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Showing 1–24 of 102 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Meningococcal Infections Clear all
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 5, 2026, 1:30 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

US-licensed Combined Vaccine Against Tetanus & Diphtheria, Given With US-licensed Vaccine Against Meningococcal Disease

NCT00282295
View directory record Official record
Conditions
Acellular Pertussis, Tetanus, Diphtheria
Interventions
Boostrix®, Menactra™
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
11 Years to 18 Years
Enrollment
1,344 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006
U.S. locations
24
States / cities
Chandler, Arizona • Little Rock, Arkansas • Fountain Valley, California + 18 more
Source: ClinicalTrials.gov public record
Updated Aug 16, 2018 · Synced Sep 5, 2026, 1:30 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 5, 2026, 1:30 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Trial to Assess Immunogenicity and Safety of GlaxoSmithKline (GSK) Biologicals' Meningococcal ABCWY Vaccine as Compared to Meningococcal B Vaccine in Adolescents

NCT02212457
View directory record Official record
Conditions
Infections, Meningococcal
Interventions
Bexsero, Saline Placebo, Havrix, MenABCWY
Biological · Other
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
10 Years to 18 Years
Enrollment
1,063 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
13
States / cities
Jonesboro, Arkansas • Hialeah, Florida • Melbourne, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2019 · Synced Sep 5, 2026, 1:30 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Safety of MenACWY-CRM Vaccination in Adolescents

NCT01452464
View directory record Official record
Conditions
Meningococcal Disease
Interventions
MenACWY-CRM
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
11 Years to 21 Years
Enrollment
55,397 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2015
U.S. locations
3
States / cities
Riverside, California • San Diego, California • Valley Annex, 16994 E. Valley Blvd., Fontana, California
Source: ClinicalTrials.gov public record
Updated Feb 25, 2015 · Synced Sep 5, 2026, 1:30 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 27, 2022 · Synced Sep 5, 2026, 1:30 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 13, 2016 · Synced Sep 5, 2026, 1:30 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 5, 2026, 1:30 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 5, 2026, 1:30 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 19, 2013 · Synced Sep 5, 2026, 1:30 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Safety of and Immune Response to a Meningitis Vaccine in HIV-Infected Children and Youth

NCT00459316
View directory record Official record
Conditions
HIV Infections, Meningitis
Interventions
Quadrivalent meningococcal conjugate vaccine
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Years to 24 Years
Enrollment
384 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2013
U.S. locations
35
States / cities
Alhambra, California • Long Beach, California • Los Angeles, California + 25 more
Source: ClinicalTrials.gov public record
Updated Nov 2, 2021 · Synced Sep 5, 2026, 1:30 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study of a Tetravalent Meningococcal Diphtheria Toxoid Conjugate Vaccine in Toddlers 9 to 18 Months of Age

NCT00643916
View directory record Official record
Conditions
Meningitis, Meningococcal Infection
Interventions
Meningococcal Polysaccharide Diphtheria Protein Conjugate (Menactra®), A/C/Y/W-135, Meningococcal Polysaccharide Vaccine (Menomune®)
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
9 Months to 5 Years
Enrollment
378 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2007
U.S. locations
14
States / cities
Little Rock, Arkansas • Norwich, Connecticut • Atlanta, Georgia + 11 more
Source: ClinicalTrials.gov public record
Updated Feb 13, 2014 · Synced Sep 5, 2026, 1:30 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study To Describe The Safety, Tolerability, And Immunogenicity Of Bivalent Rlp2086 Vaccine In Laboratory Workers ≥18 To ≤65 Years Of Age

NCT01768117
View directory record Official record
Conditions
Meningitis, Meningococcal, Serogroup B
Interventions
rLP2086
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 65 Years
Enrollment
13 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Hackensack, New Jersey
Source: ClinicalTrials.gov public record
Updated Dec 19, 2018 · Synced Sep 5, 2026, 1:30 AM EDT
Completed No phase listed Observational Results available

Meningococcal Quadrivalent CRM-197 Conjugate Vaccine Infant Study

NCT02287688
View directory record Official record
Conditions
Meningococcal Disease, Infections, Meningococcal
Interventions
Meningococcal quadrivalent CRM-197 conjugate vaccine
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
2 Months to 23 Months
Enrollment
144 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Pasadena, California
Source: ClinicalTrials.gov public record
Updated Oct 20, 2019 · Synced Sep 5, 2026, 1:30 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Mucosal Immunity Against Neisseria Gonorrhoeae After 4CMenB Vaccination

