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ClinicalTrials.gov public records Last synced Oct 10, 2026, 1:32 PM EDT

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Showing 25–48 of 63 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Pneumococcal polysaccharide vaccine 23 valent Clear all
Completed Phase 1 Interventional

A Double-Blind Placebo-Controlled Trial of the Safety and Immunogenicity of a Seven Valent Pneumococcal Conjugate Vaccine in Presumed HIV-Infected Infants

NCT00000829
View directory record Official record
Conditions
HIV Infections, Pneumococcal Infections
Interventions
Pneumococcal Vaccine, Polyvalent (23-valent), Pneumococcal Conjugate Vaccine, Heptavalent, Placebo
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Months to 6 Months
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 1999
U.S. locations
31
States / cities
Los Angeles, California • Oakland, California • San Diego, California + 21 more
Source: ClinicalTrials.gov public record
Updated Oct 28, 2021 · Synced Oct 10, 2026, 1:32 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Prospective Trial of Vaccine Responses Against Pneumococcus and Influenza in Adult Cancer Patients 65 Years of Age and Older

NCT00741039
View directory record Official record
Conditions
Breast Cancer, Lung Cancer, Prostate Cancer
Interventions
inactivated influenza vaccine and the 23- valent pneumococcal vaccine, inactivated influenza vaccine and the PPV23 vaccine (Pneumovax)
Biological
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
65 Years and older
Enrollment
126 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Nov 20, 2015 · Synced Oct 10, 2026, 1:32 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Safety, Tolerability, and Immunogenicity of V110 or V114 Co-administered With a Booster Dose of mRNA-1273 in Healthy Adults (V110-911)

NCT05158140
View directory record Official record
Conditions
Pneumococcal Infection
Interventions
V110, V114, mRNA-1273, Placebo for V110, Placebo for V114
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
50 Years and older
Enrollment
850 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
42
States / cities
North Hollywood, California • Northridge, California • Paramount, California + 38 more
Source: ClinicalTrials.gov public record
Updated Jul 18, 2025 · Synced Oct 10, 2026, 1:32 PM 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 16, 2022 · Synced Oct 10, 2026, 1:32 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study Evaluating the Safety, Tolerability and Immunogenicity of 13vPnC as a 2-Dose Regimen or With 23vPS

NCT00574548
View directory record Official record
Conditions
Pneumococcal Vaccines
Interventions
13 valent Pneumococcal Conjugate Vaccine, 23-valent Pneumococcal Polysaccharide Vaccine
Biological
Lead sponsor
Wyeth is now a wholly owned subsidiary of Pfizer
Industry
Eligibility
60 Years to 64 Years
Enrollment
720 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2010
U.S. locations
6
States / cities
Chandler, Arizona • Pembroke Pines, Florida • Boise, Idaho + 3 more
Source: ClinicalTrials.gov public record
Updated Jul 22, 2011 · Synced Oct 10, 2026, 1:32 PM EDT
Completed Phase 3 Interventional Results available

Safety Study to Evaluate Immune Response of Vaccines in Participants With Relapsing Forms of Multiple Sclerosis Who Receive Ozanimod Compared to Non-Pegylated Interferon (IFN)-β or No Disease Modifying Therapy

NCT05028634
View directory record Official record
Conditions
Multiple Sclerosis, Multiple Sclerosis, Relapsing-Remitting
Interventions
Tetanus, diphtheria, and acellular pertussis vaccine, Pneumococcal polysaccharide vaccine, Seasonal influenza vaccine
Biological
Lead sponsor
Celgene
Industry
Eligibility
18 Years to 65 Years
Enrollment
63 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
29
States / cities
Palo Alto, California • Colorado Springs, Colorado • Southington, Connecticut + 26 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2025 · Synced Oct 10, 2026, 1:32 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

9-valent CRM 197 Pneumococcal

NCT00133549
View directory record Official record
Conditions
Pneumococcal Infection
Interventions
Placebo, PNU-IMUNE®23, Nine-valent pneumococcal conjugate (PNCRM9)
Drug · Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
65 Years and older
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2002
U.S. locations
2
States / cities
Rochester, New York • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 17, 2014 · Synced Oct 10, 2026, 1:32 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

A Study to Evaluate the Safety, Tolerability, Immunogenicity, and Lot Consistency of V116 in Adults 18 to 49 Years of Age (V116-004, STRIDE-4)

NCT05464420
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
V116, PPSV23
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years to 49 Years
Enrollment
2,162 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
30
States / cities
Mesa, Arizona • Tempe, Arizona • Little Rock, Arkansas + 27 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2024 · Synced Oct 10, 2026, 1:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Pneumococcal Conjugate Vaccine With Pneumococcal Polysaccharide Vaccine and Tetanus/Diphtheria Vaccine

