Status:

COMPLETED

Long Term Immunity and Safety Following Vaccination With the JEV IC51 (IXIARO®, JESPECT®) in Pediatric Population In Non Endemic Countries. Uncontrolled, Ph3 FU-Study

Lead Sponsor:

Valneva Austria GmbH

Conditions:

Japanese Encephalitis

Eligibility:

All Genders

9-20 years

Phase:

PHASE3

Brief Summary

The study investigates long-term immunity and safety of IC51 (IXIARO®, JESPECT®) in a pediatric population vaccinated in the parent study IC51-322.

Eligibility Criteria

Inclusion

  • Subjects who have received two vaccinations in study IC51 322. (2) Subjects who were enrolled as part of the immunogenicity subgroup of study IC51-322.
  • Male or female healthy subjects aged ≥ 9 months to \< 21 years at the time of enrolment into this study.
  • Written informed consent by the subject, the subject's legal representative(s), according to local requirements, and written informed assent of the subject, if applicable.

Exclusion

  • History of or clinical manifestation of any Flavivirus disease during study IC51-322.
  • Vaccination against JE virus (JEV) (except with IC51) at any time prior or planned during this study.
  • Participation in another study with an investigational product during study IC51-322 or IC51-324.
  • History of or development of any immunodeficiency including post-organtransplantation after inclusion into study IC51-322.
  • History of or development of an autoimmune disease during study IC51-322.
  • Administration of chronic (defined as more than 14 days) immunosuppressants or other immune-modifying medications started during study IC51-322 up to first visit of study IC51-324. (For corticosteroids this means prednisone or equivalent at \>= 0.05 mg/kg/day. Topical or inhaled steroids are allowed).
  • Known infection with human immunodeficiency virus (HIV), hepatitis B virus (HBV) or hepatitis C virus (HCV).
  • Illicit drug use and/or a history of drug or alcohol addiction and/or current drug or alcohol addiction.
  • Inability or unwillingness by the legal representative(s) and/or the subject (where applicable) to provide informed consent/assent and to abide by the requirements of the study.
  • Persons who are committed to an institution (by virtue of an order issued either by the judicial or the administrative authorities).

Key Trial Info

Start Date :

October 1 2010

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

September 1 2014

Estimated Enrollment :

23 Patients enrolled

Trial Details

Trial ID

NCT01246479

Start Date

October 1 2010

End Date

September 1 2014

Last Update

March 18 2020

Active Locations (5)

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Page 1 of 2 (5 locations)

1

Tampa, Florida, United States

2

Brisbane, Australia

3

Melbourne, Australia

4

Berlin, Germany