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Showing 1–24 of 100 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Meningococcal Disease Clear all
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of 2 or 3 Doses of MenACWY Conjugate Vaccine in Healthy Infants and the Effects of a Booster Dose of MenACWY Administered in the Second Year of Life

NCT01214837
View directory record Official record
Conditions
Meningococcal Disease, Meningococcal Meningitis
Interventions
MenACWY-CRM, Routine Vaccines
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
55 Days to 89 Days
Enrollment
751 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
37
States / cities
Birmingham, Alabama • Fayetteville, Arkansas • Jonesboro, Arkansas + 30 more
Source: ClinicalTrials.gov public record
Updated Oct 8, 2018 · Synced Sep 12, 2026, 8:00 AM EDT
Completed Not applicable Interventional

Examining Adolescent Assessment, Feedback, Incentive, and Exchange (AFIX) in North Carolina

NCT01544764
View directory record Official record
Conditions
Adolescent Health Services, Immunization
Interventions
Assessment , Feedback, Incentives, and eXchange Program
Other
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
Not listed
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2012
U.S. locations
2
States / cities
Chapel Hill, North Carolina • Raleigh, North Carolina
Source: ClinicalTrials.gov public record
Updated Dec 17, 2013 · Synced Sep 12, 2026, 8:00 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immunogenicity, Safety and 1 Year Persistence of Antibodies After Either One or Two Doses of Meningococcal ACWY Conjugate Vaccine in Healthy Children 2 Through 10 Years of Age.

NCT01682876
View directory record Official record
Conditions
Meningococcal Disease, Infections, Meningococcal
Interventions
MenACWY-CRM
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
2 Years to 10 Years
Enrollment
715 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
19
States / cities
Birmingham, Alabama • Sacramento, California • Lake Mary, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Jun 13, 2019 · Synced Sep 12, 2026, 8:00 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Intradermal Versus Subcutaneous Doses of Menomune®

NCT00850603
View directory record Official record
Conditions
Meningococcal Infections, Meningitis
Interventions
Meningococcal Polysaccharide Groups A\C\Y\W-135 Combined
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years to 55 Years
Enrollment
170 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2004
U.S. locations
1
States / cities
East Stroudsburg, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Apr 13, 2016 · Synced Sep 12, 2026, 8:00 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study of a Single Dose of Menactra® Vaccine 4-6 Years After Prior Menactra Vaccine

NCT01442675
View directory record Official record
Conditions
Meningitis, Meningococcal Infection
Interventions
Meningococcal (Groups A, C, Y and W-135) Polysaccharide Diphtheria Toxoid Conjugate: Menactra®
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
15 Years to 55 Years
Enrollment
834 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
15
States / cities
Little Rock, Arkansas • San Diego, California • Bardstown, Kentucky + 12 more
Source: ClinicalTrials.gov public record
Updated Nov 17, 2014 · Synced Sep 12, 2026, 8:00 AM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Observational, Passive Surveillance Program to Collect Information on Women and Their Offspring Exposed to MenQuadfi® During Pregnancy, in United States (US)

NCT04843111
View directory record Official record
Conditions
Meningococcal Infection
Interventions
Meningococcal polysaccharide (serogroups A, C, Y, and W) tetanus toxoid conjugate vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2028
U.S. locations
1
States / cities
Swiftwater, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 30, 2025 · Synced Sep 12, 2026, 8:00 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Immunogenicity and Safety of an Investigational Quadrivalent Meningococcal Conjugate Vaccine in Healthy Adolescents

NCT02199691
View directory record Official record
Conditions
Meningitis, Meningococcal Meningitis, Meningococcal Infections
Interventions
Meningococcal Polysaccharide (Serogroups A, C, Y, and W135) Tetanus Toxoid Conjugate Vaccine, Meningococcal (Groups A, C, Y and W135) Oligosaccharide Diphtheria CRM197 Conjugate Vaccine, Adacel®: Tetanus Toxoid, Reduced Diphtheria Toxoid and Acellular Pertussis Vaccine Adsorbed, GARDASIL®: Human Papillomavirus Quadrivalent (Types 6, 11, 16, and 18) Vaccine, Recombinant
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
10 Years to 17 Years
Enrollment
1,715 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
35
States / cities
Birmingham, Alabama • Huntsville, Alabama • Downey, California + 28 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2022 · Synced Sep 12, 2026, 8:00 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety Study of Group A, C, Y & W-135 Meningococcal Polysaccharide Diphtheria Toxoid Conjugate Vaccine for Meningitis

NCT01482052
View directory record Official record
Conditions
Meningococcal Meningitis, Meningococcal Infections
Interventions
meningococcal meningitis conjugate vaccine, quadrivalent
Biological
Lead sponsor
JN-International Medical Corporation
Industry
Eligibility
18 Years to 50 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
1
States / cities
Hanford, California
Source: ClinicalTrials.gov public record
Updated Jan 13, 2013 · Synced Sep 12, 2026, 8:00 AM EDT
Completed No phase listed Observational

