Clinical trial · Observational
HPV Prevalence in 16-20 Year Old Males
Evaluation of the Impact of Quebec HPV Immunization Program: Prevalence of HPV Types in 16-20 Year Old Males
NCT04297670CI-TRIAL-00043833unknownClinicalTrials.gov clinicaltrialsProvenance
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
In Quebec, 18 birth cohorts of girls were vaccinated against HPV (aged 9 to 29 years in 2020). With an observed vaccination coverage of \>80% an important herd effect might be expected. This study aim is to measure the HPV types prevalence in unvaccinated sexually active boys aged 16 to 20 years.
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| HPV Infection | — | UNRESOLVED | — |
Interventions
Interventions (1)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| Measurement of HPV types prevalence | Other | — | UNRESOLVED |
Design
Arms and outcomes
Arms (1)
- label
- Unvaccinated against HPV boys
- description
- Sexually active unvaccinated against HPV 16-20 years old boys.
- interventionNames
- Other: Measurement of HPV types prevalence
Primary outcomes (1)
- measure
- Prevalence of HPV 6/11/16/18/31/33/45/52 and 58
- timeFrame
- Up to 18 months
- description
- Unvaccinated sexually active 16-20 year old boys will be tested
Secondary outcomes (1)
- measure
- Prevalence of 31 HPV types
- timeFrame
- Up to 18 months
- description
- Unvaccinated sexually active 16-20 year old boys will be tested
Eligibility
Eligibility (as posted)
- Sex
- Male
- Minimum age
- 16 Years
- Maximum age
- 20 Years
Show eligibility criteria text
Inclusion Criteria: * unvaccinated against HPV * sexually active Exclusion Criteria: * received an HPV vaccine * non sexually active
References
Publications (1)
- DERIVEDWolfe C, Ionescu IG, Mayrand MH, Coutlee F, Sauvageau C. Prevalence of Human Papillomavirus Genotypes in Unvaccinated 16- to 20-Year-Old Men in Quebec, Canada. J Infect Dis. 2025 Aug 14;232(2):e203-e212. doi: 10.1093/infdis/jiaf094. PMID 39982898