NCT00164411
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
Tetanus-diphtheria toxoids (Td), 7-valent pneumococcal conjugate vaccine, 23-valent polysaccharide vaccine
Biological
Lead sponsor
Centers for Disease Control and Prevention
Federal
Eligibility
50 Years to 64 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2004 – 2005
U.S. locations
1
States / cities
Atlanta, Georgia
Source: ClinicalTrials.gov public record
Updated Mar 14, 2012 · Synced Oct 10, 2026, 1:32 PM EDT
Completed Phase 1Phase 2 Interventional

Pneumococcal Adult-dose Ranging Immunization Study

NCT00169234
View directory record Official record
Conditions
Pneumonia
Interventions
PCV7, Prevnar®, Pneumovax 23
Biological
Lead sponsor
Kaiser Permanente
Other
Eligibility
70 Years to 79 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
2
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Oct 13, 2017 · Synced Oct 10, 2026, 1:32 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Immune Response to Pneumococcal Vaccination in Aging HIV Positive Adults

NCT03039491
View directory record Official record
Conditions
HIV Lipodystrophy, Aging
Interventions
Pneumococcal polysaccharide vaccine 23 valent, 13 valent conjugated pneumococcal vaccine
Biological
Lead sponsor
Medical University of South Carolina
Other
Eligibility
21 Years to 65 Years
Enrollment
160 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Charleston, South Carolina
Source: ClinicalTrials.gov public record
Updated Jun 16, 2020 · Synced Oct 10, 2026, 1:32 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Trial to Evaluate the Safety and Immunogenicity of a 20-Valent Pneumococcal Vaccine in Adults 65 Years of Age or Older With Prior Pneumococcal Vaccination

NCT03835975
View directory record Official record
Conditions
Pneumococcal Disease
Interventions
13vPnC, PPSV23, 20vPnC
Biological
Lead sponsor
Pfizer
Industry
Eligibility
65 Years and older
Enrollment
875 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
34
States / cities
Mobile, Alabama • Chandler, Arizona • Peoria, Arizona + 26 more
Source: ClinicalTrials.gov public record
Updated Feb 21, 2021 · Synced Oct 10, 2026, 1:32 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Study Evaluating 13 Valent Pneumococcal Conjugate Vaccine With Trivalent Inactivated Influenza Vaccine

NCT00521586
View directory record Official record
Conditions
Influenza
Interventions
13 valent pneumococcal conjugate vaccine
Biological
Lead sponsor
Pfizer
Industry
Eligibility
50 Years to 59 Years
Enrollment
1,116 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2013
U.S. locations
41
States / cities
Chandler, Arizona • Rolling Hills Estates, California • Aurora, Colorado + 29 more
Source: ClinicalTrials.gov public record
Updated Apr 9, 2015 · Synced Oct 10, 2026, 1:32 PM EDT
Completed Not applicable Interventional

Pneumococcal Vaccine and Routine Pediatric Immunizations in HIV-Infected Children Receiving Anti-HIV Drugs

NCT00013871
View directory record Official record
Conditions
HIV Infections, Hepatitis B, Measles, Pneumococcal Infections, Pertussis
Interventions
Diphtheria & Tetanus Toxoids & Acellular Pertussis Vaccine Adsorbed, Measles-Mumps-Rubella Vaccine (Live), Pneumococcal Vaccine, Polyvalent (23-valent), Pneumococcal Conjugate Vaccine, Heptavalent, Hepatitis B Vaccine (Recombinant)
Biological
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
2 Years to 18 Years
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2004
U.S. locations
38
States / cities
Birmingham, Alabama • Long Beach, California • Los Angeles, California + 26 more
Source: ClinicalTrials.gov public record
Updated Nov 1, 2021 · Synced Oct 10, 2026, 1:32 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 7, 2015 · Synced Oct 10, 2026, 1:32 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

A Trial To Evaluate A Multivalent Pneumococcal Conjugate Vaccine In Healthy Adults 50-85 Years Of Age

NCT03313050
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
Multivalent, Tdap, polysaccharide
Biological
Lead sponsor
Pfizer
Industry
Eligibility
50 Years to 85 Years
Enrollment
511 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
18
States / cities
Birmingham, Alabama • Cerritos, California • Savannah, Georgia + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2020 · Synced Oct 10, 2026, 1:32 PM EDT
Active, not recruiting Phase 2 Interventional Results available

Lenalidomide and Vaccine Therapy in Treating Patients With Early-Stage Asymptomatic Chronic Lymphocytic Leukemia or Small Lymphocytic Lymphoma

