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A Phase I Trial of a LTK63 Adjuvated Tuberculosis Nasal Subunit Vaccine (Ag85B-ESAT6) (TMUVA-01)

31. oktober 2008 opdateret af: St George's, University of London

A Phase I Trial of the Safety and Immunogenicity of an Adjuvated TB Subunit Vaccine (Ag85B-ESAT6 + LTK63) Administered at 0 and 2 Months

The purpose of this study is to determine whether a subunit tuberculosis vaccine given as two nasal immunizations composed of a hybrid protein antigen from M. tuberculosis virus mixed with a toxoid adjuvant, causes untoward adverse reactions when administered to healthy adult volunteers. Both subjects who have not received Bacillus Calmette-Guerin (BCG) and subjects who have already received BCG will be enrolled. An initial evaluation of immune responses to the vaccine will also be undertaken.

Studieoversigt

Detaljeret beskrivelse

The purpose of this study is to determine whether a subunit tuberculosis vaccine given as two nasal immunizations composed of a hybrid protein antigen from M. tuberculosis virus mixed with a toxoid adjuvant, causes untoward adverse reactions when administered to healthy adult volunteers. Both subjects who have not received BCG and subjects who have already received BCG will be enrolled. An initial evaluation of immune responses to the vaccine will also be undertaken using flow cytometry to enumerate antigen specific IFNg containing T cells; ELISPOT to determine IFNg secreting antigen specific T cells; serology and nasal wash antibody.

Undersøgelsestype

Interventionel

Tilmelding (Faktiske)

9

Fase

  • Fase 1

Kontakter og lokationer

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

Studiesteder

    • England
      • London, England, Det Forenede Kongerige, SW17 0RE
        • St George's Vaccine Institute

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

18 år til 55 år (Voksen)

Tager imod sunde frivillige

Ja

Køn, der er berettiget til at studere

Alle

Beskrivelse

Inclusion Criteria:

  • Signed informed consent
  • Healthy, based on medical examination at inclusion
  • Male or female subjects, aged between 18 and 55 years
  • Willing and likely to be able to comply with the trial procedures
  • Prepared to grant authorized persons access to their medical records

Additional inclusion criterion for BCG-non-vaccinated subjects:

  • BCG-non-vaccinated (i.e., absence of a BCG-scar)
  • Negative Mantoux skin test

Additional inclusion criterion for BCG-vaccinated subjects:

  • BCG-vaccinated (i.e., presence of a BCG-scar)

Exclusion Criteria:

  • History of TB or known exposure to TB
  • Radiological findings on chest X ray compatible with previous or current infection with tuberculosis
  • Positive QuantiFERON® TB-Gold test Evidence of previous, current or latent tuberculosis
  • Evidence of previous, current or latent tuberculosis
  • History of severe organ-system diseases
  • Known hypersensitivity to any of the vaccine components
  • History of allergic disorders
  • Vaccinated with other vaccine within 3 months before first vaccination
  • Congenital and/or acquired immune diseases
  • Administration of systemic immune modulating drugs (steroids, immunosuppressive drugs or immunoglobulin) within 3 months before the first vaccination (topical steroids not included)
  • Autoimmune diseases
  • HIV, HBV and HCV sero-positive
  • Established diagnosis of a neurological or neuromuscular disease, and specifically any history of abnormality with respect to sense of smell (olfactory nerve dysfunction), or previous or current facial nerve paralysis
  • Congenital or acquired abnormalities or disorders related to nasal and nasopharyngeal cavities
  • Current use of any medication taken through the nasal/inhalatory route including cocaine or other drugs
  • Laboratory parameters outside of normal ranges considered clinically significant
  • Pregnant according to urine pregnancy test
  • Females not willing to use contraceptives or who are breastfeeding
  • Intake of trial medication in other clinical trials within 6 months of the first vaccination

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: Ikke-randomiseret
  • Interventionel model: Parallel tildeling
  • Maskning: Ingen (Åben etiket)

