Suzanne M Garland1, Tak-Hong Cheung2, Shelly McNeill3, Lone Kjeld Petersen4, Josefina Romaguera5, Jorge Vazquez-Narvaez6, Oliver Bautista7, Christine Shields7, Scott Vuocolo7, Alain Luxembourg7. 1. Department of Microbiology and Infectious Diseases, Royal Women's Hospital, Parkville, Victoria, Australia; Department of Microbiology, Royal Children's Hospital, Murdoch Childrens Research Institute, Parkville, Victoria, Australia; Department of Obstetrics and Gynaecology, University of Melbourne, Parkville, Victoria, Australia. Electronic address: suzanne.garland@thewomens.org.au. 2. Department of Obstetrics and Gynaecology, Prince of Wales Hospital, the Chinese University of Hong Kong, Hong Kong Special Administrative Region. 3. Canadian Center for Vaccinology, Izaak Walton Killam Health Centre and Capital Health, Dalhousie University, Canada. 4. Department of Gynecology, University Hospital of Aarhus, Denmark. 5. Department of Obstetrics and Gynecology, University of Puerto Rico School of Medicine, Puerto Rico. 6. Asociacion de Investigación Pediatrica y Adultos (AINPAD A.C.)/StarMedica Morelia, Mexico. 7. Merck & Co., Inc., Kenilworth, NJ, USA.
Abstract
OBJECTIVES: To assess the safety and immunogenicity of the investigational 9-valent (6/11/16/18/31/33/45/52/58) HPV (9vHPV) vaccine in prior recipients of a 3-dose regimen of quadrivalent (6/11/16/18) HPV (qHPV) vaccine. METHODS: V503-006 was a randomized, double-blinded, safety/tolerability and immunogenicity study of the 9vHPV vaccine in females 12-26 years of age who were previously vaccinated with qHPV vaccine. Subjects were randomized in a 2:1 ratio to receive 3 doses of 9vHPV vaccine (n=618) or saline placebo (n=306) at day 1, month 2, and month 6. Systemic, injection-site and serious adverse experiences (AEs) were monitored. Serum samples were collected at day 1, month 2, and month 7. Anti-HPV 6/11/16/18/31/33/45/52/58 titers were measured using the 9-valent HPV competitive Luminex Immunoassay (cLIA). RESULTS: The frequency of injection-site AEs (days 1-5 following any vaccination) was higher in the 9vHPV vaccine group than in the placebo group (91.1% and 43.9%, respectively). The frequencies of vaccine-related systemic AEs (days 1-15 following any vaccination) were generally comparable between the 2 groups (30.6% in the 9vHPV vaccine group, and 25.9% in the placebo group). One vaccine-related serious AE was reported in each of the 9vHPV vaccine and placebo groups. Few subjects (9vHPV=0.5%; placebo=0%) discontinued due to an AE. At 4 weeks post-dose 3, over 98% of subjects in the 9vHPV vaccine group were seropositive for HPV types 31/33/45/52/58, with marked elevations in cLIA geometric mean titers (GMTs) to these HPV types. Anti-HPV 31/33/45/52/58 GMTs were lower than in subjects administered 9vHPV vaccine who had not previously received qHPV vaccine (based on cross-study analyses); the clinical significance of this difference is unknown. CONCLUSIONS: Administration of a 3-dose regimen of 9vHPV vaccine to adolescent girls and young women 12-26 years of age who are prior qHPV vaccine recipients is highly immunogenic with respect to HPV types 31/33/45/52/58 and generally well tolerated.
RCT Entities:
OBJECTIVES: To assess the safety and immunogenicity of the investigational 9-valent (6/11/16/18/31/33/45/52/58) HPV (9vHPV) vaccine in prior recipients of a 3-dose regimen of quadrivalent (6/11/16/18) HPV (qHPV) vaccine. METHODS: V503-006 was a randomized, double-blinded, safety/tolerability and immunogenicity study of the 9vHPV vaccine in females 12-26 years of age who were previously vaccinated with qHPV vaccine. Subjects were randomized in a 2:1 ratio to receive 3 doses of 9vHPV vaccine (n=618) or saline placebo (n=306) at day 1, month 2, and month 6. Systemic, injection-site and serious adverse experiences (AEs) were monitored. Serum samples were collected at day 1, month 2, and month 7. Anti-HPV 6/11/16/18/31/33/45/52/58 titers were measured using the 9-valent HPV competitive Luminex Immunoassay (cLIA). RESULTS: The frequency of injection-site AEs (days 1-5 following any vaccination) was higher in the 9vHPV vaccine group than in the placebo group (91.1% and 43.9%, respectively). The frequencies of vaccine-related systemic AEs (days 1-15 following any vaccination) were generally comparable between the 2 groups (30.6% in the 9vHPV vaccine group, and 25.9% in the placebo group). One vaccine-related serious AE was reported in each of the 9vHPV vaccine and placebo groups. Few subjects (9vHPV=0.5%; placebo=0%) discontinued due to an AE. At 4 weeks post-dose 3, over 98% of subjects in the 9vHPV vaccine group were seropositive for HPV types 31/33/45/52/58, with marked elevations in cLIA geometric mean titers (GMTs) to these HPV types. Anti-HPV 31/33/45/52/58 GMTs were lower than in subjects administered 9vHPV vaccine who had not previously received qHPV vaccine (based on cross-study analyses); the clinical significance of this difference is unknown. CONCLUSIONS: Administration of a 3-dose regimen of 9vHPV vaccine to adolescent girls and young women 12-26 years of age who are prior qHPV vaccine recipients is highly immunogenic with respect to HPV types 31/33/45/52/58 and generally well tolerated.
Authors: Alex Vorsters; Marc Arbyn; Marc Baay; Xavier Bosch; Silvia de Sanjosé; Sharon Hanley; Emilie Karafillakis; Pier Luigi Lopalco; Kevin G Pollock; Joanne Yarwood; Pierre Van Damme Journal: Papillomavirus Res Date: 2017-07-20
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