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MRKMerck Sharp & Dohme LLCFinished

Immunogenicity and Safety of the 9-valent Human Papillomavirus (9vHPV) Vaccine in Japanese Boys and Girls (V503-066)

Papillomavirus Infections

2Calmworry score, out of 100

No strong warning signs right now. The score counts warning signs; it is not a prediction.

Why this score

  • 5 insiders sold shares within a month

    Since Aug 13, 2026 · was worth 5, fading over time

    +1.9
Worry score2

Score over time

Stage
Phase 3
Patients
314 (final count)
Started
May 17, 2021
Main results expected
Apr 6, 2024
Fully finished
Apr 6, 2024
Results posted
May 30, 2025

What counts as success

The trial's main goal(s), called the “primary outcome.”

  • Seroconversion Percentages for the HPV Types 6, 11, 16, 18, 31, 33, 45, 52, and 58

    Measured over: 1 month after final dose (Month 7)

  • Number of Participants With at Least 1 Injection-site Adverse Event (AE)

    Measured over: Up to 5 days after each vaccination (up to ~6 months)

  • Number of Participants With at Least 1 Systemic Adverse Event

    Measured over: Up to 15 days after each vaccination (up to ~6.5 months)

  • Number of Participants With at Least 1 Serious Adverse Event (SAE)

    Measured over: Up to ~Month 30

Changes Tremor has spotted

No changes since Tremor started watching this trial.
Show details (technical version)

Score inputs

  • insider_selling_cluster: base 5, now 1.9, since 2026-08-13, fades (half-life)

Raw record changes

  • none yet

Trial ID NCT04772534 · record last updated 2025-05-30 · checked 2026-11-09 15:47 UTC

See the official record on ClinicalTrials.gov (NCT04772534) ↗