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Showing 1–24 of 65 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Meningitis, Meningococcal Clear all
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Evaluation of Meningococcal Immune Response Among Children Who Previously Received MenACWY Conjugate Vaccine

NCT01148017
View directory record Official record
Conditions
Meningococcal Meningitis
Interventions
Meningococcal (groups A, C, W, and Y) oligosaccharide diphtheria CRM-197 conjugate vaccine
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
37 Months to 63 Months
Enrollment
433 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
19
States / cities
Birmingham, Alabama • Downey, California • Oakland, California + 15 more
Source: ClinicalTrials.gov public record
Updated Aug 13, 2017 · Synced Sep 21, 2026, 3:57 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study of Menactra® in Children Aged 4 to 6 Years When Administered Concomitantly With a Fifth Dose of DAPTACEL®

NCT00355121
View directory record Official record
Conditions
Meningococcal Meningitis, Tetanus, Diphtheria, Pertussis, Poliomyelitis
Interventions
Polysaccharide Diphtheria Toxoid Conjugate Vaccine
Biological
Lead sponsor
Sanofi
Industry
Eligibility
4 Years to 7 Years
Enrollment
882 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
26
States / cities
Little Rock, Arkansas • Boulder, Colorado • Atlanta, Georgia + 23 more
Source: ClinicalTrials.gov public record
Updated Aug 23, 2011 · Synced Sep 21, 2026, 3:57 PM EDT
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 21, 2026, 3:57 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

The Long-term Antibody Persistence of GSK Biologicals' Meningococcal Vaccine GSK134612 in Healthy Toddlers

NCT00718666
View directory record Official record
Conditions
Infections, Meningococcal
Interventions
Meningococcal vaccine GSK134612
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
2 Years to 6 Years
Enrollment
387 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2014
U.S. locations
14
States / cities
Benton, Arkansas • Little Rock, Arkansas • Antioch, California + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2019 · Synced Sep 21, 2026, 3:57 PM 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 21, 2026, 3:57 PM 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 21, 2026, 3:57 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Evaluation of Persistence of Anti-meningococcal Bactericidal Antibodies Among Adolescents Who Previously Received MenACWY Conjugate Vaccine

NCT00856297
View directory record Official record
Conditions
Meningococcal Meningitis
Interventions
MenACWY-CRM conjugate vaccine, Licensed comparator
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
11 Years to 18 Years
Enrollment
389 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
32
States / cities
Birmingham, Alabama • Fremont, California • Fresno, California + 21 more
Source: ClinicalTrials.gov public record
Updated Jun 13, 2017 · Synced Sep 21, 2026, 3:57 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of Different Meningitis Vaccine Formulations in Adolescents and Young Adults

NCT01272180
View directory record Official record
Conditions
Invasive Meningococcal Disease
Interventions
Meningococcal (groups A, C, W, Y) oligosaccharide diphtheria CRM-197 conjugate combined with meningococcal (group B) multicomponent recombinant vaccine + OMV., Meningococcal (group B) multicomponent recombinant adsorbed vaccine plus OMV., Meningococcal (groups A, C, W, and Y) oligosaccharide diphtheria CRM-197 conjugate vaccine., Meningococcal (groups A, C, W, Y) oligosaccharide diphtheria CRM-197 conjugate combined with meningococcal (group B) multicomponent recombinant vaccine + qOMV.
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
10 Years to 25 Years
Enrollment
484 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
8
States / cities
Birmingham, Alabama • Madera, California • Paramount, California + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 15, 2020 · Synced Sep 21, 2026, 3:57 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity Study of Group B Meningococcal Vaccine to Prevent Meningitis.

