Actively Recruiting
Immune Persistence After the Whole Vaccination Shcedule With Recombination Quadrivalent HPV Vaccine
Led by Shanghai Bovax Biotechnology Co., Ltd. · Updated on 2024-04-17
600
Participants Needed
2
Research Sites
259 weeks
Total Duration
On this page
AI-Summary
What this Trial Is About
To access the immune persistence of Chinese women aged 9-45 years after receiving quadrivalent HPV vaccine with the immunization schedule of 0, 2 and 6 months.
CONDITIONS
Official Title
Immune Persistence After the Whole Vaccination Shcedule With Recombination Quadrivalent HPV Vaccine
Who Can Participate
Eligibility Criteria
You may qualify if you...
- Participated in the phase III clinical trial or bridging study of quadrivalent HPV vaccine, completed all three doses, and provided blood samples at month 7
- Females aged 9 to 17 years at Mianyang site with legal guardian providing identification
- Females aged 18 to 45 years with legal identification
- Voluntarily agree to enroll in the study and sign informed consent (minor and guardian consent required)
- Able to understand study procedures and commit to regular follow-ups
You will not qualify if you...
- Currently enrolled or planning to enroll in other clinical drug or vaccine trials (except observational studies or specific post-exemption safety follow-up at Mianyang site)
- Having thrombocytopenia or any blood clotting disorder that contraindicates blood collection (such as coagulation factor deficiency or platelet abnormalities)
- Any condition judged by the investigator that could interfere with immune persistence evaluation
AI-Screening
AI-Powered Screening
Complete this quick 3-step screening to check your eligibility
Trial Site Locations
Total: 2 locations
1
Yangchun Center For Disease Prevention And Control
Yangchun, Guangdong, China
Actively Recruiting
2
Center for Disease Control and Prevention
Mianyang, Sichuan, China
Actively Recruiting
Research Team
J
Jikai Zhang
CONTACT
How is the study designed?
Study Type
OBSERVATIONAL
Masking
N/A
Allocation
N/A
Model
N/A
Primary Purpose
N/A
Number of Arms
0
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