Reduced dosing of the HPV vaccine for women living with HIV

A Study of Reduced Dosing of the Nonavalent HPV Vaccine in Women Living With HIV

Phase 4 Interventional University of British Columbia · NCT05495906

This study is testing if a lower dose of the HPV vaccine can effectively protect women living with HIV from HPV and cervical cancer.

Quick facts

PhasePhase 4
Study typeInterventional
Enrollment275 (estimated)
Ages18 Years to 45 Years
SexFemale
SponsorUniversity of British Columbia Academic / other
Locations10 sites (Surrey, British Columbia and 9 other locations)
Trial IDNCT05495906 on ClinicalTrials.gov

What this trial studies

This clinical trial investigates the effectiveness of a reduced-dose schedule of the nonavalent HPV vaccine in women living with HIV, a group that is particularly vulnerable to HPV and cervical cancer. The study aims to enroll women aged 18-45 who have not previously received an HPV vaccine, with the goal of evaluating the feasibility of vaccination programs in this population. By focusing on reduced dosing, the trial seeks to contribute to global efforts to eliminate cervical cancer as outlined by the World Health Organization. Participants will be randomly assigned to receive the vaccine and monitored for outcomes related to HPV prevention.

Who should consider this trial

Good fit: Ideal candidates for this study are women aged 18-45 living with HIV who have not received any HPV vaccine.

Not a fit: Patients who are pregnant, have previously received an HPV vaccine, or have allergies to the vaccine components may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could significantly improve HPV vaccination rates and cervical cancer prevention among women living with HIV.

How similar studies have performed: While there is limited data on reduced-dose HPV vaccination in women living with HIV, similar studies have shown promise in other populations, making this approach both novel and potentially impactful.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Living with HIV
* Has a uterine cervix

Exclusion Criteria:

* Unable to give fully informed consent
* Pregnant or unwilling to avoid pregnancy during vaccination
* Allergy to the vaccine or its components
* Prior receipt of any HPV vaccine

Where this trial is running

Surrey, British Columbia and 9 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions HPVHuman Papilloma VirusHuman Immunodeficiency VirusHPV vaccination
Last reviewed 2026-06-10 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.