Effectiveness, Immunogenicity and Safety of Meningococcal ABCWY Vaccine Administered to Healthy Adolescents

A Phase 2b, Randomized, Controlled, Observer-Blind, Multi-Center Study Assessing the Effectiveness, Immunogenicity and Safety of Novartis Meningococcal ABCWY Vaccine Administered to Healthy Adolescents in the U.S.

Evaluate the effectiveness of 2 doses of MenABCWY vaccine in adolescents compared to a single dose of MenACWY vaccine.

Study Overview

• Status: Completed
• Conditions: Meningococcal Disease
• Intervention / Treatment: Biological: MenABCWY; Other: Placebo; Biological: MenACWY

• Study Type: Interventional
• Enrollment (Actual): 305
• Phase: Phase 2

Contacts and Locations

Study Locations

• United States
  • Alabama
    • Huntsville, Alabama, United States, 35802
      • Accelovance, Inc
  • Arkansas
    • Jonesboro, Arkansas, United States, 72401
      • The Children's Clinic of Jonesboro, P.A.
  • Florida
    • Melbourne, Florida, United States, 32935
      • Accelovance, Inc
  • Kansas
    • Newton, Kansas, United States, 67114
      • Heartland Research Associates LLC
    • Wichita, Kansas, United States, 67207
      • Heartland Research Associates, LLC
  • Kentucky
    • Louisville, Kentucky, United States, 40291
      • Bluegrass Clinical Research, Inc.
  • Nebraska
    • Omaha, Nebraska, United States, 68134
      • Meridian Clinical Research
  • Ohio
    • Cleveland, Ohio, United States, 44121
      • Senders Pediatrics

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 10 years to 18 years (Child, Adult)
• Accepts Healthy Volunteers: No
• Genders Eligible for Study: All

Description

Inclusion Criteria:

• Adolescents from 10-18 years of age, generally in good health, and available for all study visits, who/whose legally acceptable representative has given written informed consent at the time of enrollment.
• Female subjects of childbearing potential must have a negative urine pregnancy test.

Exclusion Criteria:

• Serious, acute, or chronic illnesses. Previous or suspected disease caused by N. meningitidis. Previous immunization with any meningococcal vaccine.
• Exposure to individuals with clinically proven meningococcal disease or clinical bacterial meningitis without further microbiologic characterization.

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Prevention
• Allocation: Randomized
• Interventional Model: Parallel Assignment
• Masking: Quadruple

Number of Arms

2

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Experimental: MenABCWY; Subjects received one dose of MenABCWY vaccine at day 1 and a second dose after 2 months	Biological: MenABCWY; Subjects received one dose of 0.5 mL MenABCWY vaccine (intramuscular (IM) injection) at day 1 and a second dose after 2 months.; Other Names: MenACWY conjugate combined with rMenB + OMV
Active Comparator: Placebo/MenACWY; Subjects received one dose of placebo at day 1 and one dose of MenACWY vaccine after 2 months	Other: Placebo; 0.5 mL saline solution (IM); Other Names: saline solution; Biological: MenACWY; Subjects received one dose of 0.5 mL placebo (IM) at day 1 and one dose of 0.5 mL MenACWY vaccine (IM) after 2 months.; Other Names: Menveo

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Percentage of Subjects Without Bactericidal Activity at 1:4 Dilution Against Each US Neisseria Meningitidis (N. Meningitidis) Serogroup B Strain at One Month After the Second Vaccination.	The combined percentage of subjects without bactericidal activity at 1:4 dilution using the endogenous complement human Serum Bactericidal Assay (enc-hSBA) across all strains in MenABCWY group and MenACWY group is reported at one month after the second injection. The percentage of subjects without bactericidal activity at 1:4 dilution was used to assess the effectiveness of two doses of MenABCWY vaccine when compared to one dose of Men ACWY vaccine against a panel of US N. meningitidis serogroup B invasive disease strains. Least Square (LS)-mean computed from the generalized linear model.	One month after the second vaccination (month 3)

