NCT00595790

Brief Summary

The study investigates a rapid immunization regime of the Japanese Encephalitis vaccine IC51 (JE-PIV) 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
374

participants targeted

Target at P50-P75 for phase_3

Timeline
Completed

Started Sep 2005

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

September 1, 2005

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2006

Completed
1.7 years until next milestone

Study Completion

Last participant's last visit for all outcomes

November 1, 2007

Completed
2 months until next milestone

First Submitted

Initial submission to the registry

January 4, 2008

Completed
12 days until next milestone

First Posted

Study publicly available on registry

January 16, 2008

Completed
6.2 years until next milestone

Results Posted

Study results publicly available

March 26, 2014

Completed
Last Updated

April 29, 2014

Status Verified

April 1, 2014

Enrollment Period

5 months

First QC Date

January 4, 2008

Results QC Date

December 5, 2013

Last Update Submit

April 9, 2014

Conditions

Outcome Measures

Primary Outcomes (1)

  • SCR (Seroconversion Rate) at Day 56

    Seroconversion rate: percentage of subjects with \>= 1:10 anti-JEV neutralizing antibody titer

    day 56

Secondary Outcomes (3)

  • SCR at Day 10, 28 and 35

    Day 10, 28 and 35

  • GMT at Day 10, 28, 35 and 56

    Day 10, 28, 35 and 56

  • Safety

    Study duration

Study Arms (3)

IC51 2 x 6 mcg

ACTIVE COMPARATOR

2 x 6 mcg (microgram)

Biological: IC51

IC51 1 x 12 mcg

ACTIVE COMPARATOR

1 x 12 mcg (microgram)

Biological: IC51

IC51 1 x 6 mcg

ACTIVE COMPARATOR

1 x 6 mcg (microgram)

Biological: IC51

Interventions

IC51BIOLOGICAL
Also known as: Japanese Encephalitis purified inactivated vaccine
IC51 1 x 12 mcgIC51 1 x 6 mcgIC51 2 x 6 mcg

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:

  • History of clinical manifestation of any flavivirus infection
  • 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
  • Immunodeficiency including post-organ-transplantation or immunosuppressive therapy
  • A family history of congenital or hereditary immunodeficiency
  • History of autoimmune disease
  • Any acute infections within 4 weeks prior to enrollment
  • Infection with HIV, Hepatitis B or Hepatitis C
  • 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

  • Susanne Eder, Mag.

    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
SINGLE
Who Masked
PARTICIPANT
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

January 4, 2008

First Posted

January 16, 2008

Study Start

September 1, 2005

Primary Completion

February 1, 2006

Study Completion

November 1, 2007

Last Updated

April 29, 2014

Results First Posted

March 26, 2014

Record last verified: 2014-04