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L1 protein, human papillomavirus type 31 vaccine

Generic: L1 protein, human papillomavirus type 31 vaccine·Brand: Gardasil 9

L1 protein, human papillomavirus type 31 vaccine: 3 clinical trials tracked.

L1 protein, human papillomavirus type 31 vaccine evidence translation

What we can confirm

3 tracked trials

No verified listed company relationship

What it means

AI will separate confirmed drug evidence from unknown company context.

What to watch

Watch trial status, endpoints, and the next source-backed update.
BioSniper AIPage evidence connected

Prepared research question

What is verified about L1 protein, human papillomavirus type 31 vaccine, and what remains unknown?

Run cited research

Traceable citations · Unknowns marked

See linked entities and source evidence2 indications · 0 study sponsors

Related indications

Study sponsors

No additional listed-company sponsor is linked.

Clinical Trial Registry Records (3)

A Phase 2, Randomized, Double-Blind, Comparator-Controlled Study to Evaluate the Safety, Tolerability, and Immunogenicity of V540A in Healthy Females 16 to 26 Years of Age

NCT07224477Registry updated 2026-09-14·Phase 2
Withdrawn

Primary endpoint: Number of Participants Who Experience ≥1 Solicited Injection-site Adverse Event (AE)

InterventionalRandomizedtriple0 enrolledStarted 2026-07Completion 2028-04Merck Sharp & Dohme LLC

A Phase 1, Randomized, Double-Blind, Comparator-Controlled, Dose-Escalation Study to Evaluate the Safety, Tolerability, and Immunogenicity of V540B in Healthy Adults.

NCT06623409Registry updated 2026-09-10·Phase 1
Recruiting

Primary endpoint: Number of Participants Who Experience a Solicited Injection-Site Adverse Event (AE)

InterventionalRandomizeddouble72 targetStarted 2024-11Completion 2028-055 sites · United StatesMerck Sharp & Dohme LLC

An Open-Label Clinical Trial Evaluating the Immunogenicity of the 9vHPV Vaccination 2-dose Regimen Over a Four-year Follow up Among Children 4 to 8 Years Old, An Exploratory Immunogenicity Study

NCT05329961Registry updated 2026-07-01·Early Phase 1
Active, not recruiting

Primary endpoint: HPV6 antibodies at 13 months

Interventionalopen155 targetStarted 2022-09Completion 2028-121 site · United StatesBoston Medical Center