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The resulting antibodies provide protection against invasive meningococcal disease by promoting opsonization and complement-mediated bactericidal activity.","oneSentence":"This vaccine stimulates the immune system to produce antibodies against meningococcal polysaccharide antigens by conjugating them to diphtheria toxoid, enhancing immunogenicity and immune memory.","_ai_confidence":"medium"},"_scrapedAt":"2026-03-28T00:49:51.384Z","_scrapedBy":"cloudflare-swarm","_wikipedia":null,"indications":{"approved":[{"name":"Prevention of invasive meningococcal disease caused by Neisseria meningitidis"}]},"trialDetails":[{"nctId":"NCT05794230","phase":"PHASE3","title":"Study of a Quadrivalent Meningococcal Conjugate Vaccine (MenACYW Conjugate Vaccine) Given With Routine Pediatric Vaccines in Healthy Infants and Toddlers in India and the Republic of South Africa","status":"COMPLETED","sponsor":"Sanofi Pasteur, a Sanofi Company","startDate":"2023-03-27","conditions":"Meningococcal Immunisation, 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