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MenACYW conjugate vaccine

Phase 3

Meningitis, Meningococcal | Monoclonal antibody | Infectious Disease |Sanofi|Last Updated: Apr 5, 2022

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedACTIVE_CONTROLLED
Total Trials1
Total Enrollment1,183
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03205371Immunogenicity and Safety of a Meningococcal Conjugate Vaccine Given Concomitantly With Other Vaccines in ToddlersPHASE3 COMPLETED 1,183Nov 7, 2016Jul 19, 2018Apr 5, 202237 Mexico, Russia +2
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Study Endpoints
Primary Endpoints
Geometric Mean Titers of Meningococcal Serogroups A, C, Y, and W Antibodies Following Injection With MenACYW Conjugate Vaccine Administered Alone or Concomitantly With Other Pediatric Vaccines: Groups 1, 2, 4, 5, 7, 8, 10, and 11
Day 0 and Day 30 post-vaccination

Antibody titers of Meningococcal Serogroups A, C, Y, and W were measured by serum bactericidal assay using human complement (hSBA) assay. Data for this outcome measure was planned to reported for the combined population of Groups 1 and 10, Groups 2 and 11.

Percentage of Participants With Antibody Titers >=1:4 and >=1:8 Against Meningococcal Serogroups A, C, Y, and W Following Injection With MenACYW Conjugate Vaccine Administered Alone or With Other Pediatric Vaccines: Groups 1, 2, 4, 5, 7, 8, 10, and 11
Day 0 and Day 30 post-vaccination

Antibody titers of Meningococcal Serogroups A, C, Y, and W were measured by hSBA assay. Data for this outcome measure was planned to be reported for the combined population of Groups 1 and 10, Groups 2 and 11.

Percentage of Participants With >=4-Fold Rise in Antibody Titers Against Meningococcal Serogroups A, C, Y, and W Following Injection With MenACYW Conjugate Vaccine Administered Alone or With Other Pediatric Vaccines: Groups 1, 2, 4, 5, 7, 8, 10, and 11
Day 0 up to Day 30 post-vaccination

Antibody titers of Meningococcal Serogroups A, C, Y, and W were measured by hSBA assay. Data for this outcome measure was planned to be reported for the combined population of Groups 1 and 10, Groups 2 and 11.

Percentage of Participants Achieving hSBA Vaccine Seroresponse for Meningococcal Serogroups A, C, Y, and W Following Injection With MenACYW Conjugate Vaccine Administered Alone or Concomitantly With Pediatric Vaccines: Groups 1, 2, 4, 5, 7, 8, 10, and 11
Day 30 post-vaccination

The hSBA vaccine seroresponse for serogroups A, C, Y, and W was defined as post-vaccination hSBA titers \>=1:16 for participants with pre-vaccination titers \<1:8 or at least a 4-fold increase in post-vaccination hSBA titers from pre- to post-vaccination, for participants with pre-vaccination titers \>=1:8. Data for this outcome measure was planned to be reported for the combined population of Groups 1 and 10, Groups 2 and 11.

