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Clinical Trial Summary

Primary objective is to determine if antibody responses to HPV types 16 & 18 are non-inferior after a 2-dose paediatric regimen as compared to a 3-dose adult regimen of Q-HPV vaccination, with responses measured at Month 7.


Clinical Trial Description

Human Papillomavirus (HPV) infection is a cause of cervical cancer. Immunogenicity, safety and efficacy in the prevention of persistent infection from HPV 16 and 18 has been proven using a 3-dose regimen in adolescent and adult females using the Quadrivalent Human Papillomavirus (Q-HPV) vaccine. The intensity of the immune response is inversely proportional to age. Immunogenicity in adolescents 9-15 years of age is 1.7 - 2 times greater than in 16-26 year old vaccine recipients. Paediatric dosing studies are necessary and prudent given limited provincial funding for new biologics acquisition and programme service delivery. A reduction from an adult 3-dose HPV vaccine regimen to a pediatric 2-dose regimen will result in increased compliance to the full vaccine series and in significant savings to the health care system both in the cost of biologics and of program delivery and administration. ;


Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Subject), Primary Purpose: Prevention


Related Conditions & MeSH terms


NCT number NCT00501137
Study type Interventional
Source University of British Columbia
Contact
Status Completed
Phase Phase 3
Start date July 2007
Completion date December 2010

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