Drugs / MenACYW conjugate vaccine

Trials 12

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 311 trials · 4 met primary
Phase 3 NCT07135986 Sep 2025 → May 2026 overdue meningococcal infection Sanofi Active not recruiting No outcome recorded
Phase 3 NCT05794230 Mar 2023 → Nov 2025 meningococcal infection Sanofi Pasteur, a Sanofi Company Completed No outcome recorded
Phase 3 NCT04490018 Mar 2021 → May 2022 meningococcal infection Sanofi Pasteur, a Sanofi Company Completed Met primary
Phase 3 NCT04368429 May → Nov 2020 — Sanofi Completed Met primary
Phase 3 NCT03890367 Sep 2019 → Oct 2020 — Sanofi Pasteur, a Sanofi Company Completed Met primary
Phase 3 NCT04084769 Sep 2019 → Sep 2020 — Sanofi Pasteur, a Sanofi Company Completed No outcome recorded
Phase 3 NCT03547271 Dec 2018 → May 2023 meningococcal infection Sanofi Pasteur, a Sanofi Company Completed Mixed
Phase 3 NCT03632720 Oct 2018 → Dec 2022 — Sanofi Pasteur, a Sanofi Company Completed No outcome recorded
Phase 3 NCT03673462 Sep 2018 → Mar 2023 — Sanofi Pasteur, a Sanofi Company Completed No outcome recorded
Phase 3 NCT03537508 Apr 2018 → Sep 2023 — Sanofi Pasteur, a Sanofi Company Completed Met primary
Phase 41 trial
Phase 4 NCT05929651 Sep 2023 → Sep 2024 meningococcal infection Sanofi Pasteur, a Sanofi Company Completed No outcome recorded
Comparator or background therapy2 trials
Phase 1/2 NCT06647407 Comparator Nov 2024 → May 2027 expected meningococcal infection Sanofi Pasteur, a Sanofi Company Active not recruiting No outcome recorded
Phase 3 NCT06284915 Comparator Mar 2024 → Nov 2025 meningococcal infection Sanofi Pasteur, a Sanofi Company Completed No outcome recorded

News releases announcing trial results or a regulatory action · 6

DateIssuerRelease
2026-08-04 Sanofi Regulatory Press Release: Sanofi’s MenQuadfi approved in the EU for use in infants from age six weeks against invasive meningococcal disease sanofi.com ↗
Sanofi’s MenQuadfi approved in the EU for use in infants from age six weeks against invasive meningococcal disease
2021-07-10 Sanofi Results Media Update: MenQuadfi® demonstrates superior immune response against serogroup C meningococcal disease in toddlers sanofi.com ↗
The Phase 3 study met all primary and secondary endpoints, demonstrating that MenQuadfi induced superior immune responses to serogroup C based on geometric mean antibody titers (GMTs*) compared to NeisVac-C - a standard-of-care vaccine - in healthy toddlers.
2021-02-05 Sanofi Regulatory Sanofi delivered close to double-digit Q4 2020 business EPS(1) growth at CER sanofi.com ↗
The EC approved MenQuadfi ® for active immunization of individuals from the age of 12 months and older against invasive meningococcal disease caused by Neisseria meningitidis serogroups A, C, W and Y, based upon results from a robust and comprehensive international clinical program, including seven pivotal Phase 2 and 3 randomized, active-controlled, multi-center studies.
2020-11-23 Sanofi Regulatory European Commission approves MenQuadfi®, the latest innovation in meningococcal (MenACWY) vaccination for individuals 12 months of age and older sanofi.com ↗
The European Commission (EC) has approved MenQuadfi ® for active immunization of individuals from the age of 12 months and older against invasive meningococcal disease caused by Neisseria meningitidis serogroups A, C, W and Y.
2020-09-22 Sanofi Regulatory CHMP recommends approval of MenQuadfi® for active immunization of individuals from the age of 12 months and older against invasive meningococcal ACWY disease sanofi.com ↗
The European Medicines Agency’s Committee for Medicinal Products for Human Use (CHMP) has adopted a positive opinion for MenQuadfi ® for active immunization of individuals from the age of 12 months and older against invasive meningococcal disease caused by Neisseria meningitidis serogroups A, C, W and Y.
2020-04-24 Sanofi Regulatory FDA approves MenQuadfiTM, the latest innovation in meningococcal (MenACWY) vaccination sanofi.com ↗
The U.S. Food and Drug Administration (FDA) has approved a Biologics License Application for MenQuadfi TM Meningococcal (Groups A, C, Y, W) Conjugate Vaccine for the prevention of invasive meningococcal disease in persons 2 years of age and older.

Evidence & citations 6 cited values

Every value below carries the sentence it was read from. 18 sources stand behind the page.

FieldValueCited text
Known as MenACYW conjugate vaccine “when MenACYW Conjugate vaccine was administered concomitantly with Bexsero® in the second year of life compared to when MenACYW Conjugate vaccine was given alone” NCT03632720 ↗
13

“evaluate and/or describe the immunogenicity and describe the safety of MenACYW conjugate vaccine when administered in infants and toddlers” NCT05794230 ↗

“received a single dose of MenACYW Conjugate vaccine on Day 0.” NCT03890367 ↗

NCT07135986 ↗

NCT03537508 ↗

NCT03673462 ↗

NCT04368429 ↗

NCT04490018 ↗

NCT03476135 ↗

NCT06284915 ↗

NCT03547271 ↗

Show 3 more sources

Known as MenACYW conjugate vaccine - MenQuadfi “MenACYW conjugate vaccine - MenQuadfi™” NCT05794230 ↗
Known as MenACYW-TT “The immunogenicity and safety of MenACYW-TT (MenQuadfi®) were compared to another quadrivalent meningococcal conjugate vaccine, MCV4-TT (Nimenrix®), when administered in...” PMID 40665158 ↗ Jul 2025
3

“A quadrivalent meningococcal tetanus toxoid-conjugate vaccine, MenACYW-TT, has been developed to provide protection against invasive meningococcal disease caused by Neisseria...” PMID 41337697 ↗ Dec 2025

“We compared the immune response of a tetanus toxoid conjugated quadrivalent meningococcal vaccine (MenACYW-TT, MenQuadfi®) with another quadrivalent meningococcal conjugate...” PMID 38955966 ↗ Jul 2024

“tetanus toxoid-conjugate quadrivalent meningococcal vaccine (MenACYW-TT)” PMID 36899125 ↗ Mar 2023

Known as Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate Vaccine “Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate Vaccine (MenACYW Conjugate Vaccine)” NCT04368429 ↗
1

“Meningococcal polysaccharide (serogroups A,C,Y and W) tetanus toxoid Conjugate vaccine (MenACYW Conjugate vaccine)” NCT03673462 ↗

Modality Vaccine “Meningococcal polysaccharide (serogroups A, C, Y, and W) tetanus toxoid conjugate vaccine” NCT03476135 ↗
Route Intramuscular “intramuscular” NCT03476135 ↗