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Clinical Trial Summary

This research trial studies extended follow up of young women in Costa Rica who received vaccine for human papillomavirus types 16 and 18 and unvaccinated controls. Collecting information from young women in Costa Rica who have received vaccine for human papillomavirus types 16 and 18 and a new group of unvaccinated controls enrolled for the follow-up period, may help doctors learn more about the risks and benefits of prophylactic human papillomavirus vaccine.


Clinical Trial Description

PRIMARY OBJECTIVES: I. To evaluate the 10-year global impact of human papillomavirus (HPV)-16/18 vaccination of young adult women. II. To evaluate determinants of the immune response to HPV and the vaccine, and markers of long-term protection. III. To evaluate the natural history of HPV and cervical disease in vaccinated and unvaccinated populations. OUTLINE: Participants undergo long term follow-up comprising risk factor questionnaire, pelvic examination for all sexually experienced women, and specimen collection at years 6, 8, and 10. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT00867464
Study type Observational
Source National Cancer Institute (NCI)
Contact
Status Active, not recruiting
Phase
Start date March 30, 2009
Completion date December 31, 2023

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