Post-licensure Safety Study of IMOJEV® in Thailand
Post-licensure, Phase IV, Safety Study of IMOJEV® in Thailand
The aim of this study is to further characterize the safety profile of IMOJEV®.
Primary Objective:
- To describe serious adverse events (SAEs, including adverse events of special interest [AESIs]) up to 60 days after administration of one dose of IMOJEV®.
Secondary Objective:
- To describe Grade 3 (severe) systemic Adverse Events (AEs) up to 30 minutes after administration of one dose of IMOJEV®.
Study Overview
Status
Status
Conditions
Conditions
Intervention / Treatment
Intervention / Treatment
Detailed Description
Study Type
Study Type
Enrollment (Actual)
Enrollment
Phase
Phase
- Phase 4
Contacts and Locations
Study Locations
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-
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Bangkok, Thailand, 10400
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Bangkok, Thailand, 10330
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Chiang Mai, Thailand, 50200
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Khon Kaen, Thailand, 40002
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Nakornnayok, Thailand, 26120
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Nonthaburi, Thailand, 11120
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Pathumthani, Thailand, 12120
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Songkla, Thailand, 90110
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-
Participation Criteria
Eligibility Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Children requiring vaccination against Japanese encephalitis
- Children aged 9 months to less than 5 years on the day of inclusion
- In good general health at the time of inclusion
- Informed consent form has been signed and dated by the parent(s)/legal guardian(s)
- Subject and parent(s)/legal guardian(s) are able to attend the scheduled visit and any additional visits that may need to be done in case of an SAE (including AESI), and are able to comply with all trial procedures
- The subject's parent(s)/legal guardian(s) have a telephone number at which they can be contacted throughout the study
Exclusion Criteria:
- Participation in another clinical trial investigating a vaccine, drug, medical device, or medical procedure in the 4 weeks preceding the vaccination
- Receipt of any vaccine in the 4 weeks preceding the study vaccination or planned receipt of any vaccine in the 4 weeks following the study vaccination
- Planned participation in another clinical trial during the present trial period
- Children previously vaccinated with the live attenuated Japanese encephalitis vaccine CD-JEVAX® (SA14-14-2 LAV)
- Contraindications to vaccination according to the IMOJEV® Summary of Product Characteristics (SmPC)
- Identified as a natural or adopted child of the Investigator or employee with direct involvement in the proposed study
- Children who received IMOJEV® as primary vaccination in this study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Non-Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Number of Arms
Arms and Interventions
Participant Group / ArmParticipant Group / Arm |
Intervention / TreatmentIntervention / Treatment |
|---|---|
|
Experimental: Primary Vaccination Group
Participants who never received a JE vaccine, or who received a single dose of inactivated JE vaccine, or whose JE vaccination history is unknown or not documented.
|
0.5 mL, Subcutaneous.
Other Names:
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Active Comparator: Booster Vaccination Group
Participants who received at least 2 doses of inactivated JE vaccine (at least 1 year earlier for the last dose), or received a single dose of IMOJEV®, THAIJEV®, or IMOJEV® MD as part of the routine vaccination schedule (i.e., outside of Study JEC17) at least 1 year earlier
|
0.5 mL, Subcutaneous.
Other Names:
|
What is the study measuring?
Primary Outcome Measures
Primary Outcome Measures
Outcome Measure |
Time Frame |
|---|---|
|
Number of Participants Experiencing a Grade 3 Immediate Systemic Adverse Events and Serious Adverse Events Following Any Vaccination With IMOJEV®
Time Frame: 30 minutes post-vaccination up to Day 60 post-vaccination
|
30 minutes post-vaccination up to Day 60 post-vaccination
|
|
Number of Participants Experiencing Serious Adverse Events By Age Following Any Vaccination With IMOJEV®
Time Frame: Day O up to Day 60 post-vaccination
|
Day O up to Day 60 post-vaccination
|
Secondary Outcome Measures
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
|---|---|---|
|
Number of Participants Experiencing Adverse Events of Special Interest Within 60 Days Following Vaccination With IMOJEV®
Time Frame: Day O up to Day 60 post-vaccination
|
Adverse Events of Special Interest (AESIs) included hypersensitivity/allergic reactions, neurological events (including febrile convulsions), and vaccine failure.
|
Day O up to Day 60 post-vaccination
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Collaborators and Investigators
Sponsor
Sponsor
Publications and helpful links
Helpful Links
Study record dates
Study Major Dates
Study Start
Study Start
Primary Completion (Actual)
Primary Completion
Study Completion (Actual)
Study Completion
Study Registration Dates
First Submitted
First Submitted
First Submitted That Met QC Criteria
First Submitted That Met QC Criteria
First Posted (Estimate)
First Posted
Study Record Updates
Last Update Posted (Estimate)
Last Update Posted
Last Update Submitted That Met QC Criteria
Last Update Submitted That Met QC Criteria
Last Verified
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Brain Diseases
- Central Nervous System Diseases
- Nervous System Diseases
- RNA Virus Infections
- Virus Diseases
- Infections
- Encephalitis, Arbovirus
- Encephalitis, Viral
- Central Nervous System Viral Diseases
- Central Nervous System Infections
- Infectious Encephalitis
- Arbovirus Infections
- Vector Borne Diseases
- Flavivirus Infections
- Flaviviridae Infections
- Encephalitis, Japanese
- Encephalitis
- Physiological Effects of Drugs
- Immunologic Factors
- Vaccines
Other Study ID Numbers
Other Study ID Numbers
- JEC17
- U1111-1127-7052 (Other Identifier: WHO)
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