Plateau Antibody Levels of a Recombinant (E.Coli) HPV Nonavalent Vaccine Versus Gardasil®9 in Young Women
An Observational Study to Compare Plateau Antibody Levels of a Recombinant (E.Coli) Human Papillomavirus Nonavalent (Type 6/11/16/18/31/33/45/52/58) Vaccine Versus Gardasil®9 in Healthy Females 18-26 Years of Age
1 other identifier
observational
392
1 country
1
Brief Summary
This study is designed to compare plateau antibody levels of a novel recombinant human papillomavirus vaccine (types 6,11,16,18,31,33,45,52,58 )(E.Coli) manufactured by Xiamen Innovax Biotech CO., Ltd., with Gardasil®9 in females 18-26 Years of Age.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for all trials
Started Dec 2023
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
December 26, 2023
CompletedStudy Start
First participant enrolled
December 30, 2023
CompletedFirst Posted
Study publicly available on registry
January 9, 2024
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 5, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
September 1, 2025
CompletedJuly 31, 2025
July 1, 2025
3 months
December 26, 2023
July 28, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Anti-HPV 6, 11, 16, 18, 31, 33, 45, 52, and 58 type specific neutralizing antibody level
Anti-HPV 6,11,16,18,31,33,45,52 and 58 seropositive rates and geometric mean concentrations at months 30-36
30-36 months after the first dose
Study Arms (2)
Recombinant Human Papillomavirus Nonavalent (Types 6,11,16,18,31,33,45,52,58) Vaccine(E.Coli) group
Subjects would receive 3 doses of 270μg/0.5ml Recombinant HPV nonavalent (Types 6/11/16/18/31/33/45/52/58) Vaccine(E.Coli)
Gardasil®9 group
Subjects would receive 3 doses of 270μg/0.5ml Gardasil®9
Interventions
Three doses administered intramuscularly at 0, 45 day and 6 month.
Three doses administered intramuscularly at 0, 45 day and 6 month.
Eligibility Criteria
Subject who had previously participated in the Randomized, Single-blind Study to Compare Immunogenicity of a Recombinant Human Papillomavirus Nonavalent (Types 6,11,16,18,31,33,45,52,58) Vaccine(E.Coli) (Xiamen Innovax Biotech Co.,Ltd.) Versus Gardasil®9 (Merck \& Co., Inc.) in Healthy Females 18-26 Years of Age (Protocol No.: HPV-PRO-011, Identifiers: NCT04782895), and received at least one dose
You may qualify if:
- Subject who had previously participated in the Randomized, Single-blind Study to Compare Immunogenicity of a Recombinant Human Papillomavirus Nonavalent (Types 6,11,16,18,31,33,45,52,58) Vaccine(E.Coli) (Xiamen Innovax Biotech Co.,Ltd.) Versus Gardasil®9 (Merck \& Co., Inc.) in Healthy Females 18-26 Years of Age (Protocol No.: HPV-PRO-011, Identifiers: NCT04782895), and received at least one dose ;
- Subject is able to understand and comply with the requirements of the protocol(e.g. biological specimen collection, return for follow-up visits), and written informed consent must be obtained from the subject prior to enrollment;
You may not qualify if:
- Subject who had used other HPV vaccine products (including marketed and unmarketed vaccines) after participating in the Randomized, Single-blind Study to Compare Immunogenicity of a Recombinant Human Papillomavirus Nonavalent (Types 6,11,16,18,31,33,45,52,58) Vaccine(E.Coli) (Xiamen Innovax Biotech Co.,Ltd.) Versus Gardasil®9 (Merck \& Co., Inc.) in Healthy Females 18-26 Years of Age (Protocol No.: HPV-PRO-011, Identifiers: NCT04782895) ;
- Subject has abnormal coagulation function (such as coagulation factor deficiency, coagulopathy, platelet abnormalities) or coagulation disorders;
- Medical, psychological, social conditions, occupation or other factors, which considered by the investigator that may influence the conduct of the clinical study.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Xiamen Universitylead
- Xiamen Innovax Biotech Co., Ltdcollaborator
- Beijing Wantai Biological Pharmacy Enterprise Co., Ltd.collaborator
Study Sites (1)
Jiangsu Provincial Centre for Disease Control and Prevention
Nanjing, Jiangsu, 210009, China
Related Publications (1)
Zhong GH, Bi ZF, Chu K, Zhang L, Chen L, Zhu KX, Quan JL, Nie C, Chen Q, Qiu LX, Xu JB, Li JX, Zhang ML, Liu S, Nie LL, Li K, Su YY, Huang SJ, Zhang QF, Huang WJ, Pan HX, Wu T, Zhang J, Xia NS. Immunogenicity comparison of an Escherichia coli-produced 9-valent human papillomavirus vaccine and Gardasil9 in Chinese women aged 18-26 years: three-year follow-up data from a randomised clinical trial. Lancet Reg Health West Pac. 2025 Aug 27;62:101671. doi: 10.1016/j.lanwpc.2025.101671. eCollection 2025 Sep.
PMID: 40919385DERIVED
MeSH Terms
Conditions
Condition Hierarchy (Ancestors)
Study Officials
- STUDY CHAIR
Jun Zhang, master
Xiamen University
- PRINCIPAL INVESTIGATOR
Feng-cai Zhu, master
Jiangsu Provincial Centre for Disease Control and Prevention
Study Design
- Study Type
- observational
- Observational Model
- COHORT
- Time Perspective
- PROSPECTIVE
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- professor
Study Record Dates
First Submitted
December 26, 2023
First Posted
January 9, 2024
Study Start
December 30, 2023
Primary Completion
April 5, 2024
Study Completion
September 1, 2025
Last Updated
July 31, 2025
Record last verified: 2025-07
Data Sharing
- IPD Sharing
- Will not share