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Brief Title: Antibody Response to Prophylactic QHPV Vaccine at 48 Months Among HIV-infected Girls and Boys
Official Title: A Longitudinal Cohort Study to Assess Sustained Immunogenicity up to 48 Months to Quadrivalent Human Papillomavirus Vaccine Among HIV-infected Girls and Boys Age 10-15 Years in Kenya
Study ID: NCT04711265
Brief Summary: Longitudinal observational cohort study and extension of the MISP ID: 38406 'immunogenicity and safety of quadrivalent human papillomavirus vaccine in HIV-infected pre-adolescent girls and boys in Kenya'.
Detailed Description: We evaluated for persistence of HPV antibody by measuring titers to specific HPV types 6, 11, 16 and 18 at re-enrollment month 24 , 36 and 48 months in addition to month 7 and 12, after initial vaccination. This provided data for immunogenicity among HIV-infected children for approximately 48 months after initial vaccination. We assessed decline over study intervals in HPV type-specific antibodies.
Minimum Age: 9 Years
Eligible Ages: CHILD
Sex: ALL
Healthy Volunteers: No
Partners in Health Research and Development, Thika, Kiambu, Kenya