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Clinical Trial Details — Status: Active, not recruiting

Administrative data

NCT number NCT02653118
Other study ID # V503-021
Secondary ID 2013-003549-40
Status Active, not recruiting
Phase
First received
Last updated
Start date January 22, 2016
Est. completion date January 1, 2040

Study information

Verified date April 2024
Source Merck Sharp & Dohme LLC
Contact n/a
Is FDA regulated No
Health authority
Study type Observational

Clinical Trial Summary

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.


Recruitment information / eligibility

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

Study Design


Intervention

Biological:
V503

GARDASIL


Locations

Country Name City State
n/a

Sponsors (1)

Lead Sponsor Collaborator
Merck Sharp & Dohme LLC

References & Publications (2)

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

Outcome

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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