NCT04722003
View directory record Official record
Conditions
Gonorrhoea
Interventions
Meningococcal Group B Vaccine, Placebo
Biological · Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 49 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Nov 4, 2024 · Synced Sep 5, 2026, 1:30 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 5, 2026, 1:30 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety of Hib-MenCY-TT Vaccine Versus Licensed Hib Conjugate Vaccine, Given at 2, 4, 6 and 12 to 15 Months of Age

NCT00345579
View directory record Official record
Conditions
Haemophilus Influenzae Type b, Neisseria Meningitidis
Interventions
GSK Biologicals' Haemophilus influenzae type b and Neisseria meningitidis serogroups C and Y-tetanus toxoid conjugate vaccine combined 792014, ActHIB, Pediarix/Infanrix Penta
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Weeks to 12 Weeks
Enrollment
4,432 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
61
States / cities
Birmingham, Alabama • Benton, Arkansas • Fayetteville, Arkansas + 51 more
Source: ClinicalTrials.gov public record
Updated Dec 15, 2016 · Synced Sep 5, 2026, 1:30 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immunogenicity, Safety and Reactogenicity Study of GlaxoSmithKline (GSK) Biologicals' Hib-MenCY-TT (MenHibrix®) Vaccine Compared to Merck & Co, Inc. PedvaxHIB Vaccine in Healthy Infants and Toddlers 12 to 15 Months of Age

NCT01978093
View directory record Official record
Conditions
Neisseria Meningitidis, Haemophilus Influenzae Type b
Interventions
Hib-MenCY-TT (MenHibrix®), Pediarix®, Rotarix®, Prevnar 13®, PedvaxHIB®, Havrix®
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Weeks to 12 Weeks
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
26
States / cities
Birmingham, Alabama • Fayetteville, Arkansas • Jonesboro, Arkansas + 23 more
Source: ClinicalTrials.gov public record
Updated Sep 13, 2018 · Synced Sep 5, 2026, 1:30 AM EDT
Completed Phase 1 Interventional Results available

Study Evaluating Safety And Tolerability Of Meningococcal B Rlp2086 Vaccine In Healthy Adults

NCT00879814
View directory record Official record
Conditions
Meningitis, Meningococcal
Interventions
rLP2086 vaccine or control
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 40 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2012
U.S. locations
1
States / cities
South Miami, Florida
Source: ClinicalTrials.gov public record
Updated Aug 5, 2015 · Synced Sep 5, 2026, 1:30 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Persistence of Bactericidal Antibodies in Adolescents and Adults Who Had Received a Single Dose of Menactra® Vaccine

NCT00862277
View directory record Official record
Conditions
Meningococcal Infections, Meningitis
Interventions
Menactra®, Menomune®
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
14 Years to 27 Years
Enrollment
763 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2009
U.S. locations
20
States / cities
Little Rock, Arkansas • Fountain Valley, California • Marietta, Georgia + 15 more
Source: ClinicalTrials.gov public record
Updated Apr 13, 2016 · Synced Sep 5, 2026, 1:30 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Effectiveness of GlaxoSmithKline Biologicals S.A's Meningococcal Group B and Combined ABCWY Vaccines in Healthy Adolescents and Young Adults

NCT04502693
View directory record Official record
Conditions
Infections, Meningococcal
Interventions
rMenB+OMV NZ vaccine, Meningococcal Groups A, C, W and Y Conjugate Vaccine (MenACWY), Placebo, MenABCWY-1, MenABCWY-2, MenABCWY-3
Combination Product · Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
10 Years to 25 Years
Enrollment
3,657 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
64
States / cities
Chandler, Arizona • Glendale, Arizona • Jonesboro, Arkansas + 51 more
Source: ClinicalTrials.gov public record
Updated Mar 4, 2024 · Synced Sep 5, 2026, 1:30 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Persistence and Immune Response to a Booster Dose of MenACWY

NCT01018732
View directory record Official record
Conditions
Meningococcal Disease, Meningococcal Meningitis
Interventions
Novartis Meningococcal (MenACWY-CRM) vaccine
Biological
Lead sponsor
Novartis Vaccines
Industry
Eligibility
16 Years to 23 Years
Enrollment
155 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
3
States / cities
Rochester, Minnesota • Pittsburgh, Pennsylvania • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 14, 2015 · Synced Sep 5, 2026, 1:30 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 14, 2016 · Synced Sep 5, 2026, 1:30 AM EDT
Completed No phase listed Observational Results available

A Study to Learn About How Trumenba Vaccine Shots Work Against Gonorrhea Infection in Teenagers and Young Adults in the United States.

NCT05873751
View directory record Official record
Conditions
Gonorrhea, Chlamydia, Meningococcal Vaccines
Interventions
Trumenba Vaccine, MenACWY Vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
15 Years to 30 Years
Enrollment
1,307,378 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 16, 2025 · Synced Sep 5, 2026, 1:30 AM EDT