numbers the graph read from it
0cells of the map it votes in
45citing papers in PubMed
–field-weighted citation impact
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

45 citing papers in PubMed.

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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

8 authors.

Jenny L SchnyderCentre for Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Division of Internal Medicine, Amsterdam UMC, Amsterdam Infection & Immunity, Amsterdam Public Health, University of Amsterdam, Meibergdreef 9, 1100 DD, Amsterdam, Netherlands.
Cornelis A De PijperCentre for Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Division of Internal Medicine, Amsterdam UMC, Amsterdam Infection & Immunity, Amsterdam Public Health, University of Amsterdam, Meibergdreef 9, 1100 DD, Amsterdam, Netherlands.
Hannah M Garcia GarridoCentre for Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Division of Internal Medicine, Amsterdam UMC, Amsterdam Infection & Immunity, Amsterdam Public Health, University of Amsterdam, Meibergdreef 9, 1100 DD, Amsterdam, Netherlands.
Joost G DaamsMedical Library, Amsterdam UMC, University of Amsterdam, Meibergdreef 9, Amsterdam, Netherlands.
Abraham GoorhuisCentre for Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Division of Internal Medicine, Amsterdam UMC, Amsterdam Infection & Immunity, Amsterdam Public Health, University of Amsterdam, Meibergdreef 9, 1100 DD, Amsterdam, Netherlands.
Cornelis StijnisCentre for Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Division of Internal Medicine, Amsterdam UMC, Amsterdam Infection & Immunity, Amsterdam Public Health, University of Amsterdam, Meibergdreef 9, 1100 DD, Amsterdam, Netherlands.
Frieder SchaumburgInstitute of Medical Microbiology, University Hospital Münster, Domagkstraße 10, 48149, Münster, Germany.
Martin P GrobuschCentre for Tropical Medicine and Travel Medicine, Department of Infectious Diseases, Division of Internal Medicine, Amsterdam UMC, Amsterdam Infection & Immunity, Amsterdam Public Health, University of Amsterdam, Meibergdreef 9, 1100 DD, Amsterdam, Netherlands. Electronic address: m.p.grobusch@amsterdamumc.nl.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundVaccine supply shortages are of global concern. We hypothesise that intradermal (ID) immunisation as an alternative to standard routes might augment vaccine supply utilisation without loss of vaccine immunogenicity and efficacy.

methodsWe conducted a systematic review and meta-analysis searching Medline, Embase and Web of Science databases. Studies were included if: licensed, currently available vaccines were used; fractional dose of ID was compared to IM or SC immunisation; primary immunisation schedules were evaluated; immunogenicity, safety data and/or cost were reported. We calculated risk differences (RD). Studies were included in meta-analysis if: a pre-defined immune correlate of protection was assessed; WHO-recommend schedules and antigen doses were used in the control group; the same schedule was applied to both ID and control groups (PROSPERO registration no. CRD42020151725).

resultsThe primary search yielded 5,873 articles, of which 156 articles were included; covering 12 vaccines. Non-inferiority of immunogenicity with 20-60% of antigen used with ID vaccines was demonstrated for influenza (H1N1: RD -0·01; 95% CI -0·02, 0·01; I

conclusionsThere is potential for inoculum/antigen dose-reduction by using ID immunisation as compared to standard routes of administration for some vaccines (e.g. influenza, rabies). When suitable, vaccine trials should include an ID arm.

Indexed as

Influenza A Virus, H1N1 SubtypeInfluenza VaccinesAdultAgedAntibodies, ViralChildHumansInjections, IntradermalInjections, IntramuscularVaccinationAntibodies, ViralInfluenza VaccinesAntibody responseDrug administration routesImmunisationIntradermal injectionIntramuscular injectionSubcutaneous injection

Identifiers

PMID32898704
PMCPMC7474844

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.