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Percentages of Subjects Without Bactericidal Activity at 1:4 Dilution Against Each US N. Meningitidis Serogroup B Strain at 4 Months After the Second Vaccination.	The combined percentage of subjects without bactericidal activity at 1:4 dilution using the endogenous complement human Serum Bactericidal Assay (enc-hSBA) across all strains in MenABCWY group and MenACWY group is reported at four months after the second injection. The percentage of subjects without bactericidal activity at 1:4 dilution was used to assess the effectiveness of two doses of MenABCWY vaccine when compared to one dose of Men ACWY vaccine against a panel of US N. meningitidis serogroup B invasive disease strains. Least Square (LS)-mean computed from the generalized linear model.	Four months after the second vaccination (month 6)
Percentages of Subjects Without Bactericidal Activity at 1:8 Dilution Against Each US N. Meningitidis Serogroup B Strain at One Month After the Second Vaccination	The combined percentage of subjects without bactericidal activity at 1:8 dilution using the endogenous complement human Serum Bactericidal Assay (enc-hSBA) across all strains in MenABCWY group and MenACWY group is reported at one month after the second injection. The percentage of subjects without bactericidal activity at 1:8 dilution was used to assess the effectiveness of two doses of MenABCWY vaccine when compared to one dose of Men ACWY vaccine against a panel of US N. meningitidis serogroup B invasive disease strains. Least Square (LS)-mean computed from the generalized linear model.	One month after the second vaccination (month 3)
Percentages of Subjects Without Bactericidal Activity at 1:8 Dilution Against Each US N. Meningitidis Serogroup B Strain at Four Months After the Second Vaccination.	The combined percentage of subjects without bactericidal activity at 1:8 dilution using the endogenous complement human Serum Bactericidal Assay (enc-hSBA) across all strains in MenABCWY group and MenACWY group is reported at four months after the second injection. The percentage of subjects without bactericidal activity at 1:8 dilution was used to assess the effectiveness of two doses of MenABCWY vaccine when compared to one dose of Men ACWY vaccine against a panel of US N. meningitidis serogroup B invasive disease strains. Least Square (LS)-mean computed from the generalized linear model.	Four months after the second vaccination (month 6)
Percentages of N. Meningitidis Serogroup B Invasive Disease Strains Killed at 1:4 and 1:8 Dilutions, for Each Subject	The mean percentage of N. meningitidis serogroup B invasive disease strains killed by each subject, at 1:4 and 1:8 dilutions at one month after the 2-dose vaccination series is reported.	Baseline, one month after second vaccination (month 3)
Percentages of N. Meningitidis Serogroup B Invasive Disease Strains Killed at 1:4 and 1:8 Dilutions, for Each Subject	The mean percentage of N. meningitidis serogroup B invasive disease strains killed by each subject, at 1:4 and 1:8 dilutions at four months after the 2-dose vaccination series is reported.	Baseline, four months after second vaccination (month 6)
Percentages of Subjects With Enc-hSBA Titer >= 1:4 and Enc-hSBA Titer >= 1:8 at One Month After the 2-dose Vaccination Series	The immunogenicity of two doses of MenABCWY vaccine compared to a single dose of MenACWY vaccine, in terms of percentages of subjects with enc-hSBA >= 1:4 and enc-hSBA titer >= 1:8 against four N. meningitidis serogroup B test strains at one month after the 2-dose vaccination series is reported.	One month after the second vaccination (month 3)
Percentages of Subjects With Enc-hSBA Titer ≥ 1:4 and Enc-hSBA Titer ≥ 1:8 at Four Months After the 2-dose Vaccination Series	The immunogenicity of two doses of MenABCWY vaccine compared to a single dose of MenACWY vaccine, in terms of percentages of subjects with enc-hSBA ≥ 1:4 and enc-hSBA titer ≥ 1:8 against four N. meningitidis serogroup B test strains at four months after the 2-dose vaccination series is reported.	Four months after the second vaccination (month 6)
hSBA Geometric Mean Titers (GMTs) Against the N. Meningitidis Serogroup B Test Strains	The immunogenicity of two doses of MenABCWY compared to a single dose of MenACWY vaccine, in terms of hSBA GMTs against serogroup B test strains, at one month after the 2-dose vaccination series.	One month after the second vaccination (month 3)
HT-hSBA Geometric Mean Titers (GMTs) Against the N. Meningitidis Serogroup B Test Strains	The immunogenicity of two doses of MenABCWY compared to a single dose of MenACWY vaccine, in terms of HT-hSBA GMTs against serogroup B test strains, at four months after the 2-dose vaccination series.	Four months after the second vaccination (month 6)