Safety Study of GBS Following Menactra Meningococcal Vaccination

NCT00575653
View directory record Official record
Conditions
Guillain-Barre Syndrome
Interventions
Not listed
Lead sponsor
Harvard Pilgrim Health Care
Other
Eligibility
11 Years to 21 Years
Enrollment
6,000,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
6
States / cities
Wilmington, Delaware • Honolulu, Hawaii • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Mar 15, 2017 · Synced Sep 12, 2026, 8:00 AM EDT
Completed No phase listed Observational Results available

Safety of 4CMenB Exposure During Pregnancy

NCT02640677
View directory record Official record
Conditions
Infections, Meningococcal
Interventions
4CMenB
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
Not listed
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Wilmington, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 2, 2020 · Synced Sep 12, 2026, 8:00 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immune Lot Consistency, Immunogenicity, and Safety of an Investigational Quadrivalent Meningococcal Conjugate Vaccine

NCT02842853
View directory record Official record
Conditions
Meningitis, Meningococcal Meningitis, Meningococcal Infections
Interventions
Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate Vaccine, Meningococcal (Groups A, C, Y and W-135) Polysaccharide Diphtheria Toxoid Conjugate Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
10 Years to 55 Years
Enrollment
3,344 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
89
States / cities
Birmingham, Alabama • Dothan, Alabama • Mobile, Alabama + 72 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2022 · Synced Sep 12, 2026, 8:00 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Immunogenicity and Safety of Meningococcal Vaccine GSK134612 Given as 1 or 2 Doses to Healthy 9-12 Months Old Toddlers.

NCT00471081
View directory record Official record
Conditions
Infections, Meningococcal
Interventions
Meningococcal vaccine GSK134612
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
9 Months to 9 Months
Enrollment
385 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
19
States / cities
Birmingham, Alabama • Benton, Arkansas • Little Rock, Arkansas + 15 more
Source: ClinicalTrials.gov public record
Updated Jun 24, 2019 · Synced Sep 12, 2026, 8:00 AM EDT
Active, not recruiting Phase 2 Interventional Accepts healthy volunteers

Safety, Tolerability, and Immunogenicity of MenABCWY Administered on Different Dosing Schedules in Healthy Adolescents

NCT05087056
View directory record Official record
Conditions
Meningitis, Meningococcal
Interventions
MenABCWY vaccine, Placebo
Combination Product
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
11 Years to 14 Years
Enrollment
312 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
6
States / cities
Tucson, Arizona • Ventura, California • Macon, Georgia + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 12, 2026 · Synced Sep 12, 2026, 8:00 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study to Assess the Safety and Immunogenicity of a Single Dose of GlaxoSmithKline's (GSK) Meningococcal MenACWY-CRM Vaccine (Menveo), Administered to Subjects 15 Through 55 Years of Age, Approximately 4-6 Years After Primary ACWY Vaccination

NCT02986854
View directory record Official record
Conditions
Infections, Meningococcal
Interventions
Meningococcal (groups A, C, W and Y) oligosaccharide diphtheria CRM-197 conjugate Vaccine (Menveo)
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
15 Years to 55 Years
Enrollment
704 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
36
States / cities
Birmingham, Alabama • Huntsville, Alabama • Chandler, Arizona + 27 more
Source: ClinicalTrials.gov public record
Updated Nov 24, 2019 · Synced Sep 12, 2026, 8:00 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study of a Quadrivalent Meningococcal Conjugate Vaccine in Subjects Aged 56 and Older

NCT01732627
View directory record Official record
Conditions
Meningitis, Meningococcal Meningitis, Meningococcal Infections, Invasive Meningococcal Disease
Interventions
Meningococcal Polysaccharide (A, C, Y, and W 135) Tetanus Protein Conjugate Vaccine, Meningococcal Polysaccharide Vaccine, Groups A, C, Y, W 135 Combined
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
56 Years and older
Enrollment
301 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2013
U.S. locations
12
States / cities
Chandler, Arizona • Scottsdale, Arizona • Denver, Colorado + 9 more
Source: ClinicalTrials.gov public record
Updated Apr 3, 2022 · Synced Sep 12, 2026, 8:00 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study to Assess the Safety and Immunogenicity of a Single Dose of a Quadrivalent Meningococcal (MenACYW) Conjugate Vaccine in Older Adults Who Received a Primary Vaccination (3 or More Years Earlier) in Study MET49

NCT04142242
View directory record Official record
Conditions
Meningococcal Infection (Healthy Volunteers)
Interventions
Meningococcal Polysaccharide (serogroups A, C, Y, and W) Tetanus Toxoid Conjugate Vaccine, Blood sample
Biological · Other
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
59 Years and older
Enrollment
471 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
33
States / cities
Chandler, Arizona • San Diego, California • Waterbury, Connecticut + 27 more
Source: ClinicalTrials.gov public record
Updated Sep 10, 2025 · Synced Sep 12, 2026, 8:00 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Immunogenicity and Safety of Meningococcal Vaccine GSK134612 vs. Menactra® in Healthy Adolescent/Adults Aged 10-25 Years.

