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Safety and Immunogenicity of 2 Different Vaccination Schedules of Rabies and Japanese Encephalitis Vaccines in Healthy Adult Subjects

2. Dezember 2014 aktualisiert von: Novartis Vaccines

A Phase III, Multicenter, Observer-blind, Safety and Immunogenicity Study of Rabies Vaccine and Japanese Encephalitis Vaccine Administered Concomitantly and/or Separately According to 1 of 2 Different Preexposure Prophylaxis Schedules to Healthy Adult Subjects.

Establish non-inferiority of the immune response and evaluate the safety and tolerability of Rabies and Japanese Encephalitis (JE) vaccines given concomitantly or alone and according to either of 2 schedules for preexposure prophylaxis.

Studienübersicht

Status

Abgeschlossen

Bedingungen

Intervention / Behandlung

Studientyp

Interventionell

Einschreibung (Tatsächlich)

661

Phase

  • Phase 3

Kontakte und Standorte

Dieser Abschnitt enthält die Kontaktdaten derjenigen, die die Studie durchführen, und Informationen darüber, wo diese Studie durchgeführt wird.

Studienorte

  • Deutschland
    • Hamburg
      • Bernhard-Nocht-Strasse 74, Hamburg, Deutschland, D-20359
        • Bernhard Nocht Institute for Tropical Medicine
  • Schweiz
    • Zürich
      • Rämistrasse 71, Zürich, Schweiz, CH-8006
        • The University of Zurich
  • Österreich
    • Vienna
      • Kinderspitalgasse 15, Vienna, Österreich, A-1090
        • Institute of Specific Prophylaxis and Tropical Medicine Center for Pathophysiology, Infectious Diseases and Immunology Medical University of Vienna

Teilnahmekriterien

Forscher suchen nach Personen, die einer bestimmten Beschreibung entsprechen, die als Auswahlkriterien bezeichnet werden. Einige Beispiele für diese Kriterien sind der allgemeine Gesundheitszustand einer Person oder frühere Behandlungen.

Zulassungskriterien

Studienberechtigtes Alter

18 Jahre bis 65 Jahre (Erwachsene, Älterer Erwachsener)

Akzeptiert gesunde Freiwillige

Ja

Studienberechtigte Geschlechter

Alle

Beschreibung

Inclusion Criteria:

  1. Males and females between 18 and 65 years of age (inclusive).
  2. Subjects who have given written consent.
  3. Individuals in good health as per investigator judgement.

Exclusion Criteria:

  1. If female, pregnancy or unwillingness to practice acceptable contraception.
  2. If female, pregnant or breast-feeding or any positive/indeterminate pregnancy test.
  3. Contraindication or precaution against Rabies and Japanese Encephalitis vaccination.
  4. Unable to comprehend and to follow all required study procedures for the whole period of the study.
  5. Participating in any other clinical trial 30 days prior to first study visit.
  6. History of previous rabies/rabies immunoglobulin and/or Japanese Encephalitis immunization.
  7. Receiving or planning to receive anti-malarial medications (e.g. Mefloquine) 14 days prior to Day 1 vaccination through Day 43.
  8. Received any other vaccines within 2 weeks prior to enrollment in this study or plan to receive any vaccine within 4 weeks from the study vaccines.
  9. Ever received blood, blood products and/or plasma derivatives or any parenteral immunoglobulin preparation in the past 12 weeks.
  10. Individuals who are part of study personnel or close family members conducting this study.
  11. Body temperature ≥38 degrees Celsius (≥ 100.4° F) within 3 days of intended study vaccination.
  12. Plans to travel within the next year to areas where Rabies and/or Japanese Encephalitis vaccine may be considered or offered. This includes but is not limited to India, Asia, Pacific-Rim, African countries.

Studienplan

Dieser Abschnitt enthält Einzelheiten zum Studienplan, einschließlich des Studiendesigns und der Messung der Studieninhalte.

Wie ist die Studie aufgebaut?

