Study of Human Papillomavirus (HPV) 16 Vaccine in the Prevention of HPV 16 Infection in 16- to 23-Year-Old Females (V501-005)

Summary

Subjects received HPV 16 L1 VLP vaccine or placebo (1:1 ratio). Endpoints included efficacy, immunogenicity, and safety.

Timeline

Start

1999-09

Primary completion

2004-03

Completion

2009-07

Outcome

Met primary endpoint

registry NUMBER HPV 16 L1 VLP (Group 1): 0.3 Incidence per 100 person-years NCT00365378 ↗

registry NUMBER Placebo (Group 2): 4.9 Incidence per 100 person-years NCT00365378 ↗

registry Vaccine Efficacy 94.3 (95% CI 87.8 to 97.7) NCT00365378 ↗

registry NUMBER HPV 16 L1 VLP (Group 1): 0.0 Incidence per 100 person-years NCT00365378 ↗

registry NUMBER Placebo (Group 2): 1.0 Incidence per 100 person-years NCT00365378 ↗

registry Vaccine Efficacy 100.0 (95% CI 84.0 to 100.0) NCT00365378 ↗

Publications

• Background Mao C, Koutsky LA, Ault KA, Wheeler CM, Brown DR, Wiley DJ, Alvarez FB, Bautista OM, Jansen KU, Barr E. Efficacy of human papillomavirus-16 vaccine to prevent cervical intraepithelial neoplasia: a randomized controlled trial. Obstet Gynecol. 2006 Jan;107(1):18-27. doi: 10.1097/01.AOG.0000192397.41191.fb.
• Background Koutsky LA, Ault KA, Wheeler CM, Brown DR, Barr E, Alvarez FB, Chiacchierini LM, Jansen KU; Proof of Principle Study Investigators. A controlled trial of a human papillomavirus type 16 vaccine. N Engl J Med. 2002 Nov 21;347(21):1645-51. doi: 10.1056/NEJMoa020586.
• Background Paavonen J; Future II Study Group. Baseline demographic characteristics of subjects enrolled in international quadrivalent HPV (types 6/11/16/18) vaccine clinical trials. Curr Med Res Opin. 2008 Jun;24(6):1623-34. doi: 10.1185/03007990802068151. Epub 2008 Apr 23.
• Background Barr E, Gause CK, Bautista OM, Railkar RA, Lupinacci LC, Insinga RP, Sings HL, Haupt RM. Impact of a prophylactic quadrivalent human papillomavirus (types 6, 11, 16, 18) L1 virus-like particle vaccine in a sexually active population of North American women. Am J Obstet Gynecol. 2008 Mar;198(3):261.e1-11. doi: 10.1016/j.ajog.2007.09.001.
• Background Ault KA; Future II Study Group. Effect of prophylactic human papillomavirus L1 virus-like-particle vaccine on risk of cervical intraepithelial neoplasia grade 2, grade 3, and adenocarcinoma in situ: a combined analysis of four randomised clinical trials. Lancet. 2007 Jun 2;369(9576):1861-1868. doi: 10.1016/S0140-6736(07)60852-6.
• Background Fraser C, Tomassini JE, Xi L, Golm G, Watson M, Giuliano AR, Barr E, Ault KA. Modeling the long-term antibody response of a human papillomavirus (HPV) virus-like particle (VLP) type 16 prophylactic vaccine. Vaccine. 2007 May 22;25(21):4324-33. doi: 10.1016/j.vaccine.2007.02.069. Epub 2007 Mar 12.
• Bergman H, Henschke N, Arevalo-Rodriguez I, Buckley BS, Crosbie EJ, Davies JC, Dwan K, Golder SP, Loke YK, Probyn K, Petkovic J, Villanueva G, Morrison J. Human papillomavirus (HPV) vaccination for the prevention of cervical cancer and other HPV-related diseases: a network meta-analysis. Cochrane Database Syst Rev. 2025 Nov 24;11(11):CD015364. doi: 10.1002/14651858.CD015364.pub2.
• Wiley DJ, Masongsong EV, Lu S, Heather L S, Salem B, Giuliano AR, Ault KA, Haupt RM, Brown DR. Behavioral and sociodemographic risk factors for serological and DNA evidence of HPV6, 11, 16, 18 infections. Cancer Epidemiol. 2012 Jun;36(3):e183-9. doi: 10.1016/j.canep.2011.12.007. Epub 2012 Jan 25.

Drugs

Evaluation	Drug	Modality	Dose	Route
Subject	HPV 16 L1 Vaccine	Vaccine	—	Intramuscular

Indications