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Showing 1–24 of 132 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: polyvalent pneumococcal vaccine Clear all
Active, not recruiting Phase 3 Interventional Accepts healthy volunteers

Safety, Tolerability, and Immunogenicity of VAX-31 in Adults ≥50 Years With Prior Pneumococcal Vaccination

NCT07425392
View directory record Official record
Conditions
Pneumococcal Vaccines
Interventions
31-valent pneumococcal conjugate vaccine, PCV20
Biological
Lead sponsor
Vaxcyte, Inc.
Industry
Eligibility
50 Years and older
Enrollment
752 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
30
States / cities
Chinle, Arizona • Phoenix, Arizona • Whiteriver, Arizona + 27 more
Source: ClinicalTrials.gov public record
Updated Jun 29, 2026 · Synced Sep 23, 2026, 5:35 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Mechanisms of Impaired HIV-associated B Cell and Pneumococcal Vaccine Responses

NCT02012309
View directory record Official record
Conditions
HIV, Pneumococcal Infections, Pneumococcal Vaccines
Interventions
PCV-13, PPSV-23
Biological
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 55 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2021
U.S. locations
3
States / cities
Aurora, Colorado • Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Nov 17, 2020 · Synced Sep 23, 2026, 5:35 AM EDT
Terminated Early Phase 1 Interventional Accepts healthy volunteers Results available

Pneumococcal Conjugate Vaccine in Aging Renal Transplant

NCT03802994
View directory record Official record
Conditions
Renal Transplantation, Aging
Interventions
23 valent pneumococcal polysaccharide vaccine, 13 valent conjugated pneumococcal vaccine, Peripheral blood sample
Drug · Biological · Other
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
35 Years to 75 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
2
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Apr 29, 2021 · Synced Sep 23, 2026, 5:35 AM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Pneumonia Vaccine in Aging HIV Positive Individuals

NCT02558751
View directory record Official record
Conditions
Pneumococcal Infection
Interventions
23-valent pneumococcal polysaccharide vaccine, 13-valent pneumococcal conjugate vaccine
Biological
Lead sponsor
University of Toledo Health Science Campus
Other
Eligibility
50 Years to 65 Years
Enrollment
51 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Toledo, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 23, 2015 · Synced Sep 23, 2026, 5:35 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Single Ascending Dose Study in Adults (Stage 1) and Single Ascending Dose-Finding Study (Stage 2) in Elderly Subjects With ASP3772, A Pneumococcal Vaccine

NCT03803202
View directory record Official record
Conditions
Pneumonia, Bacterial, Healthy Volunteers, Pneumococcal Disease
Interventions
ASP3772, PCV13, PPSV23
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
18 Years to 85 Years
Enrollment
630 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
26
States / cities
Banning, California • San Diego, California • San Marcos, California + 21 more
Source: ClinicalTrials.gov public record
Updated Dec 20, 2023 · Synced Sep 23, 2026, 5:35 AM 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 23, 2026, 5:35 AM EDT
Completed Phase 2 Interventional

Ibrutinib as an Immune Modulating Agent for Patients With Asymptomatic, High-risk CLL/SLL Risk Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma

NCT02518555
View directory record Official record
Conditions
Chronic Lymphocytic Leukemia, Small Lymphocytic Lymphoma
Interventions
Diphtheria Toxoid/Tetanus Toxoid/Acellular Pertussis Vaccine Adsorbed, Ibrutinib, Laboratory Biomarker Analysis, Pharmacological Study, Pneumococcal 13-valent Conjugate Vaccine, Quality-of-Life Assessment, Trivalent Influenza Vaccine
Biological · Drug · Other
Lead sponsor
Jennifer Woyach
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2026
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Apr 5, 2026 · Synced Sep 23, 2026, 5:35 AM EDT
Recruiting Phase 2 Interventional

Immunologic Response to Pneumococcal Polysaccharide Vaccine in Splenic Injury Patients

NCT02232191
View directory record Official record
Conditions
Asplenia
Interventions
Pneumovax-23
Biological
Lead sponsor
University of California, Davis
Other
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2027
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Sep 23, 2026, 5:35 AM EDT
Active, not recruiting Early Phase 1 Interventional Accepts healthy volunteers

