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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Pneumococcal Immunisation Clear all
Completed Not applicable Interventional

Immune System Function Following Vaccination in HIV Infected Children Taking Anti-HIV Drugs

NCT00257127
View directory record Official record
Conditions
HIV Infections
Interventions
Pneumococcal 7-valent conjugate vaccine, Pneumococcal polysaccharide vaccine, Hepatitis B vaccine, Measles, mumps, and rubella virus vaccine, live
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
6 Years to 23 Years
Enrollment
101 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006
U.S. locations
24
States / cities
Birmingham, Alabama • Alhambra, California • Long Beach, California + 17 more
Source: ClinicalTrials.gov public record
Updated Oct 31, 2021 · Synced Sep 15, 2026, 7:54 PM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Study of Mixed Vaccination Schedules With a 21-valent Pneumococcal Conjugate Vaccine and a 20-valent Pneumococcal Conjugate Vaccine in Healthy Infants From Approximately 2 Months of Age

NCT06824181
View directory record Official record
Conditions
Pneumococcal Immunization
Interventions
PCV21 vaccine, Prevnar 20 vaccine, M-M-R II vaccine, Rotarix, RotaTeq, Vaxelis vaccine, Varivax, Priorix, VAQTA, Havrix
Biological
Lead sponsor
Sanofi
Industry
Eligibility
42 Days to 89 Days
Enrollment
580 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
17
States / cities
Los Angeles, California • Hollywood, Florida • Miami, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Sep 15, 2026, 7:54 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Immune Response to Pneumococcal Vaccination in HIV Infected Individuals

NCT02515240
View directory record Official record
Conditions
Pneumococcal Infection
Interventions
PPV23
Biological
Lead sponsor
University of Toledo Health Science Campus
Other
Eligibility
19 Years to 65 Years
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2015
U.S. locations
1
States / cities
Toledo, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 6, 2015 · Synced Sep 15, 2026, 7:54 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Study of a Pneumococcal Conjugate Vaccine When Administered Concomitantly With Routine Pediatric Vaccines in Healthy Toddlers and Infants

NCT04398706
View directory record Official record
Conditions
Pneumococcal Immunisation, Diphtheria Immunisation, Tetanus Immunisation, Pertussis Immunisation, Hepatitis B Immunisation, Haemophilus Influenzae Type b Immunisation, Polio Immunisation, Measles Immunisation, Rubella Immunisation, Varicella Immunisation, Mumps Immunisation
Interventions
Pneumococcal Conjugate Vaccine formulation 1, Pneumococcal Conjugate Vaccine formulation 2, Pneumococcal Conjugate Vaccine formulation 3, Varicella Virus Vaccine Live, Measles, Mumps, and Rubella Virus Vaccine Live, Pneumococcal 13-valent Conjugate Vaccine [Diphtheria CRM197 Protein], Diphtheria and Tetanus Toxoids and Acellular Pertussis Adsorbed, Inactivated Poliovirus and Haemophilus b Conjugate (Tetanus Toxoid Conjugate), Rotavirus Vaccine, Live, Oral, Pentavalent, Hepatitis B Vaccine* [Recombinant] *as applicable
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
42 Days to 15 Months
Enrollment
852 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
49
States / cities
Jonesboro, Arkansas • Bellflower, California • Huntington Park, California + 41 more
Source: ClinicalTrials.gov public record
Updated Sep 7, 2025 · Synced Sep 15, 2026, 7:54 PM EDT
Completed Phase 1Phase 2 Interventional

Maternal Immunization To Prevent Infant Otitis Media

NCT00617682
View directory record Official record
Conditions
Otitis Media
Interventions
PNCRM9, Placebo comparator
Biological
Lead sponsor
National Institute on Deafness and Other Communication Disorders (NIDCD)
NIH
Eligibility
18 Years and older · Female only
Enrollment
153 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2004
U.S. locations
2
States / cities
Bloomington, Minnesota • Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Feb 17, 2008 · Synced Sep 15, 2026, 7:54 PM EDT
Completed Phase 2 Interventional Results available

Vaccination Response in Tecfidera-Treated Versus Interferon-Treated Participants With Relapsing Forms of Multiple Sclerosis.

