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Live Versus Inactivated Influenza Vaccine Study in Hutterite Children

25. oktober 2018 opdateret af: McMaster University

A Randomized Controlled Trial of Live Attenuated Vaccine Versus Trivalent Inactivated Vaccine in Hutterite Children

There is uncertainty about whether a live attenuated vaccine (LAIV) offers additional benefit over inactivated trivalent influenza vaccine (TIV) in providing indirect benefit to those who are unvaccinated through herd immunity. The goal of this randomized clinical trial is to determine whether immunizing children in Hutterite colonies with LAIV can provide increased community-wide protection over TIV. Children aged 3 to 15 years in Hutterite colonies from Alberta and Saskatchewan will be randomized to one of two regimens: TIV or LAIV. The primary outcome of this study will be laboratory-confirmed influenza as detected by PCR in all participants (i.e vaccine recipients and nonrecipients). Secondary outcomes will include influenza-like illness, hospitalization, pneumonia, death, antibiotic use, absenteeism.

Studieoversigt

Status

Afsluttet

Betingelser

Intervention / Behandling

Detaljeret beskrivelse

The goal of this study is to test whether immunizing children in Hutterite colonies with LAIV can significantly reduce laboratory-confirmed influenza in the entire community compared to TIV. We hypothesize that ≥70% uptake of LAIV compared to a similar uptake of TIV among healthy children and adolescents will reduce laboratory-confirmed influenza in LAIV colonies by 50% compared to TIV colonies. Other specific objectives are to determine if LAIV reduces influenza in the healthy children and adolescents immunized and if LAIV reduces the following relative to TIV in all participants: influenza-like illness, antimicrobial prescriptions, physician-diagnosed otitis media, school or work-related absenteeism, physician visits for respiratory illness, lower respiratory infection, pneumonia, hospitalizations, and death. We will assess reactogenicity in both study groups.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

4611

Fase

  • Fase 4

Kontakter og lokationer

Dette afsnit indeholder kontaktoplysninger for dem, der udfører undersøgelsen, og oplysninger om, hvor denne undersøgelse udføres.

Studiesteder

  • Canada
    • Ontario
      • Hamilton, Ontario, Canada, L8S 4K1
        • McMaster University

Deltagelseskriterier

Forskere leder efter personer, der passer til en bestemt beskrivelse, kaldet berettigelseskriterier. Nogle eksempler på disse kriterier er en persons generelle helbredstilstand eller tidligere behandlinger.

Berettigelseskriterier

Aldre berettiget til at studere

  • Barn
  • Voksen
  • Ældre voksen

Tager imod sunde frivillige

Ja

Køn, der er berettiget til at studere

Alle

Beskrivelse

Group A:

Inclusion criteria:

  • healthy children and adolescents aged 36 months to 15 years who will be immunized as part of the intervention.

Exclusion criteria:

  1. anaphylactic reaction to a previous dose of LAIV or TIV
  2. known IgE-mediated hypersensitivity to eggs manifested as hives, swelling of the mouth and throat, difficulty in breathing, hypotension, or shock
  3. history of asthma
  4. medically diagnosed or treated wheezing within 42 days before enrollment
  5. Guillain-Barré syndrome within eight weeks of a previous influenza vaccine
  6. anaphylactic reaction to gentamicin
  7. anaphylactic reaction to gelatin
  8. anaphylactic reaction to neomycin
  9. anaphylactic reaction to arginine
  10. pregnancy
  11. household contact who is severely immunocompromised being cared for in a protective environment (i.e hematopoietic stem cell transplant)
  12. use of aspirin or salicylate-containing products within 30 days before enrollment.

Group B:

Inclusion Criteria

  • other Hutterite community members that are not in Group A

Exclusion Criteria:

  • there are no exclusion criteria for this category of participants

Studieplan

Dette afsnit indeholder detaljer om studieplanen, herunder hvordan undersøgelsen er designet, og hvad undersøgelsen måler.

Hvordan er undersøgelsen tilrettelagt?