Impact of HIV-1 and Aging on Mucosal Vaccine Responses

NCT03729778
View directory record Official record
Conditions
HIV-1-infection, Human Immunodeficiency Virus, HIV/AIDS, HIV Infections
Interventions
Prevnar-13
Biological
Lead sponsor
VA Eastern Colorado Health Care System
Federal
Eligibility
21 Years to 75 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2028
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 28, 2026 · Synced Sep 23, 2026, 5:35 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Phase IIb, Open-Label, Dose Ranging Study of 13-Valent Pneumococcal Conjugate Vaccine in Adults 55 Through 74 Years of Age Previously Vaccinated With 23-Valent Pneumococcal Polysaccharide Vaccine

NCT01654263
View directory record Official record
Conditions
Pneumococcal Infection
Interventions
Pneumococcal 13-valent Conjugate Vaccine [Diphtheria CRM197 Protein]
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
55 Years to 74 Years
Enrollment
884 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2015
U.S. locations
7
States / cities
Decatur, Georgia • Iowa City, Iowa • St Louis, Missouri + 4 more
Source: ClinicalTrials.gov public record
Updated Mar 26, 2017 · Synced Sep 23, 2026, 5:35 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers Results available

A Phase 1/Phase 2 Study of Polyvalent Pneumococcal Conjugate Vaccine (V116) in Adults (V116-001)

NCT04168190
View directory record Official record
Conditions
Pneumonia, Pneumococcal
Interventions
V116, Pneumovax™23
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
600 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
20
States / cities
Birmingham, Alabama • Mesa, Arizona • Coral Gables, Florida + 15 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2022 · Synced Sep 23, 2026, 5:35 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Immune Response & Safety of a Hepatitis A Vaccine Given Together With a Pneumococcal Vaccine in Healthy Children 15 m of Age

NCT00197002
View directory record Official record
Conditions
Hepatitis A
Interventions
GSK Biologicals 2-dose inactivated hepatitis A vaccine (Havrix), Prevnar™
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
12 Months to 13 Months
Enrollment
521 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2006
U.S. locations
18
States / cities
Centennial, Colorado • Bardstown, Kentucky • Louisville, Kentucky + 13 more
Source: ClinicalTrials.gov public record
Updated Aug 5, 2018 · Synced Sep 23, 2026, 5:35 AM EDT
Completed Early Phase 1 Interventional

Survivin Vaccine : Multiple Myeloma Autologous Hematopoietic Cell Transplant (HCT)

NCT02851056
View directory record Official record
Conditions
Multiple Myeloma
Interventions
Survivin Vaccine, Autologous Hematopoietic Cell Transplantation, Prevnar 13, Granulocyte-colony Stimulating Factor
Biological · Procedure · Drug
Lead sponsor
H. Lee Moffitt Cancer Center and Research Institute
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2018
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated Nov 13, 2022 · Synced Sep 23, 2026, 5:35 AM 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 23, 2026, 5:35 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers

Effectiveness of the Pneumococcal Polysaccharide Vaccine in Military Recruits

NCT02079701
View directory record Official record
Conditions
Pneumonia, Acute Respiratory Disease
Interventions
23-valent pneumococcal vaccine, Placebo
Biological
Lead sponsor
Naval Health Research Center
Federal
Eligibility
Not listed
Enrollment
152,723 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2007
U.S. locations
5
States / cities
San Diego, California • Great Lakes, Illinois • Fort Leonard Wood, Missouri + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 5, 2014 · Synced Sep 23, 2026, 5:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Systems Biology of PNEUMOVAX®23 and PREVNAR 13®

NCT01307449
View directory record Official record
Conditions
Pneumococcal Infection
Interventions
PNEUMOVAX, Prevnar
Biological
Lead sponsor
Emory University
Other
Eligibility
25 Years to 89 Years
Enrollment
88 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
2
States / cities
Decatur, Georgia
Source: ClinicalTrials.gov public record
Updated Oct 1, 2018 · Synced Sep 23, 2026, 5:35 AM EDT
Completed Phase 2 Interventional Results available

Allogeneic GM-CSF Vaccine and Lenalidomide in Treating Myeloma Patients With Near Complete Remission

