Immunogenicity of the 9vHPV Vaccination 2-dose Regimen Among Children 4 to 8 Years Old
Public ClinicalTrials.gov record NCT05329961. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
An Open-Label Clinical Trial Evaluating the Immunogenicity of the 9vHPV Vaccination 2-dose Regimen Over a Four-year Follow up Among Children 4 to 8 Years Old, An Exploratory Immunogenicity Study
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This study is an open-label nonrandomized exploratory proof of concept and descriptive 4-year immunogenicity study to assess immunogenicity after administration of a 2-dose regimen of 9-valent human papillomavirus vaccine (9vHPV) vaccine separated by 12 months (months 0, 12).
Study identification
- NCT ID
- NCT05329961
- Recruitment status
- Active, not recruiting
- Study type
- Interventional
- Phase
- Early Phase 1
- Enrollment
- 155 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 4 Years to 8 Years
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Sep 25, 2022
- Primary completion
- Jun 30, 2028
- Completion
- Nov 30, 2028
- Last update posted
- Jun 30, 2026
2022 – 2028
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Boston Medical Center | Boston | Massachusetts | 02118 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT05329961, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jun 30, 2026 · Synced Sep 2, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT05329961 live on ClinicalTrials.gov.