HPV Vaccination in HIV Infected and HIV Uninfected Adolescents in Eswatini
A Multi-site, Open-label Non-inferiority Trial to Assess Immunogenicity of Two Doses of the Nonavalent Human Papillomavirus (HPV) Vaccine Among Children, Adolescents and Young Adults (9-26 Years) Living With HIV vs Three Doses of Nonavalent HPV Vaccine Among HIV Uninfected Young Women (15-26 Years) in Eswatini
2 other identifiers
interventional
1,403
1 country
5
Brief Summary
This is a multi-site, open-label non-inferiority study of the 9vHPV vaccine among a population of children, adolescents and young women living with HIV in Eswatini. This protocol seeks to assess immunogenicity of a two-dose 9vHPV vaccine regimen among girls and boys (9-14 years) and young women (15-26 years) living with HIV on antiretroviral therapy versus a three-dose 9vHPV vaccine regimen among HIV uninfected young women (15-26 years) in Eswatini. The secondary objectives include examining the safety profiles of the two-dose 9vHPV regimen in those living with HIV and the three-dose 9vHPV regimen in HIV-uninfected young women, as well as measuring the completion of the vaccination series among those living with HIV and those who are not infected with HIV.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P75+ for phase_4
Started Apr 2022
Typical duration for phase_4
5 active sites
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
July 20, 2021
CompletedFirst Posted
Study publicly available on registry
July 29, 2021
CompletedStudy Start
First participant enrolled
April 1, 2022
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 9, 2024
CompletedStudy Completion
Last participant's last visit for all outcomes
December 9, 2024
CompletedAugust 24, 2025
August 1, 2025
2.7 years
July 20, 2021
August 19, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Anti-HPV geometric mean antibody titers
Serum antibodies against HPV antigens (IgG, IFNg, TNF, IL2, CXCL10, granzyme, perforin, PTX3). Geometric mean titers will be summarized by treatment group, and the ratios of mean GMTs between treatment and control and their 95% confidence intervals calculated around point estimates.
Month 7 (4 weeks post Month 6 vaccine dose)
Number of seroconversions
Number of participants who seroconvert, defined as having no HPV antibodies pre-vaccination, but detectable HPV antibodies at 4 weeks post month 6 vaccine dose
Month 7 (4 weeks post Month 6 vaccine dose)
Secondary Outcomes (2)
Number of participants with serious adverse events (SAE)
Up to 6 months
Number of participants completing vaccination series
Up to 6 months
Study Arms (2)
2-dose regimen group
EXPERIMENTALBoys and girls (aged 9-14 years) and young women (aged 15-26 years) living with HIV will receive a two-dose regimen of the HPV vaccine at baseline (Month 0) and Month 6.
3-dose regimen group (SOC)
ACTIVE COMPARATORHIV-uninfected young women (aged 15-26 years) will receive the standard of care three-dose regimen of the HPV vaccine at baseline (Month 0), Month 2 and Month 6.
Interventions
GARDASIL 9 is a vaccine indicated in girls and women 9 through 45 years of age for the prevention of the following diseases: Cervical, vulvar, vaginal, and anal cancer, and Genital warts (condyloma acuminata) caused by Human Papillomavirus (HPV). 0.5-mL suspension for intramuscular injection as a single-dose vial and prefilled syringe at the following regimen/schedule: 9 through 14 years - 2-dose at 0, 6 to 12 months OR 3-dose at 0, 2, 6 months 15 through 45 years - 3-dose at 0, 2, 6 months
Eligibility Criteria
You may qualify if:
- For people living with HIV receiving two-dose regimen:
- Females 9-26 years and males 9-14 years,
- Documented HIV infection,
- Aware of HIV+ status,
- Currently receiving antiretroviral treatment (ART) for HIV infection for at least six months,
- Living in Eswatini,
- For individuals 18+ years: able to provide informed consent,
- For individuals 15-17 years: able to provide informed assent,
- For individuals 9-14 years of age: able to provide informed assent AND accompanied by an adult caregiver who is able to give informed consent,
- Intending to remain in the vicinity of the study sites for the study period
- For reference group of HIV-uninfected women receiving three-dose regimen:
- Females 15-26 years,
- Documented negative HIV test at baseline
- Living in Eswatini,
- Able to provide informed assent (15-17 years) or informed consent (18-26 years)
- +1 more criteria
You may not qualify if:
- For all participants:
- Diagnosis of other immunosuppressive diseases or receipt of immunosuppressive medications,
- Diagnosis of other acute or chronic illness,
- Receipt of other vaccinations within 2-3 weeks before or after study vaccination,
- Receipt of blood-derived products within 6 months before or during the study,
- Previous receipt of an HPV vaccine,
- Currently pregnant,
- Known allergies to a vaccine component
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Columbia Universitylead
- Jhpiegocollaborator
- Merck Sharp & Dohme LLCcollaborator
Study Sites (5)
AHF Lamvelase
Manzini, Eswatini
AHF Manzini
Manzini, Eswatini
Raleigh Fitkin Memorial Hospital
Manzini, Eswatini
AHF Matsapha
Matsapha, Eswatini
Baylor College of Medicine - Bristol Myers-Squibb Children's Clinical Centre of Excellence
Mbabane, Eswatini
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Elaine Abrams, MD
Columbia University
- PRINCIPAL INVESTIGATOR
Xolisile Dlamini
Ministry of Health Eswatini
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- NON RANDOMIZED
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Professor of Pediatrics and Epidemiology
Study Record Dates
First Submitted
July 20, 2021
First Posted
July 29, 2021
Study Start
April 1, 2022
Primary Completion
December 9, 2024
Study Completion
December 9, 2024
Last Updated
August 24, 2025
Record last verified: 2025-08
Data Sharing
- IPD Sharing
- Will not share
Data sharing plan is still under development. The plan will follow all in-country requirements for research conducted in Eswatini.