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Immunogenicity and Safety of Meningococcal ACYW135 Polysaccharide Conjugate Vaccine in Volunteers Aged From 3 to 35 Months

A Single-center, Randomized, Double-blind, Parallel Control Phase II Clinical Trial to Evaluate Immunogenicity and Safety of Meningococcal ACYW135 Polysaccharide Conjugate Vaccine in Healthy Volunteers Aged From 3 to 35 Months

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05229536
Enrollment
720
Registered
2022-02-08
Start date
2018-12-21
Completion date
2019-11-21
Last updated
2022-02-25

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Meningitis, Meningococcal

Brief summary

The purpose of this study is to evaluate the immunogenicity and safety of Meningococcal ACYW135 Polysaccharide Conjugate Vaccine in healthy volunteers aged from 3 months to 35 years.

Interventions

Group 1: 3/2/1 dose(s) according to age of subjects. Single intramuscular dose contains 10 µg each of Serogroup A, C, Y, and W135 polysaccharide conjugate.

Sponsors

Beijing Zhifei Lvzhu Biopharmaceutical Co., Ltd
Lead SponsorINDUSTRY

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
PREVENTION
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
3 Months to 35 Months
Healthy volunteers
Yes

Inclusion criteria

* People aged 3-35 months; * Subject who has not been vaccinated with meningococcal group A and C conjugate vaccine, meningococcal group A polysaccharide vaccine and meningococcal group A and C and haemophilus b conjugate vaccine at the aged of 3-11 months, and who have't given boost immunity above 1 year old, and they all meet the physical examination requirements of the project; * Infants aged 3-11 months should be full-term (37-42 weeks of gestation) and their birth weight should meet the requirements (2500g ≤ body weight ≤ 4000g); * The guardian signs the informed consent form; * The guardian and his family agree to comply with the requirements of the clinical trial protocol; * Subject who had no history of other live vaccines within 14 days before vaccination and no history of other inactivated vaccines within 7 days; * Axillary body temperature ≤ 37.0 ℃.

Exclusion criteria

* History of severe allergic reactions requiring medical intervention (such as swelling of mouth and throat, dyspnea, hypotension or shock); * Have a history of allergy to the vaccine or vaccine ingredients (especially those allergic to tetanus toxoid), or have a history of other serious adverse reactions to the vaccine; * A clearly diagnosed history of thrombocytopenia or other coagulation disorders that may cause contraindications to intramuscular injection; * Abnormal production process, asphyxia rescue history, or congenital malformation, developmental disorder or serious chronic disease; * Has serious cardiovascular, liver and kidney diseases or congenital abnormalities and HIV infection; * Suffer from encephalopathy, uncontrolled epilepsy, convulsion and other progressive nervous system diseases; * Acute disease, severe chronic disease, acute attack of chronic disease and fever (axillary body temperature ≥ 38.0 ℃) in the past 3 days; * Plan to participate or be participating in any other drug clinical research; * The interval between the first dose of test vaccine and meningococcal group A polysaccharide vaccine is less than 28 days; * According to the judgment of the investigator, the subject has any other factors that are not suitable for participating in the clinical trial.

Design outcomes

Primary

MeasureTime frameDescription
Immunogenicity study of Meningococcal ACYW135 Polysaccharide Conjugate Vaccine as assessed by positive conversion rate30 day after each vaccination
Safety study of Meningococcal ACYW135 Polysaccharide Conjugate Vaccine as assessed by the occurrence of adverse events30 day after each vaccinationEvaluate the incidence of adverse reactions for Meningococcal ACYW135 Polysaccharide Conjugate Vaccine

Countries

China

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026