NCT01349569
View directory record Official record
Conditions
Multiple Myeloma
Interventions
Lenalidomide, Allogeneic Myeloma Vaccine, Prevnar-13
Drug · Biological
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 14, 2019 · Synced Sep 23, 2026, 5:35 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Pneumococcal Vaccination in Patients With Inflammatory Bowel Disease

NCT00829595
View directory record Official record
Conditions
Inflammatory Bowel Disease, Crohn Disease, Ulcerative Colitis
Interventions
23-valent polysaccharide pneumococcal vaccine (Pneumovax TM)
Biological
Lead sponsor
Cedars-Sinai Medical Center
Other
Eligibility
18 Years and older
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2007
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jan 26, 2009 · Synced Sep 23, 2026, 5:35 AM EDT
Completed Phase 4 Interventional

Humoral Determinants of Immunity to Pneumococcal Infection

NCT00304382
View directory record Official record
Conditions
Pneumonia, Pneumococcal Infections, Infections, Streptococcus Pneumoniae
Interventions
Prevnar, Pneumovax
Biological
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
Not listed
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Sep 4, 2017 · Synced Sep 23, 2026, 5:35 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Consistency & Immunogenicity Study of 3 Lots of GSK's Hib Conjugate Vaccine Versus ActHIB & Pentacel in Healthy Infants

NCT01000974
View directory record Official record
Conditions
Haemophilus Influenzae Type b
Interventions
GSK Biologicals' Haemophilus influenzae type b vaccine (GSK 208108), ActHIB™, Pentacel™, Pediarix™, Prevnar 13™, Rotarix™, Engerix™-B, Infanrix™
Biological
Lead sponsor
GlaxoSmithKline
Industry
Eligibility
6 Weeks to 12 Weeks
Enrollment
4,003 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2013
U.S. locations
63
States / cities
Dothan, Alabama • Benton, Arkansas • Fayetteville, Arkansas + 59 more
Source: ClinicalTrials.gov public record
Updated Jul 11, 2018 · Synced Sep 23, 2026, 5:35 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Trial to Evaluate the Safety and Immunogenicity of a Multivalent Pneumococcal Conjugate Vaccine in Adults 60 Through 64 Years of Age

NCT03313037
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
Multivalent, Prevnar 13, PPSV23, Saline
Biological · Other
Lead sponsor
Pfizer
Industry
Eligibility
60 Years to 64 Years
Enrollment
444 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
14
States / cities
Anaheim, California • Coral Gables, Florida • DeLand, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Dec 25, 2019 · Synced Sep 23, 2026, 5:35 AM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety, Tolerability, and Immunogenicity of V116 in Pneumococcal Vaccine-experienced Adults (V116-006, STRIDE-6)

NCT05420961
View directory record Official record
Conditions
Pneumonia, Pneumococcal
Interventions
V116, PCV15, PPSV23
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
50 Years and older
Enrollment
717 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
15
States / cities
Birmingham, Alabama • Glendale, Arizona • Tempe, Arizona + 12 more
Source: ClinicalTrials.gov public record
Updated Oct 25, 2024 · Synced Sep 23, 2026, 5:35 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Trial to Evaluate the Safety and Immunogenicity of Multivalent Pneumococcal Vaccines in Japanese Adults 18 to 49 Years of Age

NCT03642847
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
Prevnar 13, multivalent pneumococcal conjugate formulation 1, multivalent pneumococcal conjugate formulation 2
Biological
Lead sponsor
Pfizer
Industry
Eligibility
18 Years to 49 Years
Enrollment
104 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
4
States / cities
Garden Grove, California • Long Beach, California • Honolulu, Hawaii + 1 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2019 · Synced Sep 23, 2026, 5:35 AM EDT
Recruiting Phase 4 Interventional

Assessment of Metformin for Restoration of Immune Homeostasis in HIV+ and HIV- Individuals With a History of Injection Drug Use

NCT06829238
View directory record Official record
Conditions
Systemic Inflammation, Immune Dysregulation, Injection Drug Use, HIV
Interventions
Metformin, Placebo, Jynneos, Capvaxvie
Drug · Biological
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 64 Years
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Apr 21, 2026 · Synced Sep 23, 2026, 5:35 AM EDT