# Retrospective Cohort Study of the Effectiveness of the Prophylactic Vaccine Against the Human Papilloma Virus in the Prevention of Recurrence in Women Who Have Received an Excisional Therapy by HSIL / CIN.

> **NCT04171505** · — · UNKNOWN · sponsor: **Hospital San Carlos, Madrid** · enrollment: 508 (estimated)

## Conditions studied

- Cervix, Dysplasia
- HPV Infection
- HPV Vaccine
- Cervix Lesion

## Interventions

- **DRUG:** HPV vaccine

## Key facts

- **NCT ID:** NCT04171505
- **Lead sponsor:** Hospital San Carlos, Madrid
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** UNKNOWN
- **Start date:** 2019-11-04
- **Primary completion:** 2019-11-04
- **Final completion:** 2020-12
- **Target enrollment:** 508 (ESTIMATED)
- **Last updated:** 2019-11-21

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04171505

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04171505, "Retrospective Cohort Study of the Effectiveness of the Prophylactic Vaccine Against the Human Papilloma Virus in the Prevention of Recurrence in Women Who Have Received an Excisional Therapy by HSIL / CIN.". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04171505. Licensed CC0.

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