MenACWY vaccine given alone or with Tdap and HPV vaccine in healthy adolescents

Phase 3, randomised, open-label trial of meningococcal ACWY conjugate vaccine, acellular pertussis vaccine and qHPV vaccine in meningococcal disease, human papillomavirus infection, Tetanus and 2 more (4 arms), sponsored by Novartis. Primary endpoints: Percentage of subjects with hSBA seroresponse, Non-inferiority of MenACWY immune response when given concomitantly with Tdap and HPV versus alone and 2 more.