Antibody Response of a Boosted Japanese Encephalitis Chimeric Virus Vaccine (JE-CV) in Children
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ClinicalTrials.gov Identifier: NCT01954810 |
Recruitment Status : Unknown
Verified October 2013 by Pope Kosalaraksa, Khon Kaen University.
Recruitment status was: Not yet recruiting
First Posted : October 7, 2013
Last Update Posted : October 8, 2013
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Condition or disease | Intervention/treatment | Phase |
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Japanese Encephalitis | Biological: Japanese encephalitis chimeric vaccine (JECV) | Phase 4 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 88 participants |
Allocation: | N/A |
Intervention Model: | Single Group Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Prevention |
Official Title: | Assessment of Antibody Response of a Boosted Japanese Encephalitis Chimeric Virus Vaccine (JE-CV) in Children Previously Immunized With a Single Dose of JE-CV |
Study Start Date : | October 2013 |
Estimated Primary Completion Date : | December 2013 |
Estimated Study Completion Date : | May 2014 |

Arm | Intervention/treatment |
---|---|
No Intervention: Japanese encephaltis chimerix vaccine
This is a single-arm study. Japanese encephalitis chimeric vaccine (JECV) will be administered to all subjects and check for antibody response 4 weeks after vaccination.
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Biological: Japanese encephalitis chimeric vaccine (JECV)
Japanese encephalitis chimeric vaccine (JECV)will be administered to every children in the study for one dose and check for antibody response 4 weeks after vaccination
Other Name: IMOJEV |
- Neutralizing antibody titers after JECV vaccination [ Time Frame: 28 days ]Neutralizing antibody titers before JECV booster (on D0), and after IMOJEV booster (on D28)

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Ages Eligible for Study: | 72 Months to 80 Months (Child) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | Yes |
Inclusion Criteria:
- Subject who was vaccinated with 1 dose JE-CV in JEC02 and participated in 5 year follow-up in JEC05 trial and finished year 5 of follow-up.
- Provision of Informed Consent Form signed by at least one parent or other legally acceptable representative.
- Subject and parent/legally acceptable representative or guardian able to attend all scheduled visits and to comply with all trial procedures
- In good general health, based on medical history and physical examination
Exclusion Criteria:
- Participation in another clinical trial investigating a vaccine which need to have vaccination or blood draw within the 4 weeks preceding the trial vaccination except JEC05
- Planned participation in another clinical trial during the Day0-Day28 period
- Receipt of live vaccine within 4 weeks preceding the trial vaccination
- Planned receipt of any vaccine in the 4 weeks following the trial vaccination
- Receipt of blood or blood-derived products in the past 3 months, which might interfere with assessment of the immune response
- Known systemic hypersensitivity to any of the vaccine components, or history of a life-threatening reaction to the vaccine used in the trial or to a vaccine containing any of the same substances
- Chronic illness or any underlying illness that, in the opinion of the investigator, is at a stage where it might interfere with trial conduct or completion

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT01954810
Contact: Pope Kosalaraksa, M.D. | +66-89-7112236 | pkosalaraksa@yahoo.com |
Thailand | |
Department of Pediatrics, Faculty of Medicine, Khon Kaen University | |
Muang, Khon Kaen, Thailand, 40002 | |
Contact: Surapon Wiangnon, M.D. +66-43-348382 suraponwiangnon@gmail.com | |
Principal Investigator: Pope Kosalaraksa, M.D. |
Principal Investigator: | Pope Kosalaraksa, M.D. | Khon Kaen University |
Responsible Party: | Pope Kosalaraksa, Associate Professor, Khon Kaen University |
ClinicalTrials.gov Identifier: | NCT01954810 |
Other Study ID Numbers: |
JEC24 |
First Posted: | October 7, 2013 Key Record Dates |
Last Update Posted: | October 8, 2013 |
Last Verified: | October 2013 |
JECV IMOJEV Booster response |
Children antibody response Duration |
Encephalitis, Japanese Encephalitis Brain Diseases Central Nervous System Diseases Nervous System Diseases Encephalitis, Arbovirus Encephalitis, Viral Central Nervous System Viral Diseases Central Nervous System Infections |
Infections Infectious Encephalitis Arbovirus Infections Vector Borne Diseases Virus Diseases RNA Virus Infections Flavivirus Infections Flaviviridae Infections |