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ClinicalTrials.gov public records Last synced Oct 9, 2026, 6:16 AM EDT

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Showing 1–24 of 29 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Meningococcal (Groups A, C, Y and W-135) Polysaccharide Diphtheria Toxoid Conjugate Vaccine Clear all
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 19, 2016 · Synced Oct 9, 2026, 6:16 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 18, 2014 · Synced Oct 9, 2026, 6:16 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study of a Quadrivalent Meningococcal Tetanus Protein Conjugate Vaccine in Infants and Toddlers

NCT01049035
View directory record Official record
Conditions
Meningitis, Meningococcal Infection
Interventions
Quadrivalent Meningococcal Polysaccharide (A, C, Y, and W-135) Tetanus Protein Conjugate, Diphtheria and Tetanus Toxoids and Acellular Pertussis Adsorbed, Inactivated Poliovirus and Haemophilus B Conjugate (Tetanus Toxoid Conjugate) Vaccine Combined (DTaP-IPV/Hib combined), M-M-RII-Measles, Mumps, and Rubella Virus Vaccine Live, Varicella Virus Vaccine Live, Pneumococcal 7-valent Conjugate Vaccine (Diphtheria CRM197 Protein), Pneumococcal 13-valent Conjugate Vaccine (Diphtheria CRM197 Protein), Rotavirus Vaccine, Hepatitis B Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
42 Days to 365 Days
Enrollment
580 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
25
States / cities
Birmingham, Alabama • Tuscaloosa, Alabama • Jonesboro, Arkansas + 20 more
Source: ClinicalTrials.gov public record
Updated Mar 28, 2022 · Synced Oct 9, 2026, 6:16 AM 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 14, 2014 · Synced Oct 9, 2026, 6:16 AM 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 28, 2022 · Synced Oct 9, 2026, 6:16 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 14, 2013 · Synced Oct 9, 2026, 6:16 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety of a Quadrivalent Meningococcal Conjugate Vaccine Administered Concomitantly With Routine Pediatric Vaccines in Healthy Infants and Toddlers

NCT03673462
View directory record Official record
Conditions
Healthy Volunteers (Meningococcal Infection)
Interventions
Meningococcal polysaccharide (serogroups A,C,Y and W) tetanus toxoid Conjugate vaccine (MenACYW Conjugate vaccine), Meningococcal (Groups A, C, Y and W 135) Oligosaccharide Diphtheria CRM197 Conjugate Vaccine (MENVEO®), Diphtheria, Tetanus, Acellular Pertussis, Poliovirus and Haemophilus b Vaccine, Pneumococcal 13-valent Conjugate Vaccine, Rotavirus Vaccine, Hepatitis B Vaccine, Measles, Mumps, and Rubella Virus Vaccine, Varicella Virus Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
42 Days to 89 Days
Enrollment
2,797 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
67
States / cities
Birmingham, Alabama • Dothan, Alabama • Phoenix, Arizona + 56 more
Source: ClinicalTrials.gov public record
Updated Dec 14, 2023 · Synced Oct 9, 2026, 6:16 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Persistence of Bactericidal Antibodies in Adults Who Received a Booster Dose of Menactra® Approximately 4 Years Earlier

NCT02633787
View directory record Official record
Conditions
Meningitis, Meningococcal Meningitis, Meningococcal Infections
Interventions
Meningococcal (Groups A, C, Y, and W-135) Polysaccharide Diphtheria Toxoid Conjugate Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
18 Years and older
Enrollment
110 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
4
States / cities
Bardstown, Kentucky • Woburn, Massachusetts • Niles, Michigan + 1 more
Source: ClinicalTrials.gov public record
Updated Nov 7, 2016 · Synced Oct 9, 2026, 6:16 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Immunogenicity and Safety of Group A, C, Y & W-135 Meningococcal Polysaccharide Diphtheria Toxoid Conjugate Vaccine

NCT01897402
View directory record Official record
Conditions
Meningococcal Meningitis, Meningococcal Infections
Interventions
Test Vaccine, US Licensed Vaccine
Biological
Lead sponsor
JN-International Medical Corporation
Industry
Eligibility
18 Years to 55 Years
Enrollment
525 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
3
States / cities
Greenbelt, Maryland • Pasadena, Maryland • Towson, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 23, 2015 · Synced Oct 9, 2026, 6:16 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immunogenicity and Safety of Pediatric Vaccines When Administered With Menactra® in Healthy Toddlers

