NCT00605085

Brief Summary

The objective is to investigate the safety and tolerability of Japanese Encephalitis vaccine IC51 with an inactive control in healthy subjects aged \> or = 18 years

Trial Health

100
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
2,675

participants targeted

Target at P75+ for phase_3

Timeline
Completed

Started Oct 2005

Shorter than P25 for phase_3

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

October 1, 2005

Completed
1.1 years until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2006

Completed
1.2 years until next milestone

First Submitted

Initial submission to the registry

January 4, 2008

Completed
26 days until next milestone

First Posted

Study publicly available on registry

January 30, 2008

Completed
4.8 years until next milestone

Results Posted

Study results publicly available

November 20, 2012

Completed
Last Updated

March 21, 2024

Status Verified

March 1, 2024

First QC Date

January 4, 2008

Results QC Date

June 1, 2012

Last Update Submit

March 20, 2024

Conditions

Outcome Measures

Primary Outcomes (1)

  • Safety and Tolerability up to Day 56

    calculation based on safety population, numbers provide percentages of participants with Adverse Events (AEs)

    Day 56

Secondary Outcomes (3)

  • Rates of Serious Adverse Events and Medically Attended Adverse Events

    until Day 56

  • Changes in Laboratory Parameters

    until Day 56

  • SCR and GMT of Subjects With Concomitant Vaccinations

    until Day 56

Study Arms (2)

1

EXPERIMENTAL

IC51

Biological: Japanese Encephalitis purified inactivated vaccine (IC51)

2

PLACEBO COMPARATOR

Placebo

Biological: Placebo

Interventions

IC51 (JE-PIV), 6 mcg, i.m. injection, 2 vaccinations, days 0 and 28

1
PlaceboBIOLOGICAL

Placebo: Phosphate-buffered saline (PBS) solution containing 0.1% aluminum hydroxide as an adjuvant, 0.5 mL, i.m. injection, 2 injections, days 0 and 28

2

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • At least 18 years of age
  • Written informed consent obtained prior to study entry

You may not qualify if:

  • Use of any other investigational or non-registered drug or vaccine in addition to the study vaccine during the study period or within 30 days preceding the first dose of study vaccine
  • History of any previous JE vaccination (e.g. JE-VAX®)
  • Immunodeficiency including post-organ-transplantation or immunosuppressive therapy
  • A family history of congenital or hereditary immunodeficiency
  • History of autoimmune disease
  • Any acute infections within 2 weeks prior to enrollment
  • Known or suspected HIV Infection
  • Pregnancy, lactation or unreliable contraception in female subjects

Contact the study team to confirm eligibility.

Sponsors & Collaborators

MeSH Terms

Conditions

Encephalitis, Japanese

Condition Hierarchy (Ancestors)

Encephalitis, ArbovirusEncephalitis, ViralCentral Nervous System Viral DiseasesCentral Nervous System InfectionsInfectionsInfectious EncephalitisArbovirus InfectionsVector Borne DiseasesMosquito-Borne DiseasesVirus DiseasesRNA Virus InfectionsFlavivirus InfectionsFlaviviridae InfectionsEncephalitisBrain DiseasesCentral Nervous System DiseasesNervous System DiseasesNeuroinflammatory Diseases

Results Point of Contact

Title
Senior Manager Clinical Research
Organization
Intercell AG

Study Officials

  • Astrid Kaltenboeck, Ph.D.

    Valneva Austria GmbH

    STUDY DIRECTOR

Publication Agreements

PI is Sponsor Employee
No
Restriction Type
OTHER
Restrictive Agreement
Yes

Study Design

Study Type
interventional
Phase
phase 3
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY

Study Record Dates

First Submitted

January 4, 2008

First Posted

January 30, 2008

Study Start

October 1, 2005

Study Completion

November 1, 2006

Last Updated

March 21, 2024

Results First Posted

November 20, 2012

Record last verified: 2024-03