Designdetails

  • Hauptzweck: Verhütung
  • Zuteilung: Zufällig
  • Interventionsmodell: Parallele Zuordnung
  • Maskierung: Vervierfachen

Waffen und Interventionen

Teilnehmergruppe / Arm
Intervention / Behandlung
Aktiver Komparator: R/JE - Conv
Subjects received Rabies and Japanese Encephalitis (JE) vaccines following the conventional schedule, ie, Rabies vaccination on days 1, 8, and 29, and placebo on day 4 in the right arm or leg; and JE vaccination on day 1 and 29, and placebo on day 8 in the left arm.
Biologisch: Rabies
Subjects received three doses of Rabies, whole virus vaccine (inactivated, Germany).
Biologisch: Japanese Encephalitis
Subjects received two doses of Japanese Encephalitis vaccine.
Sonstiges: Placebo
Subjects received either two, three, four or five doses of normal saline, 0.9% w/v sodium chloride depending on the vaccine group.
Experimental: R/JE - Acc
Subjects received Rabies and JE vaccines following the accelerated schedule, ie, Rabies vaccination on days 1, 4, and 8, and placebo on day 29 in the right arm or leg; and JE vaccination on days 1 and 8, and placebo on day 29 in the left arm.
Biologisch: Rabies
Subjects received three doses of Rabies, whole virus vaccine (inactivated, Germany).
Biologisch: Japanese Encephalitis
Subjects received two doses of Japanese Encephalitis vaccine.
Sonstiges: Placebo
Subjects received either two, three, four or five doses of normal saline, 0.9% w/v sodium chloride depending on the vaccine group.
Aktiver Komparator: R - Conv
Subjects received Rabies vaccine following the conventional schedule, ie, Rabies vaccination on days 1, 8, and 29, and placebo on day 4 in the right arm or leg; and placebo on days 1, 8 and 29 in the left arm.
Biologisch: Rabies
Subjects received three doses of Rabies, whole virus vaccine (inactivated, Germany).
Sonstiges: Placebo
Subjects received either two, three, four or five doses of normal saline, 0.9% w/v sodium chloride depending on the vaccine group.
Aktiver Komparator: JE - Conv
Subjects received JE vaccine following the conventional schedule, ie, placebo on days 1, 4, 8 and 29 in the right arm or leg; and JE vaccination on days 1 and 29 and placebo injection on day 8 in the left arm.
Biologisch: Japanese Encephalitis
Subjects received two doses of Japanese Encephalitis vaccine.
Sonstiges: Placebo
Subjects received either two, three, four or five doses of normal saline, 0.9% w/v sodium chloride depending on the vaccine group.

Was misst die Studie?

Primäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
Percentages of Subjects With RVNA Concentrations ≥0.5 IU/mL At 7 Days After Last Active Vaccination
Zeitfenster: Day 7 after last active vaccination (day 15 - group that received accelerated schedule, day 36 - group that received conventional schedule)

Immune response was measured as the percentage of subjects with rabies virus neutralizing antibody (RVNA) concentrations ≥0.5 IU/mL, evaluated using the rapid fluorescent focus inhibition test at day 7 after last active vaccination, i.e. the third out of four vaccinations given in the accelerated Rabies vaccine schedule and the fourth out of four vaccinations given in the conventional Rabies vaccine schedule.

As per study design, this primary immunogenicity outcome measure aimed to demonstrate non-inferiority of R/JE - Acc Vs R - Conv.
Day 7 after last active vaccination (day 15 - group that received accelerated schedule, day 36 - group that received conventional schedule)
Percentages of Subjects With PRNT50 Titer ≥1:10 At 28 Days After Last Active Vaccination
Zeitfenster: Day 28 after last active vaccination (day 36 - group that received accelerated schedule, day 57 - group that received conventional schedule)

Immune response was measured as the percentages of subjects with a titer of ≥1:10 in a 50% plaque reduction neutralization test (PRNT50) 28 days after last active vaccination, ie, the second out of three vaccinations given in the accelerated JE vaccine schedule and the third out of three vaccinations given in the conventional JE vaccine schedule.

As per study design, this primary immunogenicity outcome measure aimed to demonstrate non-inferiority of R/JE - Acc Vs JE - Conv.
Day 28 after last active vaccination (day 36 - group that received accelerated schedule, day 57 - group that received conventional schedule)

Sekundäre Ergebnismessungen

Ergebnis Maßnahme
Maßnahmenbeschreibung
Zeitfenster
RVNA Geometric Mean Concentrations (GMCs) At 28 Days After Last Active Vaccination
Zeitfenster: Day 57 (28 days after last active vaccination)

Immune response was measured as the RVNA GMCs 28 days after last active vaccination, ie, day 57 for all groups that received the conventional schedule.

Data were adjusted using ANOVA model, as per protocol specification.
Day 57 (28 days after last active vaccination)
PRNT50 Geometric Mean Titers (GMTs) At 28 Days After Last Active Vaccination
Zeitfenster: Day 57 (28 days after last active vaccination)

Immune response was measured as the PRNT50 GMTs 28 days after last active vaccination, ie, day 57 for all groups that received the conventional schedule.