Våben og indgreb

Deltagergruppe / Arm
Intervention / Behandling
Eksperimentel: 1
100 ug H1 antigen alone in BCG naive subjects
100 ug H1 antigen in BCG naive subjects
100 ug H1 antigen + LTK63 adjuvant 30 ug in BCG naive subjects
50 ug H1 antigen in BCG immunized subjects
50 ug H1 antigen + LTK63 adjuvant 30 ug in BCG immunized subjects
100 ug H1 antigen in BCG immunized subjects
100 ug H1 antigen + LTK63 adjuvant 30 ug in BCG immunized subjects
Eksperimentel: 2
100 ug H1 antigen + LTK63 adjuvant 30 ug in BCG naive subjects
100 ug H1 antigen in BCG naive subjects
100 ug H1 antigen + LTK63 adjuvant 30 ug in BCG naive subjects
50 ug H1 antigen in BCG immunized subjects
50 ug H1 antigen + LTK63 adjuvant 30 ug in BCG immunized subjects
100 ug H1 antigen in BCG immunized subjects
100 ug H1 antigen + LTK63 adjuvant 30 ug in BCG immunized subjects
Eksperimentel: 3
50 ug H1 antigen in BCG immunized subjects
100 ug H1 antigen in BCG naive subjects
100 ug H1 antigen + LTK63 adjuvant 30 ug in BCG naive subjects
50 ug H1 antigen in BCG immunized subjects
50 ug H1 antigen + LTK63 adjuvant 30 ug in BCG immunized subjects
100 ug H1 antigen in BCG immunized subjects
100 ug H1 antigen + LTK63 adjuvant 30 ug in BCG immunized subjects
Eksperimentel: 4
50 ug H1 antigen + LTK63 adjuvant 30 ug in BCG immunized subjects
100 ug H1 antigen in BCG naive subjects
100 ug H1 antigen + LTK63 adjuvant 30 ug in BCG naive subjects
50 ug H1 antigen in BCG immunized subjects
50 ug H1 antigen + LTK63 adjuvant 30 ug in BCG immunized subjects
100 ug H1 antigen in BCG immunized subjects
100 ug H1 antigen + LTK63 adjuvant 30 ug in BCG immunized subjects
Eksperimentel: 5
100 ug H1 antigen in BCG immunized subjects
100 ug H1 antigen in BCG naive subjects
100 ug H1 antigen + LTK63 adjuvant 30 ug in BCG naive subjects
50 ug H1 antigen in BCG immunized subjects
50 ug H1 antigen + LTK63 adjuvant 30 ug in BCG immunized subjects
100 ug H1 antigen in BCG immunized subjects
100 ug H1 antigen + LTK63 adjuvant 30 ug in BCG immunized subjects
Eksperimentel: 6
100 ug H1 antigen + LTK63 adjuvant 30 ug in BCG immunized subjects
100 ug H1 antigen in BCG naive subjects
100 ug H1 antigen + LTK63 adjuvant 30 ug in BCG naive subjects
50 ug H1 antigen in BCG immunized subjects
50 ug H1 antigen + LTK63 adjuvant 30 ug in BCG immunized subjects
100 ug H1 antigen in BCG immunized subjects
100 ug H1 antigen + LTK63 adjuvant 30 ug in BCG immunized subjects

Hvad måler undersøgelsen?

Primære resultatmål

Resultatmål
Tidsramme
To evaluate the safety profile (medical examinations, adverse events and laboratory safety tests) of a nasal TB subunit vaccine with and without adjuvant given as two doses with 2 months interval.
Tidsramme: 8 months
8 months

Sekundære resultatmål

Resultatmål
Tidsramme
To evaluate the cell mediated and humoral immunogenicity profile of a nasal TB subunit vaccine with and without adjuvant, given as two doses with 2 months interval.
Tidsramme: 8 months
8 months

Samarbejdspartnere og efterforskere

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

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.

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

1. januar 2007

Primær færdiggørelse (Faktiske)

1. november 2007

Studieafslutning (Faktiske)

1. februar 2008

Datoer for studieregistrering

Først indsendt

26. februar 2007

Først indsendt, der opfyldte QC-kriterier

26. februar 2007

Først opslået (Skøn)

27. februar 2007

Opdateringer af undersøgelsesjournaler

Sidste opdatering sendt (Skøn)

2. november 2008

Sidste opdatering indsendt, der opfyldte kvalitetskontrolkriterier

31. oktober 2008

Sidst verificeret

1. oktober 2008

Mere information

Begreber relateret til denne undersøgelse

Andre undersøgelses-id-numre

  • TMUVA-01
  • FP6-2002-LIFESCIHEA-2.3 503240
  • EudraCT Number: 2005-005140-81

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 .

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