NCT00422292
View directory record Official record
Conditions
Meningococcal Meningitis, Measles, Mumps, Rubella, Varicella
Interventions
Meningococcal Polysaccharide Diphtheria Conjugate Vaccine, Measles, Mumps, Rubella and Varicella
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
9 Months to 12 Months
Enrollment
1,664 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
87
States / cities
Tuscaloosa, Alabama • Tucson, Arizona • Jonesboro, Arkansas + 74 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Oct 9, 2026, 6:16 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immunogenicity and Safety of a Booster Dose of an Investigational Quadrivalent Meningococcal Conjugate Vaccine

NCT02752906
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
15 Years and older
Enrollment
810 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016
U.S. locations
29
States / cities
Birmingham, Alabama • Dothan, Alabama • Mesa, Arizona + 24 more
Source: ClinicalTrials.gov public record
Updated Apr 5, 2022 · Synced Oct 9, 2026, 6:16 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study of Menactra® in Healthy Subjects at 9 Months and Concomitantly With Pentacel® at 15 to 18 Months of Age

NCT01659996
View directory record Official record
Conditions
Meningitis, Meningococcal Infection, Diphtheria, Tetanus, Pertussis, Haemophilus Influenzae Serotype b (Hib)
Interventions
Meningococcal polysaccharide diphtheria toxoid conjugate, Meningococcal polysaccharide diphtheria toxoid conjugate + Diphtheria and Tetanus Toxoids and Acellular Pertussis Adsorbed, Diphtheria and Tetanus Toxoids and Acellular Pertussis Adsorbed, Inactivated Poliovirus and Haemophilus b Conjugate
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
9 Months to 18 Months
Enrollment
1,394 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
56
States / cities
Birmingham, Alabama • Pinson, Alabama • Tucson, Arizona + 50 more
Source: ClinicalTrials.gov public record
Updated Dec 15, 2015 · Synced Oct 9, 2026, 6:16 AM 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 14, 2014 · Synced Oct 9, 2026, 6:16 AM 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 16, 2016 · Synced Oct 9, 2026, 6:16 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Antibody Persistence and Booster Dose Response in Subjects Who Received Menactra® Three Years Earlier in Study MTA26

NCT00700713
View directory record Official record
Conditions
Meningitis, Meningococcemia
Interventions
Meningococcal polysaccharide diphtheria toxoid conjugate
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
3 Years to 6 Years
Enrollment
181 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
13
States / cities
Marietta, Georgia • Woodstock, Georgia • Bardstown, Kentucky + 9 more
Source: ClinicalTrials.gov public record
Updated Feb 15, 2016 · Synced Oct 9, 2026, 6:16 AM 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 14, 2016 · Synced Oct 9, 2026, 6:16 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Persistence of Antibodies in Adolescents and Adults 15 to 23 Years Who Received One Dose of Menactra® or Menomune®

NCT00269477
View directory record Official record
Conditions
Meningitis, Meningococcal Infection
Interventions
Meningococcal Polysaccharide Diphtheria Toxoid Conjugate
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
15 Years to 23 Years
Enrollment
145 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
8
States / cities
Atlanta, Georgia • Marietta, Georgia • Woburn, Massachusetts + 5 more
Source: ClinicalTrials.gov public record
Updated Apr 14, 2016 · Synced Oct 9, 2026, 6:16 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Persistence of Antibodies in Children Aged 7 to 15 Years Who Previously Received One Dose of Menactra® or Menomune®

NCT00258856
View directory record Official record
Conditions
Meningitis, Meningococcal Infection
Interventions
Polysaccharide Diphtheria Conjugate Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
7 Years to 15 Years
Enrollment
234 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
11
States / cities
Jonesboro, Arkansas • Little Rock, Arkansas • Marietta, Georgia + 8 more
Source: ClinicalTrials.gov public record
Updated Feb 14, 2014 · Synced Oct 9, 2026, 6:16 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 4, 2022 · Synced Oct 9, 2026, 6:16 AM 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 24, 2011 · Synced Oct 9, 2026, 6:16 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

Exploratory Trial to Evaluate the Safety and Immunogenicity of Menactra® and Menomune® Vaccines in Subjects ≥ 56 Years

NCT00874549
View directory record Official record
Conditions
Meningococcal Infections, Meningococcal Meningitis
Interventions
Menomune®: A, C, Y, W-135 Meningococcal Polysaccharide, Menactra®: Polysaccharide Diphtheria Toxoid Conjugate
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
56 Years and older
Enrollment
216 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
6
States / cities
Scottsdale, Arizona • Bardstown, Kentucky • Albuquerque, New Mexico + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 20, 2013 · Synced Oct 9, 2026, 6:16 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 12, 2015 · Synced Oct 9, 2026, 6:16 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 14, 2016 · Synced Oct 9, 2026, 6:16 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 5, 2022 · Synced Oct 9, 2026, 6:16 AM EDT