Data were adjusted using ANOVA model, as per protocol specifications.
Day 57 (28 days after last active vaccination)
Percentages of Subjects With RVNA Concentrations ≥0.5 IU/mL At 28 Days After Last Active Vaccination
Zeitfenster: Day 36 and day 57 (28 days after last active vaccination)

Immune response was measured as the percentages of subjects with RVNA concentration ≥0.5 IU/mL 28 days after last active vaccination, ie, day 36 for the group that received the accelerated schedule and day 57 for the group that received the conventional schedule.

As per study design, this secondary immunogenicity outcome measure aimed to demonstrate non-inferiority of R/JE - Acc Vs R - Conv.
Day 36 and day 57 (28 days after last active vaccination)
Percentage of Subjects With PRNT50 Titer ≥1:10 At 7 Days After Last Active Vaccination
Zeitfenster: Day 15 and day 36 (28 after last active vaccination)

Immune response was measured as the percentage of subjects with PRNT50 titer of ≥1:10 7 days after last active vaccination, ie, day 15 for the group that received the accelerated schedule and day 36 for the group that received the conventional schedule.

As per study design, this secondary immunogenicity outcome measure aimed to demonstrate non-inferiority of R/JE - Acc Vs JE - Conv.
Day 15 and day 36 (28 after last active vaccination)
Kinetics of Rabies Immune Response Measured as Percentage of Subjects With RVNA Concentration ≥0.5 IU/mL
Zeitfenster: Day 1, 8, 15, 36, 57, 91, 181 and Day 366
To evaluate the kinetics of antibody response to Rabies vaccine, the immunogenicity was measured as the percentage of subjects with RVNA concentrations ≥0.5 IU/mL on days 1, 8, 15, 36, 57, 91, 181, and 366.
Day 1, 8, 15, 36, 57, 91, 181 and Day 366
Kinetics of Rabies Immune Response Measured as the RVNA GMCs
Zeitfenster: Day 1, 8, 15, 36, 57, 91, 181, and 366
To evaluate the kinetics of antibody response to Rabies vaccine, the immunogenicity was measured as the RVNA GMCs on days 1, 8, 15, 36, 57, 91, 181, and 366.
Day 1, 8, 15, 36, 57, 91, 181, and 366
Kinetics of JE Immune Response Measured as Percentage of Subjects With PRNT50 Titers ≥1:10
Zeitfenster: Days 1, 15, 22, 36, 57, 91, 181 and 366
To evaluate the kinetics of antibody response to JE vaccine, the immunogenicity was measured as the percentage of subjects with PRNT50 titer ≥1:10 on days 1, 15, 22, 36, 57, 91, 181, and 366 (group that received JE vaccine as an accelerated schedule) and days 1, 36, 57, 181, and 366 (group that received JE vaccine as a conventional schedule).
Days 1, 15, 22, 36, 57, 91, 181 and 366
Kinetics of JE Immune Response Measured as PRNT50 GMTs
Zeitfenster: Day 1, 15, 22, 36, 57, 91, 181, and 366 (accelerated schedule) and day 1, 36, 57, 181, and 366 (conventional schedule)
To evaluate the kinetics of antibody response to JE vaccine, the immunogenicity was measured as the PRNT50 GMTs on days 1, 15, 22, 36, 57, 91, 181, and 366 (group that received JE vaccine as an accelerated schedule) and days 1, 36, 57, 181, and 366 (group that received JE vaccine as a conventional schedule).
Day 1, 15, 22, 36, 57, 91, 181, and 366 (accelerated schedule) and day 1, 36, 57, 181, and 366 (conventional schedule)
Number of Subjects Who Reported Solicited Local Adverse Events After Each Rabies Vaccination
Zeitfenster: Day 1 through day 7 after each vaccination (on day 1, 4, 8 and 29)
Safety was assessed as the number of subjects who reported solicited local adverse events (AEs) after each rabies vaccination given according to accelerated or conventional schedule as follows: from day 1 through day 7 (vaccination on day 1; all Rabies groups), day 4 through day 10 (vaccination on day 4; in R/JE - Acc group only), day 8 through day 14 (vaccination on day 8; all Rabies groups), or day 29 through day 35 (vaccination on day 29; R/JE - Conv and R - Conv groups).
Day 1 through day 7 after each vaccination (on day 1, 4, 8 and 29)
Number of Subjects Who Reported Solicited Local AEs After Each JE Vaccination
Zeitfenster: Day 1 through day 7 after each vaccination (on day 1, 8 and 29)
Safety was assessed as the number of subjects who reported solicited local AEs after each JE vaccination given according to accelerated or conventional schedule as follow: from day 1 through day 7 (vaccination on day 1; all JE groups), day 8 through day 14 (vaccination on day 8; R/JE - Acc group only), or day 29 through day 35 (vaccination on day 29; R/JE - Con and JE - Conv groups).
Day 1 through day 7 after each vaccination (on day 1, 8 and 29)
Number of Subjects Who Reported Solicited Local AEs After Each Placebo Injection
Zeitfenster: Day 1 through day 7 after each injection (day 1, 4, 8 and 29)
Safety was assessed as the number of subjects who reported solicited local AEs after each placebo injection given according to accelerated and conventional schedule as follow: from day 1 through day 7 (injection on day 1; R - Conv and JE - Conv groups), day 4 through day 10 (injection on day 4; in R/JE - Conv, R - Conv and JE - Conv groups), day 8 through day 14 (injection on day 8; in R/JE - Conv, R - Conv and JE - Conv groups), and day 29 through day 35 (injection on day 29; R/JE - Acc, R - Con and JE - Conv groups).
Day 1 through day 7 after each injection (day 1, 4, 8 and 29)
Number of Subjects Who Reported Solicited Systemic AEs and Other Indicators of Reactogenicity After Each Vaccination
Zeitfenster: Day 1 through day 7 after each vaccination (day 1, 4, 8 and 29)
Safety was assessed as the number of subjects who reported solicited systemic AEs and other indicators of reactogenicity after each vaccination given according to accelerated and conventional schedule.
Day 1 through day 7 after each vaccination (day 1, 4, 8 and 29)
Numbers of Subjects Reporting Unsolicited AEs After Any Vaccination From Day 1 Through Day 57
Zeitfenster: Day 1 through Day 57
Safety was assessed as the number of subjects who reported unsolicited AEs after any vaccination given according to accelerated and conventional schedule.
Day 1 through Day 57

