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Group ACYW135X Meningococcal Conjugate Vaccine

Phase 1

Meningococcal Meningitis | Vaccine | Infectious Disease |Sinovac Biotech, Ltd|Trials Updated: Jan 28, 2026

Group ACYW135X Meningococcal Conjugate Vaccine target and mechanism

ModalityVaccine

Also known as high-dose Group ACYW135X Meningococcal Conjugate Vaccine

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment150

FDA Designations

No designations recorded

Group ACYW135X Meningococcal Conjugate Vaccine clinical trials

Group ACYW135X Meningococcal Conjugate Vaccine · 1 trial · 1 indication

Phase 1 1
NCT07374510Phase Ia Clinical Trial of Group ACYW135X Meningococcal Conjugate VaccineMeningococcal Meningitis
NOT YET_RECRUITING150 Analytics
PHASE1NOT YET_RECRUITING
Phase Ia Clinical Trial of Group ACYW135X Meningococcal Conjugate Vaccine
Meningococcal MeningitisUnlock trial analytics

Study Endpoints

Primary Endpoints

Evaluate the safety of experimental vaccine among participants in different age groups (based on adverse reactions)
30 days

The incidence rates of adverse reactions 30 days after vaccination

Secondary Endpoints

Evaluate the safety of experimental vaccine among participants in different age groups (based on AE and laboratory abnormalities)
30 days
Evaluate the immunogenicity of experimental vaccine among participants aged 2~6 years old
30 days
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelSEQUENTIAL
PurposePREVENTION

Treatment Arms

ArmTypeDescription
high-dose experimental groupEXPERIMENTAL2\~59 years old
medium-dose experimental groupEXPERIMENTAL2\~59 years old
low-dose experimental groupEXPERIMENTAL2\~6 years old
placebo groupPLACEBO_COMPARATOR2\~6 years old
active control groupACTIVE_COMPARATOR2\~3 years old

Interventions

NameTypeDescription
high-dose Group ACYW135X Meningococcal Conjugate VaccineBIOLOGICALhigh-dose Group ACYW135X Meningococcal Conjugate Vaccine
medium-dose Group ACYW135X Meningococcal Conjugate VaccineBIOLOGICALmedium-dose Group ACYW135X Meningococcal Conjugate Vaccine
low-dose Group ACYW135X Meningococcal Conjugate VaccineBIOLOGICALlow-dose Group ACYW135X Meningococcal Conjugate Vaccine
Group ACYW135 Meningococcal Conjugate Vaccine (CRM197)BIOLOGICALGroup ACYW135 Meningococcal Conjugate Vaccine (CRM197)
PlaceboBIOLOGICALplacebo
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Eligibility Criteria

Age Range2 Years to 59 Years
SexALL
Healthy VolunteersYes

Inclusion Criteria: * Healthy participants aged 2 to 59 years; * The participant and/or their legal guardian can understand and voluntarily sign the informed consent form (for participants aged 8 to 17 years, the form must be signed jointly by the participant and their legal guardian); * Be willing...

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Frequently asked questions about Group ACYW135X Meningococcal Conjugate Vaccine

What is Group ACYW135X Meningococcal Conjugate Vaccine?

Group ACYW135X Meningococcal Conjugate Vaccine is an investigational vaccine developed by Sinovac Biotech, Ltd for the prevention of meningococcal meningitis, an infectious disease. It is designed as a conjugate vaccine covering meningococcal groups A, C, Y, W135, and X, and is being studied in a Phase 1 clinical program.

What is Group ACYW135X Meningococcal Conjugate Vaccine used for?

Group ACYW135X Meningococcal Conjugate Vaccine is being developed for meningococcal meningitis, an infectious disease of the membranes surrounding the brain and spinal cord. The Phase 1 trial enrolls healthy volunteers from 2 years of age, reflecting a preventive vaccine intended for use in broad age groups.

Who makes Group ACYW135X Meningococcal Conjugate Vaccine?

Sinovac Biotech, Ltd develops Group ACYW135X Meningococcal Conjugate Vaccine. Sinovac trades under the ticker SVA. The company is the sponsor of the vaccine's Phase 1 clinical program in meningococcal meningitis.

What phase is Group ACYW135X Meningococcal Conjugate Vaccine in?

Group ACYW135X Meningococcal Conjugate Vaccine is in Phase 1 development. It is an investigational vaccine and has not completed clinical development. The Phase 1 program consists of one trial that is not yet recruiting, with no completed trials reported for this asset.

What clinical trials is Group ACYW135X Meningococcal Conjugate Vaccine in?

Group ACYW135X Meningococcal Conjugate Vaccine is being studied in one Phase 1 trial, NCT07374510, titled Phase Ia Clinical Trial of Group ACYW135X Meningococcal Conjugate Vaccine. The trial targets meningococcal meningitis, is not yet recruiting, and plans to enroll 150 healthy volunteers aged 2 years and older.

How is the Phase 1 trial of Group ACYW135X Meningococcal Conjugate Vaccine designed?

The Phase 1 trial NCT07374510 is a randomized, double-blind, placebo-controlled study of Group ACYW135X Meningococcal Conjugate Vaccine. It plans to enroll 150 healthy volunteers of all sexes, aged 2 years and older, in the meningococcal meningitis indication. The trial is not yet recruiting.

Is Group ACYW135X Meningococcal Conjugate Vaccine the same as high-dose Group ACYW135X Meningococcal Conjugate Vaccine?

Yes. High-dose Group ACYW135X Meningococcal Conjugate Vaccine is another name used for Group ACYW135X Meningococcal Conjugate Vaccine, the Sinovac Biotech vaccine in Phase 1 development for meningococcal meningitis. Both names refer to the same investigational asset studied in trial NCT07374510.