NCT02097849
View directory record Official record
Conditions
Relapsing Forms of Multiple Sclerosis
Interventions
dimethyl fumarate, tetanus diphtheria toxoids vaccine, 23-valent pneumococcal polysaccharide vaccine, meningococcal polysaccharide diphtheria conjugate vaccine (quadrivalent), non-pegylated interferon
Drug · Biological
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 55 Years
Enrollment
71 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
14
States / cities
Gilbert, Arizona • Thornton, Colorado • Fort Lauderdale, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Jun 1, 2017 · Synced Sep 15, 2026, 7:54 PM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

Study to Learn About Safety, Tolerability, and Immune Response of a Catch-up Pneumococcal Vaccine in Children and Adolescents

NCT07660198
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
PG4, 20-valent pneumococcal conjugate vaccine (20vPnC)
Biological
Lead sponsor
Pfizer
Industry
Eligibility
15 Months to 17 Years
Enrollment
1,200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
57
States / cities
Birmingham, Alabama • Guntersville, Alabama • Fair Oaks, California + 37 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2026 · Synced Sep 15, 2026, 7:54 PM EDT
Active, not recruiting Phase 2 Interventional

Optimizing Cellular and Humoral Immunity by Vaccinating With PCV13 Before and After CAR-T Therapy

NCT04745559
View directory record Official record
Conditions
Diffuse Large-Cell Lymphoma, Primary Mediastinal Large B-Cell Lymphoma (PMBCL), Transformed Follicular Lymphoma (TFL), High-grade B-cell Lymphoma (HGBCL), Follicular Lymphoma
Interventions
Pneumococcal conjugate vaccine (PCV13), CD19 targeted CAR T Cell Therapy
Biological
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Jan 28, 2026 · Synced Sep 15, 2026, 7:54 PM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Study of the Safety and Immunogenicity of Catch-up Vaccination With a 21-valent Pneumococcal Conjugate Vaccine (PCV21) in Healthy Infants, Toddlers, Children, and Adolescents

NCT06838000
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
PCV21, 20vPCV
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
7 Months to 17 Years
Enrollment
1,268 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
17
States / cities
Paramount, California • Doral, Florida • Hialeah, Florida + 13 more
Source: ClinicalTrials.gov public record
Updated Oct 5, 2025 · Synced Sep 15, 2026, 7:54 PM EDT
Active, not recruiting No phase listed Observational

A Study to Learn How Effective is PCV20 to Help Stop Adults Who Have a Higher Chance of Getting Pneumonia

NCT07251465
View directory record Official record
Conditions
Community-Acquired Pneumonia (CAP)
Interventions
Receipt of PCV20
Biological
Lead sponsor
Pfizer
Industry
Eligibility
19 Years and older
Enrollment
846,279 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 15, 2026, 7:54 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Fever After Simultaneous Versus Sequential Vaccination in Young Children

NCT03165981
View directory record Official record
Conditions
Fever After Vaccination, Fever, Febrile Seizure
Interventions
PCV13, DTaP, IIV
Biological
Lead sponsor
Duke University
Other
Eligibility
12 Months to 16 Months
Enrollment
221 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
3
States / cities
Oakland, California • Atlanta, Georgia • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Nov 17, 2024 · Synced Sep 15, 2026, 7:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pharmacist Impact on Pneumococcal Polysaccharide Vaccination Rates in Patients With Diabetes in a Supermarket Pharmacy Chain

NCT03851978
View directory record Official record
Conditions
Pneumococcal Pneumonia
Interventions
Pharmacist Vaccine Education
Behavioral
Lead sponsor
Virginia Commonwealth University
Other
Eligibility
19 Years to 64 Years
Enrollment
431 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
4
States / cities
Midlothian, Virginia • Richmond, Virginia
Source: ClinicalTrials.gov public record
Updated Mar 14, 2019 · Synced Sep 15, 2026, 7:54 PM EDT
Completed Not applicable Interventional

Pneumonia Vaccine Education Intervention Study

NCT06136832
View directory record Official record
Conditions
Pneumonia, Pneumococcal, Vaccine
Interventions
Pneumococcal Vaccine Education
Behavioral
Lead sponsor
Geisinger Clinic
Other
Eligibility
18 Years to 64 Years
Enrollment
141 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Wilkes-Barre, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 7, 2025 · Synced Sep 15, 2026, 7:54 PM EDT
Completed Not applicable Interventional Results available

System Alignment for VaccinE Delivery (SAVED): Improving Rates of Influenza and Pneumococcal Vaccination Through Patient Outreach, Improved Medical Record Accuracy and Targeted Physician Alerts

NCT02266277
View directory record Official record
Conditions
Influenza, Infections, Pneumococcal
Interventions
Arm 1: E-portal message with IVR call, Arm 2: E-portal message with no IVR call, Arm 3: No e-portal message with IVR call, Arm 5: IVR call
Other
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years and older
Enrollment
30,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Worcester, Massachusetts
Source: ClinicalTrials.gov public record
Updated May 30, 2017 · Synced Sep 15, 2026, 7:54 PM EDT
Completed Not applicable Interventional Results available

Exploration of Immune Response to Early PCV13 Vaccination in Conjunction With Autologous Transplant

NCT01852591
View directory record Official record
Conditions
Multiple Myeloma
Interventions
PCV 13
Biological
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
8 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Feb 1, 2017 · Synced Sep 15, 2026, 7:54 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Racial Disparities in Pneumococcal Vaccination in Managed Care