Mitarbeiter und Ermittler

Hier finden Sie Personen und Organisationen, die an dieser Studie beteiligt sind.

Sponsor

Novartis Vaccines

Publikationen und hilfreiche Links

Die Bereitstellung dieser Publikationen erfolgt freiwillig durch die für die Eingabe von Informationen über die Studie verantwortliche Person. Diese können sich auf alles beziehen, was mit dem Studium zu tun hat.

Allgemeine Veröffentlichungen

Studienaufzeichnungsdaten

Diese Daten verfolgen den Fortschritt der Übermittlung von Studienaufzeichnungen und zusammenfassenden Ergebnissen an ClinicalTrials.gov. Studienaufzeichnungen und gemeldete Ergebnisse werden von der National Library of Medicine (NLM) überprüft, um sicherzustellen, dass sie bestimmten Qualitätskontrollstandards entsprechen, bevor sie auf der öffentlichen Website veröffentlicht werden.

Haupttermine studieren

Studienbeginn

1. August 2012

Primärer Abschluss (Tatsächlich)

1. Dezember 2012

Studienabschluss (Tatsächlich)

1. Oktober 2013

Studienanmeldedaten

Zuerst eingereicht

2. August 2012

Zuerst eingereicht, das die QC-Kriterien erfüllt hat

7. August 2012

Zuerst gepostet (Schätzen)

10. August 2012

Studienaufzeichnungsaktualisierungen

Letztes Update gepostet (Schätzen)

8. Dezember 2014

Letztes eingereichtes Update, das die QC-Kriterien erfüllt

2. Dezember 2014

Zuletzt verifiziert

1. Dezember 2014

Mehr Informationen

Begriffe im Zusammenhang mit dieser Studie

Schlüsselwörter

Zusätzliche relevante MeSH-Bedingungen

Andere Studien-ID-Nummern

  • V49_23
  • 2011-005173-23 (EudraCT-Nummer)

Diese Informationen wurden ohne Änderungen direkt von der Website clinicaltrials.gov abgerufen. Wenn Sie Ihre Studiendaten ändern, entfernen oder aktualisieren möchten, wenden Sie sich bitte an register@clinicaltrials.gov. Sobald eine Änderung auf clinicaltrials.gov implementiert wird, wird diese automatisch auch auf unserer Website aktualisiert .

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