Trial Profile

A Randomized, Open-label, Non-inferiority Phase IIIb Clinical Trial to Evaluate the Immunogenicity Age/Schedule Bridging Between Adolescent Girls Aged 9-14 Years Receiving a 2-dose Regimen or Adolescent Girls Aged 9-17 Years Receiving a 3-dose Regimen of a Quadrivalent Recombinant Human Papillomavirus (HPV) Vaccine (Hansenula Polymorpha) and Women Aged 18-35 Years.

Status: Active, no longer recruiting

Phase of Trial: Phase III

Latest Information Update: 03 Feb 2026

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At a glance

28 Jan 2026 Protocol was amended to include one new arm (Experimental: 26-35 years old 3 doses group) , it has been changed from 3 to 4.
23 Jan 2026 Planned End Date changed from 1 Jun 2030 to 1 Jul 2032.
23 Jan 2026 Planned primary completion date changed from 1 May 2025 to 1 Jul 2032.

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