Immunogenicity of quadrivalence recombinant human papillomavirus vaccine ( 6, 11, 16 and 18 types) ( Hansenulapolymorpha):results from phaseⅠ clinical trial / 中华微生物学和免疫学杂志
Chinese Journal of Microbiology and Immunology
; (12): 916-920, 2019.
Article
en Zh
| WPRIM
| ID: wpr-824809
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WPRO
ABSTRACT
Objective To make a preliminary assessment on the immunogenicity of a quadriva-lence recombinant human papillomavirus (HPV) vaccine (6, 11, 16 and 18 types) (Hansenulapolymor-pha) in healthy women aged 18-45 years in phaseⅠclinical study. Methods It was a single-center, doub-le-blind, randomized, placebo-controlled phaseⅠclinical study. Women aged 18-45 years were randomized (2 : 1) to receive HPV vaccine (n=60) or placebo control (n=30) at months 0, 2 and 6. Antibodies against HPV6/11/16/18 were detected by pseudovirus-based neutralisation assay in serum samples collected at 0 d, 180 d and 210 d. Seroconversion rates and geometric mean titres ( GMT) of antibodies against the four types of antigens were calculated. Results Seroconversion rates of the vaccination group at 180 d ( be-fore the third dose) and 210 d ( one month after the third dose) were generally similar and between 85%-100% for all types of antibodies. The GMT of antibodies at one month after the last dose improved signifi-cantly compared with those before immunization. Conclusions These results showed that the HPV vaccine had good immunogenicity in the population of healthy women aged 18-45 years. Higher antibody titers were elicited by the vaccine compare with the tites before the first dose and in the placebo control group.
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Índice:
WPRIM
Tipo de estudio:
Clinical_trials
Idioma:
Zh
Revista:
Chinese Journal of Microbiology and Immunology
Año:
2019
Tipo del documento:
Article