NCT00229762
View directory record Official record
Conditions
Pneumococcal Disease Prevention
Interventions
phone call from nurses - informational only
Behavioral
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
18 Years and older
Enrollment
7,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Sep 29, 2005 · Synced Sep 15, 2026, 7:54 PM EDT
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Study of a 4-Dose Regimen of a 21-valent Pneumococcal Conjugate Vaccine in Healthy Infants From Approximately 2 Months of Age

NCT06736041
View directory record Official record
Conditions
Pneumococcal Immunization
Interventions
PCV21 vaccine, Prevnar 20 vaccine, M-M-R II vaccine, RotaTeq, Vaxelis vaccine, Varivax, Hexaxim Vaccine
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
42 Days to 89 Days
Enrollment
1,714 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2027
U.S. locations
66
States / cities
Glendale, Arizona • Tucson, Arizona • Fayetteville, Arkansas + 48 more
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Sep 15, 2026, 7:54 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Study of the Immune Response After Vaccination in Multiple Myeloma Patients

NCT02294487
View directory record Official record
Conditions
Multiple Myeloma, Myeloma, Multiple, Myeloma-Multiple
Interventions
Not listed
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
50 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Milwaukee, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 2, 2024 · Synced Sep 15, 2026, 7:54 PM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Trial of Antibody Responses by Vitamin Supplementation

NCT03859687
View directory record Official record
Conditions
Healthy Participants
Interventions
Vitamin A supplementation, No vitamin A supplementation
Biological
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
1 Year to 4 Years
Enrollment
22 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 4, 2025 · Synced Sep 15, 2026, 7:54 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Safety and Immunogenicity of a Pneumococcal Conjugate Vaccine Candidate in Healthy Adults (19-49 Years)

NCT06698198
View directory record Official record
Conditions
Pneumococcal Immunization
Interventions
Pneumococcal Conjugate Vaccine, Prevnar 13®
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
19 Years to 49 Years
Enrollment
175 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
2
States / cities
Metairie, Louisiana • Newark, New Jersey
Source: ClinicalTrials.gov public record
Updated Nov 19, 2024 · Synced Sep 15, 2026, 7:54 PM EDT
Completed Phase 4 Interventional Results available

A Study to Evaluate the Effect of Belimumab on Vaccine Responses in Subjects With Systemic Lupus Erythematosus (SLE)

NCT01597492
View directory record Official record
Conditions
Systemic Lupus Erythematosus
Interventions
Belimumab plus Early Vaccination, Belimumab plus Late Vaccination
Biological
Lead sponsor
Human Genome Sciences Inc., a GSK Company
Industry
Eligibility
18 Years and older
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
15
States / cities
Birmingham, Alabama • Paradise Valley, Arizona • Shreveport, Louisiana + 11 more
Source: ClinicalTrials.gov public record
Updated Aug 15, 2018 · Synced Sep 15, 2026, 7:54 PM EDT
Completed Phase 1Phase 2 Interventional

Chemotherapy and Peripheral Stem Cell Transplantation Followed By Immunotherapy in Treating Patients With Multiple Myeloma

NCT00046852
View directory record Official record
Conditions
Infection, Multiple Myeloma and Plasma Cell Neoplasm
Interventions
filgrastim, pneumococcal polyvalent vaccine, therapeutic autologous lymphocytes, therapeutic tumor infiltrating lymphocytes, carmustine, cyclophosphamide, melphalan, bone marrow ablation with stem cell support, peripheral blood stem cell transplantation
Biological · Drug · Procedure
Lead sponsor
University of Maryland, Baltimore
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
2
States / cities
Baltimore, Maryland • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 3, 2019 · Synced Sep 15, 2026, 7:54 PM EDT
Completed No phase listed Observational

Higher Infused Lymphocyte Counts Improve Antibody Response to Immunization After Autologous Stem Cell Transplantation

NCT00889278
View directory record Official record
Conditions
Lymphoma
Interventions
Not listed
Lead sponsor
Dartmouth-Hitchcock Medical Center
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2016
U.S. locations
1
States / cities
Lebanon, New Hampshire
Source: ClinicalTrials.gov public record
Updated May 21, 2018 · Synced Sep 15, 2026, 7:54 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study Comparing 13-valent Pneumococcal Conjugate Vaccine With 7-valent Pneumococcal Conjugate Vaccine

NCT00373958
View directory record Official record
Conditions
Vaccines, Pneumococcal
Interventions
13 valent pneumococcal conjugate vaccine, 7vPnc pneumococcal conjugate vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
42 Days to 98 Days
Enrollment
666 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
37
States / cities
Fayetteville, Arkansas • Jonesboro, Arkansas • Little Rock, Arkansas + 31 more
Source: ClinicalTrials.gov public record
Updated Feb 20, 2013 · Synced Sep 15, 2026, 7:54 PM EDT