Safety, Tolerability and Immunogenicity of Meningococcal B Recombinant Vaccine Administered as Booster Dose at 12, 18 or 24 Months of Age in Toddlers (12-24 Months) Primed With a Three-Dose Immunization Series as Infants in Study V72P12

Summary

This extension study V72P12E1 will investigate the safety, tolerability and immunogenicity of a fourth (booster) dose of rMenB+OMV NZ at 12, 18 and 24 months of age in subjects previously primed with rMenB+OMV NZ according to two different three-dose immunization schedules in infancy (2, 4 and 6 or 2, 3 and 4 months of age in the parent study V72P12). The study will also explore the bactericidal antibody persistence at 12, 18 and 24 months of age, following the two different immunization schedules, in order to identify the optimal timing for boosting. Two catch-up rMenB+OMV NZ doses will be given to unprimed, naïve toddlers at 12 (subjects enrolled in the control group of V72P12), 18 and 24 months of age (two new cohort of subjects enrolled). These subjects will generate data for assessing the safety and immunogenicity of a two-dose catch-up regimen at these ages, but will also serve as controls for a descriptive comparison of antibody persistence and booster responses for the other groups.

Timeline

Start

2009-07

Primary completion

2011-08

Completion

2012-01

Publications

• Bartolini E, Borgogni E, Bruttini M, Muzzi A, Giuliani M, Iozzi S, Petracca R, Martinelli M, Bonacci S, Marchi S, Brettoni C, Donati C, Torricelli G, Guidotti S, Domina M, Beninati C, Teti G, Felici F, Rappuoli R, Castellino F, Del Giudice G, Masignani V, Pizza M, Maione D. Immunological fingerprint of 4CMenB recombinant antigens via protein microarray reveals key immunosignatures correlating with bactericidal activity. Nat Commun. 2020 Oct 5;11(1):4994. doi: 10.1038/s41467-020-18791-0.
• Snape MD, Voysey M, Finn A, Bona G, Esposito S, Principi N, Diez-Domingo J, Sokal E, Kieninger D, Prymula R, Dull PM, Kohl I, Barone M, Wang H, Toneatto D, Pollard AJ; European MenB Vaccine Study Group. Persistence of Bactericidal Antibodies After Infant Serogroup B Meningococcal Immunization and Booster Dose Response at 12, 18 or 24 Months of Age. Pediatr Infect Dis J. 2016 Apr;35(4):e113-23. doi: 10.1097/INF.0000000000001056.

Drugs

Indications