hSBA Geometric Mean Titers (GMTs) Against the N. Meningitidis Serogroups A,C,W,Y	The immunogenicity of two doses of MenABCWY compared to a single dose of MenACWY vaccine, in terms of hSBA GMTs to serogroups A, C, W, and Y, at one month after the 2-dose vaccination series.	One month after the second vaccination (month 3)
HT-hSBA Geometric Mean Titers (GMTs) Against the N. Meningitidis Serogroups A, C, W, Y	The immunogenicity of two doses of MenABCWY compared to a single dose of MenACWY vaccine, in terms of HT-hSBA GMTs to serogroups A, C, W, and Y, at four months after the 2-dose vaccination series.	Four months after the second vaccination (month 6)
Percentages of Subjects With HT-hSBA Titers Against Serogroup B Test Strains ≥ Lower Limit of Quantitation (LLQ) at Baseline(Day 1) and One Month After the 2-dose Vaccination Series.	The immunogenicity of two doses of MenABCWY vaccine compared to a single dose of MenACWY, in terms of the percentages of subjects with HT-hSBA titers against serogroup B test strains ≥ LLQ, at baseline(day 1) and one month after the 2-dose vaccination series, is reported. The LLQ cut off values for strains 96217, M07-0241084,M14459 and NZ98/254 were 8.6, 8.9, 8 and 8.2 respectively.	At baseline(day 1) and One month after the second vaccination (month 3)
Percentages of Subjects With HT-hSBA Titers Against N. Meningitidis Serogroups A, C, W and Y ≥ LLQ at Baseline and One Month After the 2-dose Vaccination Series	The immunogenicity of two doses of MenABCWY vaccine compared to a single dose of MenACWY, in terms of the percentages of subjects with HT-hSBA titers ≥ against serogroups A, C, W, Y, at baseline(day 1) and one month after the 2-dose vaccination series.The LLQ cut off values for serogroups A,C,W and Y were 22.7,5.2,39.6 and 14.7 respectively.	At Baseline and One month after the second vaccination (month 3)
Percentages of Subjects With HT-hSBA Titers Against Serogroup B Test Strains ≥ Lower Limit of Quantitation (LLQ) at Four Months After the 2-dose Vaccination Series.	The immunogenicity of two doses of MenABCWY vaccine compared to a single dose of MenACWY, in terms of the percentages of subjects with HT-hSBA titers against serogroup B test strains ≥ LLQ, at four months after the 2-dose vaccination series, is reported. The LLQ cut off values for strains 96217, M07-0241084,M14459 and NZ98/254 were 8.6, 8.9, 8 and 8.2 respectively	Four months after the second vaccination (month 6)
Percentages of Subjects With HT-hSBA Titers Against N. Meningitidis Serogroups A, C, W and Y ≥ Lower Limit of Quantitation (LLQ) at Four Months After the 2-dose Vaccination Series.	The immunogenicity of two doses of MenABCWY vaccine compared to a single dose of MenACWY, in terms of the percentages of subjects with HT-hSBA titers ≥ LLQ against serogroups A, C, W, Y at four months after the 2-dose vaccination series.The LLQ cut off values for serogroups A,C,W and Y were 22.7,5.2,39.6 and 14.7 respectively.	Four months after the second vaccination (month 6)
Percentages of Subjects With HT-hSBA Titers Against Serogroup B Test Strains ≥ 5, ≥ 8, ≥ 16, ≥ 32, ≥ 64, ≥ 128 at Four Months After the 2-dose Vaccination Series.	The immunogenicity of two doses of MenABCWY vaccine compared to a single dose of MenACWY, in terms of the percentages of subjects with HT-hSBA titers against serogroup B test strains ≥ 5, ≥ 8, ≥ 16, ≥ 32, ≥ 64, ≥ 128 at four months after the 2-dose vaccination series, is reported.	Four months after the second vaccination (month 6)
Percentages of Subjects With HT-hSBA Titers Against N. Meningitidis Serogroups A, C, W and Y ≥ 8, ≥ 16, ≥ 32, ≥ 64, ≥ 128 at Four Months After the 2-dose Vaccination Series	The immunogenicity of two doses of MenABCWY vaccine compared to a single dose of MenACWY, in terms of the percentages of subjects with HT-hSBA titers ≥ 8, ≥ 16, ≥ 32, ≥ 64, ≥ 128 against serogroups A, C, W, Y at four months after the 2-dose vaccination series.	Four months after the second vaccination (month 6)
Percentages of Subjects With HT-hSBA Titers Against Serogroup B Test Strains≥ 5, ≥ 8, ≥ 16, ≥ 32, ≥ 64, ≥ 128 at One Month After the 2-dose Vaccination Series	The immunogenicity of two doses of MenABCWY vaccine compared to a single dose of MenACWY, in terms of the percentages of subjects with HT-hSBA titers against serogroup B test strains ≥ 5, ≥ 8, ≥ 16, ≥ 32, ≥ 64, ≥ 128 at one month after the 2-dose vaccination series, is reported.	One month after the second vaccination (month 3)
Percentages of Subjects With HT-hSBA Titers Against N. Meningitidis Serogroups A, C, W and Y ≥ 8, ≥ 16, ≥ 32, ≥ 64, ≥ 128 at One Month After the 2-dose Vaccination Series	The immunogenicity of two doses of MenABCWY vaccine compared to a single dose of MenACWY, in terms of the percentages of subjects with HT-hSBA titers ≥ 8, ≥ 16, ≥ 32, ≥ 64, ≥ 128, against serogroups A, C, W, Y, at one month after the 2-dose vaccination series.	One month after the second vaccination (month 3)