NCT00248833
View directory record Official record
Conditions
Meningitis, Meningococcal, Serogroup B
Interventions
25ug Group B Meningococcal 44/76 MOS NOMV 5D Vaccine, 50ug Group B Meningococcal 44/76 MOS NOMV 5D Vaccine
Biological
Lead sponsor
U.S. Army Medical Research and Development Command
Federal
Eligibility
18 Years to 45 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Silver Spring, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 28, 2018 · Synced Sep 21, 2026, 3:57 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immunogenicity and Safety of an Investigational Quadrivalent Meningococcal Conjugate Vaccine in Adults 56 Years and Older

NCT02842866
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 Polysaccharide Vaccine, Groups A, C, Y, and W-135 Combined
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
56 Years and older
Enrollment
907 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
35
States / cities
Chandler, Arizona • Anaheim, California • San Diego, California + 28 more
Source: ClinicalTrials.gov public record
Updated Apr 4, 2022 · Synced Sep 21, 2026, 3:57 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study of Menactra® in US Adolescents When Administered Concomitantly With Tdap Vaccine

NCT00777257
View directory record Official record
Conditions
Meningitis, Meningococcemia, Pertussis, Tetanus, Diphtheria
Interventions
T dap + Meningococcal Polysaccharide Diphtheria Toxoid Conj., Tdap + Meningococcal Polysaccharide Diphtheria Toxoid Conj., Meningococcal Polysaccharide Diphtheria Toxoid Conj. + T dap
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
11 Years to 17 Years
Enrollment
1,345 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
20
States / cities
Jonesboro, Arkansas • Little Rock, Arkansas • Boulder, Colorado + 17 more
Source: ClinicalTrials.gov public record
Updated Feb 13, 2014 · Synced Sep 21, 2026, 3:57 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Clinical Trial to Study the Safety, Tolerance and Immunogenic Response to MCV4, Tdap and Bivalent rLP2086 Vaccine When Given at the Same Time to Children Between the Ages of 10 Through 12 Years of Age

NCT01461980
View directory record Official record
Conditions
Vaccines, Meningococcal Vaccines
Interventions
rLP2086 + MCV4 + Tdap, MCV4 + Tdap + saline, rLP2086 + saline
Biological
Lead sponsor
Pfizer
Industry
Eligibility
10 Years to 12 Years
Enrollment
2,648 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2014
U.S. locations
117
States / cities
Birmingham, Alabama • Daphne, Alabama • Chandler, Arizona + 73 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2018 · Synced Sep 21, 2026, 3:57 PM 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 21, 2026, 3:57 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Clinical Trial to Study the Safety, Tolerance and Immunogenic Response to Gardasil and Bivalent rLP2086 Vaccine When Given at the Same Time to Children Between the Ages of 11 and 17

NCT01461993
View directory record Official record
Conditions
Vaccines, Meningococcal Vaccines
Interventions
rLP2086 and Gardasil, rLP2086, Gardasil
Biological
Lead sponsor
Pfizer
Industry
Eligibility
11 Years to 17 Years
Enrollment
2,499 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2013
U.S. locations
87
States / cities
Daphne, Alabama • Chandler, Arizona • Jonesboro, Arkansas + 57 more
Source: ClinicalTrials.gov public record
Updated Dec 18, 2018 · Synced Sep 21, 2026, 3:57 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study of a Booster Dose of Meningococcal Diphtheria Toxoid Conjugate Vaccine in Adolescents

NCT00777790
View directory record Official record
Conditions
Meningitis, Meningococcemia
Interventions
Meningococcal Polysaccharide Diphtheria Toxoid Conjugate
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
13 Years to 21 Years
Enrollment
241 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
9
States / cities
Atlanta, Georgia • Marietta, Georgia • Woburn, Massachusetts + 6 more
Source: ClinicalTrials.gov public record
Updated Feb 13, 2014 · Synced Sep 21, 2026, 3:57 PM 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 21, 2026, 3:57 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Descriptive, Post-marketing, Surveillance Safety Study of Menactra Vaccine

NCT00254995
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
62,626 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2013
U.S. locations
1
States / cities
Oakland, California
Source: ClinicalTrials.gov public record
Updated Apr 18, 2016 · Synced Sep 21, 2026, 3:57 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study of 2 Doses of Menactra®, a Meningococcal Conjugate Vaccine in Healthy Toddlers

NCT00384397
View directory record Official record
Conditions
Meningococcal Meningitis, Measles, Mumps, Rubella, Varicella
Interventions
Meningococcal Polysaccharide Diphtheria Toxoid Conjugate Vaccine, Meningococcal Polysaccharide Diphtheria Toxoid Conjugate
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
249 Days to 305 Days
Enrollment
1,128 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
39
States / cities
Montgomery, Alabama • Fayetteville, Arkansas • Jonesboro, Arkansas + 35 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2016 · Synced Sep 21, 2026, 3:57 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of an Investigational Quadrivalent Meningococcal Conjugate Vaccine Administered in Children Aged 2 to 9 Years

