Cervical Cancer Clinical Trial
Official title:
A Registry-Based Extension of Protocol V503-001 in Countries With Centralized Cervical Cancer Screening Infrastructures to Evaluate the Long-Term Effectiveness, Immunogenicity, and Safety of Multivalent Human Papillomavirus (HPV) L1 Virus-Like Particle (VLP) Vaccine as Administered to 16- to 26- Year-Old Women
Verified date | April 2024 |
Source | Merck Sharp & Dohme LLC |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Observational |
Protocol V503-021 is a long-term follow-up study of the V503-001 base study (NCT00543543) to evaluate the safety, immunogenicity, and long-term effectiveness of V503 vaccine in preventing cervical cancer and related precancers caused by human papillomavirus (HPV) types 16, 18, 31, 33, 45, 52, and 58. Because of the high retention of V503-001 participants from the Nordic countries, and the highly efficient screening and surveillance system there, study V503-021 will evaluate only participants from V503-001 sites in Denmark, Norway, and Sweden. The hypothesis is that V503 vaccine will remain effective for at least 30 years after the start of vaccination.
Status | Active, not recruiting |
Enrollment | 4453 |
Est. completion date | January 1, 2040 |
Est. primary completion date | January 1, 2040 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Female |
Age group | 16 Years to 26 Years |
Eligibility | Inclusion Criteria: - Randomized into the V503-001 (NCT00543543) study from a Denmark, Norway, or Sweden site and participated in the study by receiving either the selected dose formulation of V503 or GARDASIL - Agrees to allow passive follow-up, analysis of biopsy specimens, future contact from the National Registry Study Centers, and serum collection Exclusion Criteria: - There are no exclusion criteria |
Country | Name | City | State |
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n/a |
Lead Sponsor | Collaborator |
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Merck Sharp & Dohme LLC |
Kjaer SK, Nygard M, Sundstrom K, Munk C, Berger S, Dzabic M, Fridrich KE, Waldstrom M, Sorbye SW, Bautista O, Group T, Luxembourg A. Long-term effectiveness of the nine-valent human papillomavirus vaccine in Scandinavian women: interim analysis after 8 ye — View Citation
Luxembourg A, Kjaer SK, Nygard M, Ellison MC, Group T, Marshall JB, Radley D, Saah A. Design of a long-term follow-up effectiveness, immunogenicity and safety study of women who received the 9-valent human papillomavirus vaccine. Contemp Clin Trials. 2017 Jan;52:54-61. doi: 10.1016/j.cct.2016.10.006. Epub 2016 Oct 21. — View Citation
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Combined Incidence of HPV Type 16, 18, 31, 33, 45, 52, or 58-related Cervical Intraepithelial Neoplasia (CIN) Grades 2 or 3, Adenocarcinoma In Situ (AIS), and Cervical Cancer in Cohort 1 | Up to 30 years after vaccination in V503-001 base study |
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