NCT01351896
View directory record Official record
Conditions
Ann Arbor Stage I Small Lymphocytic Lymphoma, Ann Arbor Stage II Small Lymphocytic Lymphoma, Chronic Lymphocytic Leukemia, Chronic Lymphocytic Leukemia With Unmutated Immunoglobulin Heavy Chain Variable-Region Gene, Small Lymphocytic Lymphoma, Small Lymphocytic Lymphoma With Unmutated Immunoglobulin Heavy Chain Variable-Region Gene, Stage 0 Chronic Lymphocytic Leukemia, Stage I Chronic Lymphocytic Leukemia, Stage II Chronic Lymphocytic Leukemia
Interventions
Biospecimen Collection, Bone Marrow Aspiration, Bone Marrow Biopsy, Computed Tomography, Lenalidomide, Pneumococcal Polyvalent Vaccine
Procedure · Drug · Biological
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
18 Years to 79 Years
Enrollment
49 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2027
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated May 27, 2026 · Synced Oct 10, 2026, 1:32 PM EDT
Completed Phase 3 Interventional Results available

A Study to Evaluate the Safety, Tolerability, and Immunogenicity of V114 Followed by PNEUMOVAX™23 in Adults Infected With Human Immunodeficiency Virus (HIV) (V114-018)

NCT03480802
View directory record Official record
Conditions
Pneumococcal Infections
Interventions
V114, Prevnar 13™, PNEUMOVAX™23
Biological
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
18 Years and older
Enrollment
302 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
4
States / cities
Orlando, Florida • West Palm Beach, Florida • Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 5, 2022 · Synced Oct 10, 2026, 1:32 PM EDT
Completed Phase 4 Interventional Results available

A Study of the Effects of RoActemra/Actemra on Vaccination in Patients With Rheumatoid Arthritis on Background Methotrexate (VISARA)

NCT01163747
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
tocilizumab, methotrexate, 23-Valent Pneumococcal Polysaccharide Vaccine, Tetanus Toxoid Adsorbed Vaccine
Biological · Drug
Lead sponsor
Genentech, Inc.
Industry
Eligibility
18 Years to 64 Years
Enrollment
91 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
47
States / cities
Anniston, Alabama • Birmingham, Alabama • Huntsville, Alabama + 42 more
Source: ClinicalTrials.gov public record
Updated Dec 7, 2012 · Synced Oct 10, 2026, 1:32 PM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Immune Response to Pneumococcal Polysaccharide Vaccine (23-valent) Predicts Asthma Status and Outcomes in Late Adolescents With Asthma

NCT02719379
View directory record Official record
Conditions
Asthma
Interventions
Pneumonococcal Polysaccharide Vaccine 23-valent (PPSV-23)
Biological
Lead sponsor
Rohit Divekar
Other
Eligibility
19 Years to 20 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Oct 11, 2017 · Synced Oct 10, 2026, 1:32 PM 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 24, 2015 · Synced Oct 10, 2026, 1:32 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

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

NCT03691610
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, Meningococcal Polysaccharide (serogroups A,C,Y and W-135) Diphtheria Toxoid Conjugate Vaccine, Diphtheria and Tetanus Toxoids and Acellular Pertussis, inactivated Poliovirus and Haemophilus b Conjugate Vaccine, Diphtheria and Tetanus Toxoids and Acellular Pertussis, Hepatitis B and Inactivated Poliovirus Vaccine, Haemophilus b Conjugate Vaccine, Pneumococcal 13-valent Conjugate Vaccine, Rotavirus Vaccine, Live, Oral, Pentavalent, Hepatitis B Vaccine, Measles, Mumps, and Rubella Virus Vaccine Live, Varicella Virus Vaccine Live
Biological
Lead sponsor
Sanofi Pasteur, a Sanofi Company
Industry
Eligibility
6 Months to 19 Months
Enrollment
950 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
45
States / cities
Birmingham, Alabama • Dothan, Alabama • Phoenix, Arizona + 37 more
Source: ClinicalTrials.gov public record
Updated Jun 25, 2024 · Synced Oct 10, 2026, 1:32 PM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Genomics and Epigenomics of the Elderly Response to Pneumococcal Vaccines

NCT03104075
View directory record Official record
Conditions
Pneumonia, Aging
Interventions
Pneumococcal 13valent Conj Vaccine Diphtheria CRM197 Protein, Pneumococcal Vaccine Polyvalent
Biological
Lead sponsor
The Jackson Laboratory
Other
Eligibility
60 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Farmington, Connecticut
Source: ClinicalTrials.gov public record
Updated Aug 22, 2025 · Synced Oct 10, 2026, 1:32 PM EDT
Completed Not applicable Interventional Results available

Immune Responses to Pneumococcal Vaccination Among HIV-infected Subjects

NCT00706550
View directory record Official record
Conditions
HIV Infections
Interventions
(PV) 23-valent pneumococcal polysaccharide vaccine, Placebo
Biological
Lead sponsor
US Department of Veterans Affairs
Federal
Eligibility
18 Years and older
Enrollment
107 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2012
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Apr 24, 2014 · Synced Oct 10, 2026, 1:32 PM EDT