NCT03077438
View directory record Official record
Conditions
Meningitis, Meningococcal Meningitis, Meningococcal Infections
Interventions
Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate, Meningococcal (Groups A, C, Y and W 135) Oligosaccharide Diphtheria CRM197 Conjugate Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
2 Years to 9 Years
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017
U.S. locations
35
States / cities
Birmingham, Alabama • Dothan, Alabama • Tucson, Arizona + 31 more
Source: ClinicalTrials.gov public record
Updated Mar 27, 2022 · Synced Sep 21, 2026, 3:57 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate Safety and Immune Response of Novartis Meningococcal ACWY Vaccine In Infants

NCT00474526
View directory record Official record
Conditions
Meningitis, Meningococcal
Interventions
Meningococcal ACWY Conjugate Vaccine, DTaP-IPV-HBV, Hib, Rotavirus, Pneumococcal 7-valent Conjugate Vaccine, HAV, MMR-V, DTaP
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
2 Months to 2 Months
Enrollment
4,545 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
53
States / cities
Bessemer, Alabama • Birmingham, Alabama • Downey, California + 43 more
Source: ClinicalTrials.gov public record
Updated Mar 23, 2014 · Synced Sep 21, 2026, 3:57 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Global Phase 3 Safety Study of 120 mcg rLP2086 Vaccine in Adolescents and Young Adults Aged 10 to 25 Years

NCT01352793
View directory record Official record
Conditions
Meningitis, Meningococcal
Interventions
rLP2086 vaccine, control
Biological
Lead sponsor
Pfizer
Industry
Eligibility
10 Years to 25 Years
Enrollment
5,715 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2014
U.S. locations
39
States / cities
Huntsville, Alabama • Chandler, Arizona • Tempe, Arizona + 28 more
Source: ClinicalTrials.gov public record
Updated Mar 10, 2015 · Synced Sep 21, 2026, 3:57 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

High and Low Resource Interventions to Promote HPV Vaccines

NCT03824093
View directory record Official record
Conditions
Human Papilloma Virus, Tdap - Tetanus, Diphtheria and Acellular Pertussis Vaccination, Meningitis, Meningococcal, Communication, Satisfaction
Interventions
AFIX Only, AFIX+ Provider Communication Training
Behavioral
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
18 Years and older
Enrollment
225 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 19, 2021 · Synced Sep 21, 2026, 3:57 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study of the Safety of Menactra® Vaccine When Administered With Other Pediatric Vaccines to Healthy Toddlers

NCT00483574
View directory record Official record
Conditions
Meningococcal Meningitis, Measles, Mumps, Rubella, Varicella
Interventions
Menactra®: Meningococcal Polysaccharide Diphtheria Toxoid Conjugate, Measles-mumps-rubella-varicella vaccine, Routine paediatric vaccine - Pneumococcal conjugate (PCV), Routine paediatric vaccine - Hepatitis A
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
9 Months to 12 Months
Enrollment
1,378 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2009
U.S. locations
78
States / cities
Birmingham, Alabama • Dothan, Alabama • Pinson, Alabama + 68 more
Source: ClinicalTrials.gov public record
Updated May 15, 2016 · Synced Sep 21, 2026, 3:57 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety and Immunogenicity of GSK Meningococcal Group B Vaccine and 13-valent Pneumococcal Vaccine Administered Concomitantly With Routine Infant Vaccines to Healthy Infants

NCT03621670
View directory record Official record
Conditions
Infections, Meningococcal
Interventions
Bexsero (GSK Biologicals' Meningococcal group-B vaccine/ rMenB+OMV NZ), Prevnar13, Pediarix, Hiberix, Rotarix, M-M-R II, Varivax, Placebo (saline water), Prevnar 20
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Weeks to 12 Weeks
Enrollment
1,196 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
56
States / cities
Birmingham, Alabama • Fayetteville, Arkansas • Jonesboro, Arkansas + 47 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Sep 21, 2026, 3:57 PM EDT