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. 2025 Sep 18;21(1):2559506. doi: 10.1080/21645515.2025.2559506

Table 3.

Clinical trials conducted with MenFive.

Phase Study Site(s) Population Number of subjects (NmCV-5/comparator) Primary Objective Status Summary
1 US 18–45 years 20/20/20 Safety Complete26 Demonstrated initial NmCV-5 safety and immunogenicity in adults.
2 Mali 12–16 months 150/150/75 Safety Complete27 Demonstrated safety and immunogenicity in toddlers. Demonstrated boosting of DT and TT immune responses.
3 Mali and The Gambia 2–29 years 1200/600 Non-inferiority compared to licensed Men ACWY-D vaccine. Complete28 Immunological non-inferiority demonstrated. Immunological persistence demonstrated through 12 months.
2/3 India 18–85 years 1230/410 Non-inferiority compared to licensed Men ACWY-D vaccine and lot-to-lot consistency Complete29 Non-inferiority and lot-to-lot consistency demonstrated.
3 Mali 9–15 months 800/400 Non-inferiority compared to licensed ACWY-T vaccine and EPI non-interference Ongoing (partial results available)30 Non-inferiority and EPI compatibility demonstrated.