Effectiveness of the Q-HPV Vaccine 9-years Post Vaccination Among HIV Positive Adolescents
A Longitudinal Cohort Study to Assess Effectiveness and B-memory Response to the Quadrivalent HPV Vaccine 9 Years Post-vaccination Among HIV-Infected Boys and Girls Ages 9-14 Years in Kenya
1 other identifier
interventional
158
1 country
1
Brief Summary
The risk for Human Papillomavirus (HPV) infection persists through an individual sexual life and duration of protection is critical to vaccine effectiveness in protection from oncogenic hrHPV infection. HIV-infected individuals have an increased risk for HPV infection, and persistent infection. Most vaccine efficacy data among HIV-infected adolescents is represented by immunogenicity data, and there is little published literature on vaccine effectiveness as assessed by persistent incident genital HPV infection. Investigators shall re-enroll a cohort of previously vaccinated HIV-infected girls and boys for assessment of genital HPV infection 9-years post initial 3 doses of vaccination with quadrivalent HPV vaccine at ages 9 to 14 years.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P50-P75 for phase_4
Started May 2022
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
Study Start
First participant enrolled
May 25, 2022
CompletedFirst Submitted
Initial submission to the registry
June 10, 2022
CompletedFirst Posted
Study publicly available on registry
June 28, 2022
CompletedPrimary Completion
Last participant's last visit for primary outcome
October 31, 2023
CompletedStudy Completion
Last participant's last visit for all outcomes
October 31, 2023
CompletedNovember 29, 2023
November 1, 2023
1.4 years
June 10, 2022
November 23, 2023
Conditions
Keywords
Outcome Measures
Primary Outcomes (2)
Persistent Genital HPV infection
Number of participants with incident persistent genital infection with the QHPV specific serotypes: -6, -11, -16 and -18 and additional 13 oncogenic HPV serotypes (31,33,35,39,45,51,52,56,58,59,66, 68,73)
Nine years after primary vaccination
Sustained QHPV vaccine specific antibody titers
Concentration of QHPV specific antibody titers (HPV -6, -11, -16 \& -18) nine years after primary vaccination
Nine years after primary vaccination
Secondary Outcomes (1)
Immune memory following three doses of QHPV
One month after booster vaccine
Study Arms (1)
Quadrivalent HPV Vaccine
EXPERIMENTALGardasil® 0.5 mL administered intramuscularly in the deltoid or anterolateral area of the thigh
Interventions
Gardasil
Eligibility Criteria
You may qualify if:
- HIV-infected
- enrolled previously and received received three doses of quadrivalent HPV- vaccine in 2014
You may not qualify if:
- Decline re-enrollment
- unable to provide informed consent
- minor without parent or guardian consent
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- University of Washingtonlead
- Merck Sharp & Dohme LLCcollaborator
Study Sites (1)
Phrd-Ccr-Kemri
Thika, Kiambu County, Kenya
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- PRINCIPAL INVESTIGATOR
Nelly Mugo, MD
University of Washington
Study Design
- Study Type
- interventional
- Phase
- phase 4
- Allocation
- NA
- Masking
- NONE
- Purpose
- PREVENTION
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- OTHER
- Responsible Party
- PRINCIPAL INVESTIGATOR
- PI Title
- Associate Professor, School of Medicine: Global Health
Study Record Dates
First Submitted
June 10, 2022
First Posted
June 28, 2022
Study Start
May 25, 2022
Primary Completion
October 31, 2023
Study Completion
October 31, 2023
Last Updated
November 29, 2023
Record last verified: 2023-11