Drug news
Merck files V 503 at FDA for 9 valent Human Papillomavirus Virus (HPV) vaccine
Merck has announced that the Biologics License Application for V 503, its investigational 9-valent human papillomavirus (HPV) vaccine, has been accepted for standard review by the FDA. V 503 is designed to compete with Gardasil, Merck's own drug. V 503 protects against 9 strains of the HPV virus, compared to four for Gardasil.