A Safety and Efficacy Study of Two Japanese Encephalitis Vaccines ChimeriVaxTM-JE and JE-VAX

NCT ID: NCT00319592

Last Updated: 2012-08-20

Study Results

Results available

Outcome measurements, participant flow, baseline characteristics, and adverse events have been published for this study.

View full results

Basic Information

Get a concise snapshot of the trial, including recruitment status, study phase, enrollment targets, and key timeline milestones.

Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

60 participants

Study Classification

INTERVENTIONAL

Study Start Date

2005-05-31

Study Completion Date

2006-09-30

Brief Summary

Review the sponsor-provided synopsis that highlights what the study is about and why it is being conducted.

The purpose of this study is to determine non-inferiority in seroconversion and to compare the safety and tolerability between ChimeriVax™-JE and JE-VAX® to the respective homologous virus strain and several wild types strains after completion of vaccination course.

Detailed Description

Dive into the extended narrative that explains the scientific background, objectives, and procedures in greater depth.

Conditions

See the medical conditions and disease areas that this research is targeting or investigating.

Japanese Encephalitis

Keywords

Explore important study keywords that can help with search, categorization, and topic discovery.

Japanese encephalitis ChimeriVax™-JE JE-VAX®

Study Design

Understand how the trial is structured, including allocation methods, masking strategies, primary purpose, and other design elements.

Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

PREVENTION

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

Review each arm or cohort in the study, along with the interventions and objectives associated with them.

ChimeriVax™-JE

Subjects received 2 injections of placebo (normal saline), 1 each on Days 0 and 7, and 1 injection of ChimeriVax™-JE on Day 28.

Group Type EXPERIMENTAL

ChimeriVax™-JE vaccine

Intervention Type BIOLOGICAL

0.5 mL, subcutaneously

JE-VAX®

Subjects received 1 injection of JE-VAX® each on Days 0, 7, and 28.

Group Type ACTIVE_COMPARATOR

JE-VAX® vaccine

Intervention Type BIOLOGICAL

1.0 mL, subcutaneously

Interventions

Learn about the drugs, procedures, or behavioral strategies being tested and how they are applied within this trial.

ChimeriVax™-JE vaccine

0.5 mL, subcutaneously

Intervention Type BIOLOGICAL

JE-VAX® vaccine

1.0 mL, subcutaneously

Intervention Type BIOLOGICAL

Other Intervention Names

Discover alternative or legacy names that may be used to describe the listed interventions across different sources.

ChimeriVax™-JE JE-VAX®

Eligibility Criteria

Check the participation requirements, including inclusion and exclusion rules, age limits, and whether healthy volunteers are accepted.

Inclusion Criteria

* Written informed consent obtained.
* Aged ≥18 to \<49 years.
* In good general health.
* Available for the study duration, including all planned follow-up visits.
* Females must have negative pregnancy test and be using adequate form of contraception

Exclusion Criteria

* Clinically significant abnormalities on laboratory and vital sign assessments.
* Anaphylaxis or other serious adverse reactions
* Administration of another vaccine within 30 days of study treatment period.
* Physical examination indicating any significant medical condition.
* Intention to travel out of the area prior to the study visit on Day 56.
* Seropositive to Hepatitis C Virus (HCV) or Human Immunodeficiency Virus (HIV) or positive for Hepatitis B Surface Antigen.
* Pregnancy.
* Excessive alcohol consumption, drug abuse.
* Involvement in another clinical study within 60 days preceding the screening visit and during study treatment period.
Minimum Eligible Age

18 Years

Maximum Eligible Age

48 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

Yes

Sponsors

Meet the organizations funding or collaborating on the study and learn about their roles.

PRA Health Sciences

INDUSTRY

Sponsor Role collaborator

Sanofi

INDUSTRY

Sponsor Role lead

Responsible Party

Identify the individual or organization who holds primary responsibility for the study information submitted to regulators.

Responsibility Role SPONSOR

Principal Investigators

Learn about the lead researchers overseeing the trial and their institutional affiliations.

Nancy L Abdou, MD

Role: PRINCIPAL_INVESTIGATOR

PRA Health Sciences

Locations

Explore where the study is taking place and check the recruitment status at each participating site.

Clinical Pharamacology Center

Lenexa, Kansas, United States

Site Status

Countries

Review the countries where the study has at least one active or historical site.

United States

Other Identifiers

Review additional registry numbers or institutional identifiers associated with this trial.

H-040-008

Identifier Type: -

Identifier Source: org_study_id