Percentage of Subjects With 2-fold Rise in hSBA Titer Against N.Meningitidis Serogroup B Strains at One and Four Months After the 2-dose Vaccination Series.	The immunogenicity of two doses of MenABCWY vaccine compared to a single dose of MenACWY, in terms of the percentages of subjects with a two-fold rise in HT-hSBA titers against the N.meningitidis serogroup B test strains, at 1 and 4 months after the 2-dose vaccination series.The 2-fold rise in titer is defined as follows: a)for subjects with prevaccination hSBA titers <LLQ, a postvaccination hSBA ≥2 LLQ; b) for subjects with a prevaccination hSBA titers ≥LLQ, an increase of at least 2 times of the prevaccination hSBA	At Month 3 and Month 6 ( one and four months after 2 doses of vaccination)
Percentage of Subjects With 3-fold Rise in hSBA Titer Against N.Meningitidis Serogroup B Strains at One and Four Months After the 2-dose Vaccination Series.	The immunogenicity of two doses of MenABCWY vaccine compared to a single dose of MenACWY, in terms of the percentages of subjects with a 3-fold rise in HT-hSBA titers against the N.meningitidis serogroup B test strains, at 1 and 4 months after the 2-dose vaccination series.The 3-fold rise in titer is defined as follows: a)for subjects with prevaccination hSBA titers <LLQ, a postvaccination hSBA ≥3 LLQ; b) for subjects with a prevaccination hSBA titers ≥LLQ, an increase of at least 3 times of the prevaccination hSBA.	At Month 3 and Month 6 ( one and four months after 2 doses of vaccination)
Percentage of Subjects With 4-fold Rise in hSBA Titer Against N.Meningitidis Serogroup B Strains at One and Four Months After the 2-dose Vaccination Series.	The immunogenicity of two doses of MenABCWY vaccine compared to a single dose of MenACWY, in terms of the percentages of subjects with a 4-fold rise in HT-hSBA titers against the N.meningitidis serogroup B test strains, at 1 and 4 months after the 2-dose vaccination series. The 4-fold rise in titer is defined as follows: a)for subjects with prevaccination hSBA titers <LLQ, a postvaccination hSBA ≥4 LLQ; b) for subjects with a prevaccination hSBA titers ≥LLQ, an increase of at least 4 times of the prevaccination hSBA.	At Month 3 and Month 6 ( one and four months after 2 doses of vaccination)
Percentage of Subjects With 2-fold Rise in hSBA Titer Against N.Meningitidis Serogroups A,C,W and Y at One and Four Months After the 2-dose Vaccination Series.	The immunogenicity of two doses of MenABCWY vaccine compared to a single dose of MenACWY, in terms of the percentages of subjects with a two-fold rise in HT-hSBA titers against the N.meningitidis serogroups A,C,W and Y, at 1 and 4 months after the 2-dose vaccination series. The 2-fold rise in titer is defined as follows: a)for subjects with prevaccination hSBA titers <LLQ, a postvaccination hSBA ≥2 LLQ; b) for subjects with a prevaccination hSBA titers ≥LLQ, an increase of at least 2 times of the prevaccination hSBA.	At Month 3 and Month 6 ( one and four months after 2 doses of vaccination)
Percentage of Subjects With 3-fold Rise in hSBA Titer Against N.Meningitidis Serogroups A, C, W and Y at One and Four Months After the 2-dose Vaccination Series.	The immunogenicity of two doses of MenABCWY vaccine compared to a single dose of MenACWY, in terms of the percentages of subjects with a three-fold rise in HT-hSBA titers against the N.meningitidis serogroups A,C,W and Y at 1 and 4 months after the 2-dose vaccination series. The 3-fold rise in titer is defined as follows: a)for subjects with prevaccination hSBA titers <LLQ, a postvaccination hSBA ≥3 LLQ; b) for subjects with a prevaccination hSBA titers ≥LLQ, an increase of at least 3 times of the prevaccination hSBA.	At Month 3 and Month 6 (one and four months after 2 doses of vaccination)
Percentage of Subjects With 4-fold Rise in hSBA Titer Against N.Meningitidis Serogroups A,C,W and Y at One and Four Months After the 2-dose Vaccination Series.	The immunogenicity of two doses of MenABCWY vaccine compared to a single dose of MenACWY, in terms of the percentages of subjects with a 4-fold rise in HT-hSBA titers against the N.meningitidis serogroups A,C,W and Y, at 1 and 4 months after the 2-dose vaccination series. The 4-fold rise in titer is defined as follows: a)for subjects with prevaccination hSBA titers <LLQ, a postvaccination hSBA ≥4 LLQ; b) for subjects with a prevaccination hSBA titers ≥LLQ, an increase of at least 4 times of the prevaccination hSBA.	At Month 3 and Month 6 ( one and four months after 2 doses of vaccination)
Number of Subjects Reporting Solicited Local and Systemic Adverse Events (AEs)	Reactogenicity was presented in terms of number of subjects reporting solicited local and systemic AEs and other indicators.	From day 1 (6 hours) until day 7 after any vaccination
Number of Subjects Reporting Unsolicited AEs.	Percentages of subjects reporting unsolicited AEs including serious adverse events (SAEs).	From day 1 to day 30 after any vaccination for any unsolicited AE. From day 1 to study termination (day 181) for all other categories.

