JOURNAL ARTICLE
MULTICENTER STUDY

Safety and immunogenicity of an investigational meningococcal ACWY conjugate vaccine (MenACWY-CRM) in healthy Indian subjects aged 2 to 75 years

Sanjay Lalwani, Sharad Agarkhedkar, Nithya Gogtay, Sonali Palkar, Shalaka Agarkhedkar, Urmila Thatte, Hoshang Vakil, Rekha Jonnalagedda, Paola Pedotti, Margaret Hoyle, Chiranjiwi Bhusal, Ashwani Arora
International Journal of Infectious Diseases: IJID 2015, 38: 36-42
26166699

BACKGROUND: This phase 3, multi-center, open-label study evaluated the immunogenicity and safety of a quadrivalent meningococcal conjugate vaccine (MenACWY-CRM, Menveo(®); Novartis Vaccines and Diagnostics S.r.l., Siena, Italy) in healthy Indian subjects aged 2-75 years, to provide data for licensure in India.

METHODS: A total of 180 subjects were enrolled (60 subjects 2-10 years, 60 subjects 11-18 years, and 60 subjects 19-75 years) and received one dose of MenACWY-CRM. Serum bactericidal activity with human complement (hSBA) was measured before and 1 month after vaccination. Adverse events were collected throughout the 29-day study period.

RESULTS: Percentages of subjects with post-vaccination hSBA ≥8 were 72%, 95%, 94%, and 90% for serogroups A, C, W, and Y, respectively. Geometric mean titers rose 7-fold to 42-fold against the four serogroups. Similar immune responses were observed for the age subgroups 2-10 years, 11-18 years, and 19-75 years. Seroresponse rates at 1 month following vaccination were 72%, 88%, 55%, and 71% for serogroups A, C, W, and Y, respectively. The vaccine was well tolerated with no safety concerns.

CONCLUSION: A single dose of MenACWY-CRM induced a robust immune response against all four meningococcal serogroups and was well tolerated in an Indian population 2-75 years of age.

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