V 503
Alternative Names: 9-valent HPV vaccine - Merck and Co; 9-valent human papillomavirus vaccine - Merck and Co; 9vHPV vaccine - Merck; GARDASIL; GARDASIL9; Human papillomavirus (types 6, 11, 16, 18, 31, 33, 45, 52, 58) L1 virus-like particle vaccine - Merck; Human Papillomavirus 9-valent vaccine, Recombinant; Human papillomavirus vaccine recombinant 9-valent - Merck; Human papillomavirus vaccine recombinant nonavalent - Merck; Human papillomavirus vaccine-Merck-9 valent; Multivalent human papillomavirus (HPV) L1 virus-like particle (VLP) vaccine - Merck; Nonavalent HPV VLP Vaccine; Recombinant HPV 9-valent Vaccine; Recombinant HPV Nonavalent Vaccine; Recombinant Human Papillomavirus 9-valent Vaccine; SILGARD9; V-503Latest Information Update: 02 Apr 2025
At a glance
- Originator Merck & Co
- Developer Banyu; Merck & Co; Takeda
- Class Antineoplastics; Cancer vaccines; Immunotherapies; Papillomavirus vaccines; Synthetic vaccines; Virus-like particle vaccines
- Mechanism of Action Immunostimulants
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Orphan Drug Status
Orphan designation is assigned by a regulatory body to encourage companies to develop drugs for rare diseases.
- New Molecular Entity No
Highest Development Phases
- Marketed Anal cancer; Cervical cancer; Condylomata acuminata; Head and neck cancer; Human papillomavirus infections; Oropharyngeal cancer; Vulvovaginal cancer
- Phase III COVID 2019 infections; Dengue
Most Recent Events
- 28 Feb 2025 Merck Sharp and Dohme completes a phase III trial for Human papillomavirus infections (In adolescents, In adults, Prevention, In volunteers) in China (IM) (NCT03903562)
- 22 Dec 2024 Phase-III clinical trials in Cervical cancer (Prevention) is ongoing in Malawi, South Africa (IM) (NCT03284866)
- 11 Sep 2024 Efficacy data from the phase III V503-064 trial in Human papillomavirus infections released by Merck AG