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IMOJEV

Phase 3

Japanese Encephalitis | Monoclonal antibody | Infectious Disease |Sanofi|Last Updated: Mar 28, 2022

Success Probability

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Trial Design

UNCONTROLLED
Total Trials1
Total Enrollment119

FDA Designations

No designations recorded

Clinical trial landscape

IMOJEV · 1 trial · 1 indication

Phase 3 1
NCT01900444Study of a Booster Dose of IMOJEV® One Year After Primary Immunization in Healthy Children in South KoreaJapanese Encephalitis
COMPLETED119 Analytics
PHASE3COMPLETED
Study of a Booster Dose of IMOJEV® One Year After Primary Immunization in Healthy Children in South Korea
Japanese EncephalitisUnlock trial analytics

Study Endpoints

Primary Endpoints

Percentage of Participants With JE Seroprotection Before and Following a Booster Dose of IMOJEV Given One Year After Primary Immunization
Day 0 (pre-booster) and Day 28 post-booster injection

JE virus neutralizing antibodies were measured using a 50% plaque reduction neutralization test (PRNT50). Seroprotection status for antibody levels against JE virus before and after IMOJEV vaccination was defined as antibody titers ≥ 10 (1/dilution).

Percentage of Participants With JE Seroconversion Following a Booster Dose of IMOJEV Given One Year After Primary Immunization
Day 28 post-booster injection

JE virus neutralizing antibodies were measured using PRNT50. Seroconversion was defined as a pre-vaccination titer \<10 (1/dilution) and post-vaccination titer ≥10 (1/dilution, or pre-vaccination titer ≥10 (1/dilution) and a ≥4-fold increase of titers from pre- to post-vaccination.

Summary of Geometric Mean Titers of JE Virus Antibodies Following a Booster Dose of IMOJEV Given One Year After Primary Immunization
Day 0 (pre-booster) and Day 28 post-booster injection

JE virus neutralizing antibodies were measured using PRNT50 test.

Summary of Geometric Mean Titer Ratios of JE Virus Antibodies Following a Booster Dose of IMOJEV Given One Year After Primary Immunization
Day 0 (pre-booster) and Day 28 post-booster injection

JE virus neutralizing antibodies were measured using PRNT50.

Percentage of Participants With JE Seroprotection Before and After a Booster Dose of IMOJEV Given At Different Intervals After Primary Immunization
Day 0 (pre-booster) and Day 28 post-booster injection

JE virus neutralizing antibodies were measured using PRNT50. Seroprotection was defined as neutralizing antibody titer ≥ 10 (1/dilution).

Percentage of Participants With JE Seroconversion Following a Booster Dose of IMOJEV Given At Different Intervals After Primary Immunization
Day 28 post-booster injection

JE virus neutralizing antibodies were measured using PRNT50. Seroconversion was defined as a pre-vaccination titer \<10 (1/dilution) and post-vaccination titer ≥10 (1/dilution, or pre-vaccination titer ≥10 (1/dilution) and a ≥4 fold increase from pre- to post-vaccination.

Summary of Geometric Mean Titers of JE Virus Antibodies Following a Booster Dose of IMOJEV At Different Intervals After Primary Immunization
Day 0 (pre-booster) and Day 28 post-booster injection

JE virus neutralizing antibodies were measured using PRNT50.

Summary of Geometric Mean Titer Ratios of JE Virus Antibodies Following a Booster Dose of IMOJEV Given At Different Intervals After Primary Immunization
Day 0 (pre-booster) and Day 28 post-booster injection

JE virus neutralizing antibodies were measured using PRNT50.

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Study Design & Arms

AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposePREVENTION

Treatment Arms

ArmTypeDescription
IMOJEV GroupEXPERIMENTALParticipants who received a single dose of IMOJEV in study JEC12 (NCT01396512) will receive a booster dose in this study.

Interventions

NameTypeDescription
IMOJEVBIOLOGICAL0.5 mL, Subcutaneous
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Eligibility Criteria

Age Range2 Years to 4 Years
SexALL
Healthy VolunteersYes
Study Sites8

Inclusion Criteria: * Must have participated in study JEC12 and received 1 dose of IMOJEV at least 12 months before booster vaccination * Age 2 to 4 years on the day of inclusion * In good general health at the time of inclusion * Informed Concent Form signed and dated by parent(s) or another legal...

Countries:South Korea
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Frequently asked questions about IMOJEV

What is IMOJEV used for?

IMOJEV is a vaccine used for Japanese Encephalitis, a viral infection of the brain spread by mosquitoes. It is being developed by Sanofi and is currently in Phase 3 clinical development. The drug is intended for use in healthy children, as studied in a clinical trial in South Korea.

Who makes IMOJEV?

IMOJEV is being developed by Sanofi, a global biopharmaceutical company listed on the stock exchange under the ticker SNY. The company is conducting clinical trials to evaluate the vaccine for the prevention of Japanese Encephalitis.

What phase is IMOJEV in?

IMOJEV is in Phase 3 clinical development. It is an investigational vaccine, meaning it has not yet been approved by regulatory authorities. The Phase 3 trial has been completed, and the vaccine is being studied for use in Japanese Encephalitis.

What clinical trials is IMOJEV in?

IMOJEV has one completed Phase 3 clinical trial with the identifier NCT01900444. The trial, titled 'Study of a Booster Dose of IMOJEV® One Year After Primary Immunization in Healthy Children in South Korea,' enrolled 119 participants and was conducted in South Korea.

Is IMOJEV a monoclonal antibody?

Yes, IMOJEV is classified as a monoclonal antibody. It is being developed as a vaccine for Japanese Encephalitis, a mosquito-borne viral infection. The drug is currently in Phase 3 clinical trials and is intended for use in healthy children.