A Clinical Trial of the ACYW135 Group Meningococcal Polysaccharide-Conjugated Vaccine (CRM197 Vector)
Starting soon
Conditions studied: Epidemic Meningitis
In brief
This study included 180 trial participants who had previously taken part in the Phase IIIb clinical trial of the ACYW135 group meningococcal polysaccharide-conjugated vaccine (CRM197 carrier) for children aged 4-6 years (Protocol No.: CTP-MCVF-002) and had completed blood sample collection at 90 and 180 days post-vaccination; there were 90 participants in each of the treatment and control groups. All trial participants were required to provide 3.0-4.0 mL of blood samples for immunopersistence assessment at 3 and 5 years post-vaccination, respectively.
Key facts
- Study ID
- NCT07743411
- Run by
- CanSino Biologics Inc.
- People needed
- 180
- Starts
- 2026-09-15
- Expected to finish
- 2028-09-15
- Last updated by the study team
- 2026-08-03
Who can join
Age: 7 and older, up to 9. Sex: any. Healthy volunteers: accepted.
You may qualify if…
- Individuals who previously participated in the Phase IIIb clinical trial of the ACYW135 group meningococcal polysaccharide-conjugated vaccine (CRM197 carrier) for children aged 4-6 years (Protocol No.: CTP-MCVF-002) and were included in both the IPS1 and IPS2 analysis sets
- Willing to provide identification documents
- Willing to provide informed consent, voluntarily sign the informed consent form, and comply with the requirements of the clinical study protocol
- The interval since completion of the vaccination series must be at least 3 years
You may not qualify if…
- Received another meningococcal vaccine after completion of the CTP-MCVF-002 trial
- Has thrombocytopenia, any coagulation disorder, or is currently receiving anticoagulant therapy
- Has a history of meningitis since the end of the CTP-MCVF-002 trial
- Other conditions deemed by the investigator to make the subject ineligible for this clinical study
Full record on ClinicalTrials.gov
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