Secondary Endpoints
Geometric Mean Titers of MMR-Varicella Antibodies Following Injection With MMR-Varicella Vaccine Administered Alone or Concomitantly With the MenACYW Conjugate Vaccine: Groups 1, 3, 10, and 12
Day 0 and Day 30 post-vaccination
Percentage of Participants With Immune Response Following Injection With MMR-Varicella Vaccine Administered Alone or Concomitantly With the MenACYW Conjugate Vaccine: Groups 1, 3, 10, and 12
Day 0 and Day 30 post-vaccination
Geometric Mean Titers of Pertussis Toxoid (PT) and Filamentous Hemagglutinin (FHA) Antibodies Following Injection With DTaP-IPV-HB-Hib Vaccine Administrated Alone or Concomitantly With the MenACYW Conjugate Vaccine: Groups 4 and 6
Day 0 and Day 30 post-vaccination
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Study Design & Arms
AllocationRANDOMIZED
MaskingSINGLE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
South Korea(Group1):MenACYW Conjugate + MMR+ Varicella VaccineEXPERIMENTALHealthy, meningococcal-vaccine naïve toddlers (aged 12 to 23 months) received single dose of MenACYW Conjugate vaccine, MMR vaccine, and varicella vaccine on Day 0.
South Korea (Group 2): MenACYW Conjugate VaccineEXPERIMENTALHealthy, meningococcal-vaccine naïve toddlers (aged 12 to 23 months) received single dose of MenACYW Conjugate vaccine on Day 0.
South Korea (Group 3): MMR + Varicella VaccineACTIVE_COMPARATORHealthy, meningococcal-vaccine naïve toddlers (aged 12 to 23 months) received single dose of MMR vaccine and varicella vaccine on Day 0.
Thailand (Group 10):MenACYW Conjugate +MMR+Varicella VaccineEXPERIMENTALHealthy, meningococcal-vaccine naïve toddlers (aged 12 to 23 months) received single dose of MenACYW Conjugate vaccine, MMR vaccine, and varicella vaccine on Day 0.
Thailand (Group 11):MenACYW Conjugate VaccineEXPERIMENTALHealthy, meningococcal-vaccine naïve toddlers (aged 12 to 23 months) received single dose of MenACYW Conjugate vaccine on Day 0.
Thailand (Group 12): MMR + Varicella VaccineACTIVE_COMPARATORHealthy, meningococcal-vaccine naïve toddlers (aged 12 to 23 months) received single dose of MMR vaccine and varicella vaccine on Day 0.
Mexico (Group 4): MenACYW Conjugate + DTaP-IPV-HB-Hib VaccineEXPERIMENTALHealthy, meningococcal-vaccine naïve toddlers (aged 12 to 23 months) received single dose of MenACYW Conjugate vaccine and diphtheria, tetanus, acellular pertussis, hepatitis B, poliomyelitis and Haemophilus influenzae type-b (DTaP-IPV-HB-Hib) vaccine on Day 0.
Mexico (Group 5): MenACYW Conjugate VaccineEXPERIMENTALHealthy, meningococcal-vaccine naïve toddlers (aged 12 to 23 months) received single dose of MenACYW Conjugate vaccine on Day 0.
Mexico (Group 6): DTaP-IPV-HB-Hib VaccineACTIVE_COMPARATORHealthy, meningococcal-vaccine naïve toddlers (aged 12 to 23 months) received single dose of DTaP-IPV-HB-Hib vaccine on Day 0.
Russian Federation (Group7): MenACYW Conjugate + PCV13 VaccineEXPERIMENTALHealthy, meningococcal-vaccine naïve toddlers (aged 15 to 23 months) received single dose of MenACYW Conjugate vaccine and pneumococcal Conjugate vaccine (PCV13) on Day 0.
Russian Federation (Group 8): MenACYW Conjugate VaccineEXPERIMENTALHealthy, meningococcal-vaccine naïve toddlers (aged 12 to 14 months or 16 to 23 months) received single dose of MenACYW Conjugate vaccine on Day 0.
Russian Federation (Group 9): PCV13 VaccineACTIVE_COMPARATORHealthy, meningococcal-vaccine naïve toddlers (aged 15 to 23 months) received single dose of PCV13 vaccine on Day 0.
Interventions
NameTypeDescription
MenACYW conjugate vaccineBIOLOGICALMeningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate Vaccine; 0.5 milliliter (mL), Intramuscular
MMRBIOLOGICALMeasles, Mumps, and Rubella Virus Vaccine Live; 0.5 mL, Subcutaneous
VaricellaBIOLOGICALVaricella Virus Vaccine Live; 0.5 mL, Subcutaneous
DTaP-IPV-HB-HibBIOLOGICALDiphtheria, Tetanus, Pertussis (acellular component), Hepatitis B, Poliomyelitis (inactivated), and Haemophilus influenzae type-b conjugate vaccine (adsorbed); 0.5 mL, Intramuscular
PCV13BIOLOGICALPneumococcal 13-valent Conjugate Vaccine; 0.5 mL, Intramuscular
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Eligibility Criteria
Age Range12 Months — 23 Months
SexALL
Healthy VolunteersYes
Study Sites37

Inclusion Criteria: * For South Korea: Korean males and females aged 12 to 23 months on the day of the first study visit. * For Mexico: Males and females aged 12 to 23 months on the day of the first study visit. * For the Russian Federation: Males and females aged 12 to 14 months or 16 to 23 months...

Countries:MexicoRussiaSouth KoreaThailand
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