NCT00454909
View directory record Official record
Conditions
Infections, Meningococcal
Interventions
Meningococcal vaccine 134612, Menactra®
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
10 Years to 25 Years
Enrollment
873 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
10
States / cities
Daly City, California • Fairfield, California • Redwood City, California + 6 more
Source: ClinicalTrials.gov public record
Updated Jun 7, 2018 · Synced Sep 12, 2026, 8:00 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

36-Month Post-marketing Surveillance and Analysis of Menactra Vaccine in 2-10 Year Olds

NCT00728260
View directory record Official record
Conditions
Meningitis, Meningococcal Disease
Interventions
None administered in this study
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
Not listed
Enrollment
1,421 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2013
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Feb 11, 2015 · Synced Sep 12, 2026, 8:00 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study to Assess the Safety and Immunogenicity of GSK Meningococcal Group B Vaccine When Administered Concomitantly With GSK Meningococcal MenACWY Conjugate Vaccine in Healthy Subjects of 16-18 Years of Age

NCT04318548
View directory record Official record
Conditions
Infections, Meningococcal
Interventions
Meningococcal Group B Vaccine (GSK3536829A) (rMenB+OMV NZ), Meningococcal MenACWY Conjugate Vaccine (GSK3536820A) (MenA lyo + MenCWY liquid), Placebo
Combination Product · Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
16 Years to 18 Years
Enrollment
945 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
49
States / cities
Phoenix, Arizona • Bell Gardens, California • Los Angeles, California + 35 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2025 · Synced Sep 12, 2026, 8:00 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Safety Surveillance of MenACWY-CRM Vaccine in Children

NCT01452438
View directory record Official record
Conditions
Meningococcal Disease
Interventions
MenACWY-CRM
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
2 Years to 10 Years
Enrollment
393 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
1
States / cities
Pasadena, California
Source: ClinicalTrials.gov public record
Updated Aug 5, 2015 · Synced Sep 12, 2026, 8:00 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Post-licensure Safety Surveillance Study of Menactra Vaccine When Administered As a 2-dose Schedule to Children

NCT01689155
View directory record Official record
Conditions
Meningitis, Meningococcal Infection
Interventions
Menactra®: Meningococcal Polysaccharide Diphtheria Toxoid Conjugate
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
9 Months to 23 Months
Enrollment
116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Nov 10, 2016 · Synced Sep 12, 2026, 8:00 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity Study of Hib-MenCY-TT Vaccine Compared to Licensed Hib Conjugate Vaccine

NCT00289783
View directory record Official record
Conditions
Haemophilus Influenzae Type b, Neisseria Meningitidis
Interventions
GSK Biologicals' Haemophilus influenzae type b and Neisseria meningitidis 792014 vaccine, ActHIB, PedvaxHIB, Pediarix, Prevnar, M-M-R II, Varivax
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Weeks to 15 Months
Enrollment
4,441 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
88
States / cities
Birmingham, Alabama • Phoenix, Arizona • Bryant, Arkansas + 76 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2018 · Synced Sep 12, 2026, 8:00 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Study on the Safety, Effectiveness and Immune Response of Meningococcal Combined ABCWY Vaccine in Healthy Adolescents and Adults

NCT04886154
View directory record Official record
Conditions
Infections, Meningococcal
Interventions
MenABCWY-2Gen low dose vaccine, MenABCWY-2Gen high dose vaccine, Placebo, MenB vaccine, MenACWY vaccine
Combination Product · Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
10 Years to 50 Years
Enrollment
1,440 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
12
States / cities
Colorado Springs, Colorado • Longmont, Colorado • Doral, Florida + 9 more
Source: ClinicalTrials.gov public record
Updated May 30, 2025 · Synced Sep 12, 2026, 8:00 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Dose Comparison Study of Menactra® in US Children

NCT00700635
View directory record Official record
Conditions
Meningitis, Meningococcal Infection, Neisseria Meningitidis
Interventions
Menactra®: Meningococcal Polysaccharide Diphtheria Conjugate
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
2 Years to 10 Years
Enrollment
333 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
15
States / cities
Jonesboro, Arkansas • Little Rock, Arkansas • Boca Raton, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2016 · Synced Sep 12, 2026, 8:00 AM EDT