Collaborators and Investigators

• Sponsor: Novartis Vaccines
• Collaborators: GlaxoSmithKline

Publications and helpful links

General Publications

• Adu-Bobie J, Capecchi B, Serruto D, Rappuoli R, Pizza M. Two years into reverse vaccinology. Vaccine. 2003 Jan 30;21(7-8):605-10. doi: 10.1016/s0264-410x(02)00566-2.
• Bai X, Findlow J, Borrow R. Recombinant protein meningococcal serogroup B vaccine combined with outer membrane vesicles. Expert Opin Biol Ther. 2011 Jul;11(7):969-85. doi: 10.1517/14712598.2011.585965. Epub 2011 May 26.
• Viviani V, Biolchi A, Pizza M. Synergistic activity of antibodies in the multicomponent 4CMenB vaccine. Expert Rev Vaccines. 2022 May;21(5):645-658. doi: 10.1080/14760584.2022.2050697. Epub 2022 Mar 14.
• Welsch JA, Senders S, Essink B, Klein T, Smolenov I, Pedotti P, Barbi S, Verma B, Toneatto D. Breadth of coverage against a panel of 110 invasive disease isolates, immunogenicity and safety for 2 and 3 doses of an investigational MenABCWY vaccine in US adolescents - Results from a randomized, controlled, observer-blind phase II study. Vaccine. 2018 Aug 23;36(35):5309-5317. doi: 10.1016/j.vaccine.2018.07.016. Epub 2018 Jul 27.

Study record dates

Study Major Dates

• Study Start: May 1, 2014
• Primary Completion (Actual): November 1, 2014
• Study Completion (Actual): February 1, 2015

Study Registration Dates

• First Submitted: May 6, 2014
• First Submitted That Met QC Criteria: May 14, 2014
• First Posted (Estimate): May 16, 2014

Study Record Updates

• Last Update Posted (Actual): September 12, 2018
• Last Update Submitted That Met QC Criteria: August 10, 2018
• Last Verified: August 1, 2018

More Information

Terms related to this study

• Keywords: Adolescents; Vaccination; Meningococcal disease; Meningitis ABCWY
• Additional Relevant MeSH Terms: Infections; Gram-Negative Bacterial Infections; Bacterial Infections; Bacterial Infections and Mycoses; Neisseriaceae Infections; Meningococcal Infections
• Other Study ID Numbers: V102_16