Design detaljer

  • Primært formål: Forebyggelse
  • Tildeling: Randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Firedobbelt

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: Influenza vaccine LAIV
Live attenuated influenza vaccine (LAIV).
Biologisk: Trivalent Inactivated Vaccine
Influenza vaccination, 0.5 ml dose administered intramuscularly. Previously unvaccinated children who are less than 9 years of age at the time of immunization will receive a second 0.5 ml dose four weeks later.
Andre navne:
  • VAXIGRIP by Sanofi Pasteur
Aktiv komparator: Influenza vaccine TIV
Trivalent inactivated vaccine (TIV).
Biologisk: Live Attenuated Influenza Vaccine
Influenza vaccination, 0.2 ml dose administered intranasally. Previously unvaccinated children who are less than 9 years of age at the time of immunization will receive a second 0.2 ml dose of the vaccine four weeks later.
Andre navne:
  • FLUMIST by Mediummune.

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Tidsramme
Laboratory-confirmed influenza infection.
Tidsramme: up to 3 years
up to 3 years

Sekundære resultatmål

Resultatmål
Tidsramme
Influenza like illness.
Tidsramme: December to June each year for 3 years.
December to June each year for 3 years.
Physician diagnosed otitis media.
Tidsramme: December to June each year for 3 years.
December to June each year for 3 years.
Antimicrobial prescriptions.
Tidsramme: December to June each year for 3 years.
December to June each year for 3 years.
School or work related absenteeism.
Tidsramme: December to June each year for 3 years.
December to June each year for 3 years.
Physician visits for respiratory illness.
Tidsramme: December to June each year for 3 years.
December to June each year for 3 years.
Lower respiratory infection or pneumonia.
Tidsramme: December to June each year for 3 years.
December to June each year for 3 years.
Hospitalization for lower respiratory infection or pneumonia.
Tidsramme: December to June each year for 3 years.
December to June each year for 3 years.
All cause hospitalizations.
Tidsramme: December to June each year for 3 years.
December to June each year for 3 years.
Deaths due to lower respiratory infections or pneumonia.
Tidsramme: December to June each year for 3 years.
December to June each year for 3 years.
All cause deaths.
Tidsramme: December to June each year for 3 years.
December to June each year for 3 years.

Samarbejdspartnere og efterforskere

Det er her, du vil finde personer og organisationer, der er involveret i denne undersøgelse.

Sponsor

McMaster University

Samarbejdspartnere

Canadian Institutes of Health Research (CIHR)

Efterforskere

  • Ledende efterforsker: Mark B Loeb, MD, MSc, McMaster University

Publikationer og nyttige links

Den person, der er ansvarlig for at indtaste oplysninger om undersøgelsen, leverer frivilligt disse publikationer. Disse kan handle om alt relateret til undersøgelsen.

Generelle publikationer

Datoer for undersøgelser

Disse datoer sporer fremskridtene for indsendelser af undersøgelsesrekord og resumeresultater til ClinicalTrials.gov. Studieregistreringer og rapporterede resultater gennemgås af National Library of Medicine (NLM) for at sikre, at de opfylder specifikke kvalitetskontrolstandarder, før de offentliggøres på den offentlige hjemmeside.

Studer store datoer

Studiestart (Faktiske)

1. november 2012

Primær færdiggørelse (Faktiske)

1. juni 2015

Studieafslutning (Faktiske)

1. december 2015

Datoer for studieregistrering

Først indsendt

26. juli 2012

Først indsendt, der opfyldte QC-kriterier

27. juli 2012

Først opslået (Skøn)

30. juli 2012

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Faktiske)

26. oktober 2018

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

25. oktober 2018

Sidst verificeret

1. oktober 2018

Mere information

Begreber relateret til denne undersøgelse

Yderligere relevante MeSH-vilkår

Andre undersøgelses-id-numre

  • RC1-274129

Disse oplysninger blev hentet direkte fra webstedet clinicaltrials.gov uden ændringer. Hvis du har nogen anmodninger om at ændre, fjerne eller opdatere dine undersøgelsesoplysninger, bedes du kontakte register@clinicaltrials.gov. Så snart en ændring er implementeret på clinicaltrials.gov, vil denne også blive opdateret automatisk på vores hjemmeside .

Kliniske forsøg med Influenza

Kliniske forsøg med Trivalent Inactivated Vaccine

Søg i lignende forsøg

Sponsorer og samarbejdspartnere

Medicinske tilstande

Narkotikainterventioner

CROs by country

CROs in Albania

Betingelser

Sjældne sygdomme

Narkotikainterventioner

Kosttilskud

Sponsor / samarbejdspartnere

Placeringer

Abonner