# Long Term Immune Memory Responses to HPV Vaccination Following 2 vs 3 Doses of Quad-HPV Vaccine

> **NCT02968420** · PHASE4 · COMPLETED · sponsor: **University of British Columbia** · enrollment: 18 (actual)

## Conditions studied

- Human Papillomavirus

## Interventions

- **BIOLOGICAL:** Human Papillomavirus 9-valent Vaccine, Recombinant

## Key facts

- **NCT ID:** NCT02968420
- **Lead sponsor:** University of British Columbia
- **Sponsor class:** OTHER
- **Phase:** PHASE4
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2017-09-11
- **Primary completion:** 2019-05-15
- **Final completion:** 2019-05-15
- **Target enrollment:** 18 (ACTUAL)
- **Last updated:** 2021-06-25

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02968420

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02968420, "Long Term Immune Memory Responses to HPV Vaccination Following 2 vs 3 Doses of Quad-HPV Vaccine". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT02968420. Licensed CC0.

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